mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-27 00:07:58 +01:00
d60aed79e4
* Added basic autocomplete style dropdown (not working properly yet) * Autocomplete basically working but rough around the edges * Changed to Lists and added CloseKey * Fixed test, made autocomplete equal length * Added scrolling through autocomplete list * Made Accept autocomplete do delete and replace instead of append to support caps changes * Changed Autocomplete ColorScheme to cyan * Fixed autocomplete render location when TextView is scrolled * Fixed scrolling and overspill rendering * Added wordwrap option to SyntaxHighlighting Scenario * Moved Autocomplete to be member property of TextView * Made Suggestions a readonly collection and enabled Autocomplete in Editor Scenario * Added ClipOrPad tests * Fixed bad merge * Delayed init of ColorScheme on Autocomplete until needed * Changed ColorScheme to match Menu bar
2595 lines
105 KiB
C#
2595 lines
105 KiB
C#
using NStack;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO;
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using System.Linq;
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using Terminal.Gui;
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using Xunit;
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// Alias Console to MockConsole so we don't accidentally use Console
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using Console = Terminal.Gui.FakeConsole;
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namespace Terminal.Gui.Core {
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public class TextFormatterTests {
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[Fact]
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public void Basic_Usage ()
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{
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var testText = ustring.Make ("test");
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var expectedSize = new Size ();
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var testBounds = new Rect (0, 0, 100, 1);
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var tf = new TextFormatter ();
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tf.Text = testText;
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expectedSize = new Size (testText.Length, 1);
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Assert.Equal (testText, tf.Text);
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Assert.Equal (TextAlignment.Left, tf.Alignment);
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Assert.Equal (expectedSize, tf.Size);
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tf.Draw (testBounds, new Attribute (), new Attribute ());
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Assert.Equal (expectedSize, tf.Size);
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Assert.NotEmpty (tf.Lines);
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tf.Alignment = TextAlignment.Right;
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expectedSize = new Size (testText.Length, 1);
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Assert.Equal (testText, tf.Text);
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Assert.Equal (TextAlignment.Right, tf.Alignment);
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Assert.Equal (expectedSize, tf.Size);
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tf.Draw (testBounds, new Attribute (), new Attribute ());
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Assert.Equal (expectedSize, tf.Size);
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Assert.NotEmpty (tf.Lines);
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tf.Alignment = TextAlignment.Right;
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expectedSize = new Size (testText.Length * 2, 1);
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tf.Size = expectedSize;
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Assert.Equal (testText, tf.Text);
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Assert.Equal (TextAlignment.Right, tf.Alignment);
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Assert.Equal (expectedSize, tf.Size);
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tf.Draw (testBounds, new Attribute (), new Attribute ());
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Assert.Equal (expectedSize, tf.Size);
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Assert.NotEmpty (tf.Lines);
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tf.Alignment = TextAlignment.Centered;
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expectedSize = new Size (testText.Length * 2, 1);
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tf.Size = expectedSize;
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Assert.Equal (testText, tf.Text);
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Assert.Equal (TextAlignment.Centered, tf.Alignment);
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Assert.Equal (expectedSize, tf.Size);
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tf.Draw (testBounds, new Attribute (), new Attribute ());
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Assert.Equal (expectedSize, tf.Size);
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Assert.NotEmpty (tf.Lines);
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}
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[Fact]
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public void NeedsFormat_Sets ()
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{
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var testText = ustring.Make ("test");
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var testBounds = new Rect (0, 0, 100, 1);
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var tf = new TextFormatter ();
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tf.Text = "test";
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Assert.True (tf.NeedsFormat); // get_Lines causes a Format
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Assert.NotEmpty (tf.Lines);
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Assert.False (tf.NeedsFormat); // get_Lines causes a Format
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Assert.Equal (testText, tf.Text);
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tf.Draw (testBounds, new Attribute (), new Attribute ());
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Assert.False (tf.NeedsFormat);
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tf.Size = new Size (1, 1);
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Assert.True (tf.NeedsFormat);
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Assert.NotEmpty (tf.Lines);
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Assert.False (tf.NeedsFormat); // get_Lines causes a Format
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tf.Alignment = TextAlignment.Centered;
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Assert.True (tf.NeedsFormat);
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Assert.NotEmpty (tf.Lines);
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Assert.False (tf.NeedsFormat); // get_Lines causes a Format
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}
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[Fact]
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public void FindHotKey_Invalid_ReturnsFalse ()
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{
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var text = ustring.Empty;
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Rune hotKeySpecifier = '_';
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bool supportFirstUpperCase = false;
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int hotPos = 0;
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Key hotKey = Key.Unknown;
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bool result = false;
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text = null;
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "no hotkey";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "No hotkey, Upper Case";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "Non-english: Сохранить";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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}
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[Fact]
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public void FindHotKey_AlphaUpperCase_Succeeds ()
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{
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var text = ustring.Empty;
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Rune hotKeySpecifier = '_';
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bool supportFirstUpperCase = false;
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int hotPos = 0;
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Key hotKey = Key.Unknown;
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bool result = false;
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text = "_K Before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (0, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "a_K Second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (1, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "Last _K";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (5, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "After K_";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "Multiple _K and _R";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (9, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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// Cryllic K (К)
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text = "Non-english: _Кдать";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (13, hotPos);
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Assert.Equal ((Key)'К', hotKey);
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// Turn on FirstUpperCase and verify same results
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supportFirstUpperCase = true;
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text = "_K Before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (0, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "a_K Second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (1, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "Last _K";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (5, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "After K_";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "Multiple _K and _R";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (9, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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// Cryllic K (К)
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text = "Non-english: _Кдать";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (13, hotPos);
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Assert.Equal ((Key)'К', hotKey);
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}
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[Fact]
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public void FindHotKey_AlphaLowerCase_Succeeds ()
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{
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var text = ustring.Empty;
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Rune hotKeySpecifier = '_';
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bool supportFirstUpperCase = false;
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int hotPos = 0;
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Key hotKey = Key.Unknown;
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bool result = false;
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// lower case should return uppercase Hotkey
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text = "_k Before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (0, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "a_k Second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (1, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "Last _k";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (5, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "After k_";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "Multiple _k and _R";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (9, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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// Lower case Cryllic K (к)
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text = "Non-english: _кдать";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (13, hotPos);
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Assert.Equal ((Key)'К', hotKey);
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// Turn on FirstUpperCase and verify same results
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supportFirstUpperCase = true;
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text = "_k Before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (0, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "a_k Second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (1, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "Last _k";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (5, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "After k_";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "Multiple _k and _R";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (9, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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// Lower case Cryllic K (к)
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text = "Non-english: _кдать";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (13, hotPos);
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Assert.Equal ((Key)'К', hotKey);
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}
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[Fact]
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public void FindHotKey_Numeric_Succeeds ()
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{
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var text = ustring.Empty;
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Rune hotKeySpecifier = '_';
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bool supportFirstUpperCase = false;
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int hotPos = 0;
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Key hotKey = Key.Unknown;
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bool result = false;
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// Digits
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text = "_1 Before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (0, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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text = "a_1 Second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (1, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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text = "Last _1";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (5, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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text = "After 1_";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "Multiple _1 and _2";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (9, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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// Turn on FirstUpperCase and verify same results
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supportFirstUpperCase = true;
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text = "_1 Before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (0, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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text = "a_1 Second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (1, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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text = "Last _1";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (5, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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text = "After 1_";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "Multiple _1 and _2";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (9, hotPos);
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Assert.Equal ((Key)'1', hotKey);
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}
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[Fact]
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public void FindHotKey_Legacy_FirstUpperCase_Succeeds ()
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{
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bool supportFirstUpperCase = true;
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var text = ustring.Empty;
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Rune hotKeySpecifier = (Rune)0;
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int hotPos = 0;
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Key hotKey = Key.Unknown;
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bool result = false;
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text = "K Before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (0, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "aK Second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (1, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "last K";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (5, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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text = "multiple K and R";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (9, hotPos);
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Assert.Equal ((Key)'K', hotKey);
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|
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// Cryllic K (К)
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text = "non-english: Кдать";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.True (result);
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Assert.Equal (13, hotPos);
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Assert.Equal ((Key)'К', hotKey);
|
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}
|
||
|
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[Fact]
|
||
public void FindHotKey_Legacy_FirstUpperCase_NotFound_Returns_False ()
|
||
{
|
||
bool supportFirstUpperCase = true;
|
||
|
||
var text = ustring.Empty;
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||
Rune hotKeySpecifier = (Rune)0;
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int hotPos = 0;
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Key hotKey = Key.Unknown;
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bool result = false;
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|
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text = "k before";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "ak second";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "last k";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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text = "multiple k and r";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
|
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text = "12345";
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result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
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Assert.False (result);
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Assert.Equal (-1, hotPos);
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Assert.Equal (Key.Unknown, hotKey);
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||
|
||
// punctuation
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||
text = "`~!@#$%^&*()-_=+[{]}\\|;:'\",<.>/?";
|
||
result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
|
||
Assert.False (result);
|
||
Assert.Equal (-1, hotPos);
|
||
Assert.Equal (Key.Unknown, hotKey);
|
||
|
||
// ~IsLetterOrDigit + Unicode
|
||
text = " ~ s gui.cs master ↑10";
|
||
result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
|
||
Assert.False (result);
|
||
Assert.Equal (-1, hotPos);
|
||
Assert.Equal (Key.Unknown, hotKey);
|
||
|
||
// Lower case Cryllic K (к)
|
||
text = "non-english: кдать";
|
||
result = TextFormatter.FindHotKey (text, hotKeySpecifier, supportFirstUpperCase, out hotPos, out hotKey);
|
||
Assert.False (result);
|
||
Assert.Equal (-1, hotPos);
|
||
Assert.Equal (Key.Unknown, hotKey);
|
||
}
|
||
|
||
static ustring testHotKeyAtStart = "_K Before";
|
||
static ustring testHotKeyAtSecondPos = "a_K Second";
|
||
static ustring testHotKeyAtLastPos = "Last _K";
|
||
static ustring testHotKeyAfterLastChar = "After K_";
|
||
static ustring testMultiHotKeys = "Multiple _K and _R";
|
||
static ustring testNonEnglish = "Non-english: _Кдать";
|
||
|
||
[Fact]
|
||
public void RemoveHotKeySpecifier_InValid_ReturnsOriginal ()
|
||
{
|
||
Rune hotKeySpecifier = '_';
|
||
|
||
Assert.Null (TextFormatter.RemoveHotKeySpecifier (null, 0, hotKeySpecifier));
|
||
Assert.Equal ("", TextFormatter.RemoveHotKeySpecifier ("", 0, hotKeySpecifier));
|
||
Assert.Equal ("", TextFormatter.RemoveHotKeySpecifier ("", -1, hotKeySpecifier));
|
||
Assert.Equal ("", TextFormatter.RemoveHotKeySpecifier ("", 100, hotKeySpecifier));
|
||
|
||
Assert.Equal ("a", TextFormatter.RemoveHotKeySpecifier ("a", -1, hotKeySpecifier));
|
||
Assert.Equal ("a", TextFormatter.RemoveHotKeySpecifier ("a", 100, hotKeySpecifier));
|
||
}
|
||
|
||
[Fact]
|
||
public void RemoveHotKeySpecifier_Valid_ReturnsStripped ()
|
||
{
|
||
Rune hotKeySpecifier = '_';
|
||
|
||
Assert.Equal ("K Before", TextFormatter.RemoveHotKeySpecifier ("_K Before", 0, hotKeySpecifier));
|
||
Assert.Equal ("aK Second", TextFormatter.RemoveHotKeySpecifier ("a_K Second", 1, hotKeySpecifier));
|
||
Assert.Equal ("Last K", TextFormatter.RemoveHotKeySpecifier ("Last _K", 5, hotKeySpecifier));
|
||
Assert.Equal ("After K", TextFormatter.RemoveHotKeySpecifier ("After K_", 7, hotKeySpecifier));
|
||
Assert.Equal ("Multiple K and _R", TextFormatter.RemoveHotKeySpecifier ("Multiple _K and _R", 9, hotKeySpecifier));
|
||
Assert.Equal ("Non-english: Кдать", TextFormatter.RemoveHotKeySpecifier ("Non-english: _Кдать", 13, hotKeySpecifier));
|
||
}
|
||
|
||
[Fact]
|
||
public void RemoveHotKeySpecifier_Valid_Legacy_ReturnsOriginal ()
|
||
{
|
||
Rune hotKeySpecifier = '_';
|
||
|
||
Assert.Equal ("all lower case", TextFormatter.RemoveHotKeySpecifier ("all lower case", 0, hotKeySpecifier));
|
||
Assert.Equal ("K Before", TextFormatter.RemoveHotKeySpecifier ("K Before", 0, hotKeySpecifier));
|
||
Assert.Equal ("aK Second", TextFormatter.RemoveHotKeySpecifier ("aK Second", 1, hotKeySpecifier));
|
||
Assert.Equal ("Last K", TextFormatter.RemoveHotKeySpecifier ("Last K", 5, hotKeySpecifier));
|
||
Assert.Equal ("After K", TextFormatter.RemoveHotKeySpecifier ("After K", 7, hotKeySpecifier));
|
||
Assert.Equal ("Multiple K and R", TextFormatter.RemoveHotKeySpecifier ("Multiple K and R", 9, hotKeySpecifier));
|
||
Assert.Equal ("Non-english: Кдать", TextFormatter.RemoveHotKeySpecifier ("Non-english: Кдать", 13, hotKeySpecifier));
|
||
}
|
||
|
||
[Fact]
|
||
public void CalcRect_Invalid_Returns_Empty ()
|
||
{
|
||
Assert.Equal (Rect.Empty, TextFormatter.CalcRect (0, 0, null));
|
||
Assert.Equal (Rect.Empty, TextFormatter.CalcRect (0, 0, ""));
|
||
Assert.Equal (new Rect (new Point (1, 2), Size.Empty), TextFormatter.CalcRect (1, 2, ""));
|
||
Assert.Equal (new Rect (new Point (-1, -2), Size.Empty), TextFormatter.CalcRect (-1, -2, ""));
|
||
}
|
||
|
||
[Fact]
|
||
public void CalcRect_SingleLine_Returns_1High ()
|
||
{
|
||
var text = ustring.Empty;
|
||
|
||
text = "test";
|
||
Assert.Equal (new Rect (0, 0, text.RuneCount, 1), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = " ~ s gui.cs master ↑10";
|
||
Assert.Equal (new Rect (0, 0, text.RuneCount, 1), TextFormatter.CalcRect (0, 0, text));
|
||
}
|
||
|
||
[Fact]
|
||
public void CalcRect_MultiLine_Returns_nHigh ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var lines = 0;
|
||
|
||
text = "line1\nline2";
|
||
lines = 2;
|
||
Assert.Equal (new Rect (0, 0, 5, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = "\nline2";
|
||
lines = 2;
|
||
Assert.Equal (new Rect (0, 0, 5, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = "\n\n";
|
||
lines = 3;
|
||
Assert.Equal (new Rect (0, 0, 0, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = "\n\n\n";
|
||
lines = 4;
|
||
Assert.Equal (new Rect (0, 0, 0, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
lines = 3;
|
||
Assert.Equal (new Rect (0, 0, 10, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = "line1\nline2\n\n";
|
||
lines = 4;
|
||
Assert.Equal (new Rect (0, 0, 5, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = "line1\r\nline2";
|
||
lines = 2;
|
||
Assert.Equal (new Rect (0, 0, 5, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = " ~ s gui.cs master ↑10\n";
|
||
lines = 2;
|
||
Assert.Equal (new Rect (0, 0, text.RuneCount - 1, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = "\n ~ s gui.cs master ↑10";
|
||
lines = 2;
|
||
Assert.Equal (new Rect (0, 0, text.RuneCount - 1, lines), TextFormatter.CalcRect (0, 0, text));
|
||
|
||
text = " ~ s gui.cs master\n↑10";
|
||
lines = 2;
|
||
Assert.Equal (new Rect (0, 0, ustring.Make (" ~ s gui.cs master\n").RuneCount - 1, lines), TextFormatter.CalcRect (0, 0, text));
|
||
}
|
||
|
||
[Fact]
|
||
public void ClipAndJustify_Invalid_Returns_Original ()
|
||
{
|
||
var text = ustring.Empty;
|
||
|
||
Assert.Equal (text, TextFormatter.ClipAndJustify (text, 0, TextAlignment.Left));
|
||
|
||
text = null;
|
||
Assert.Equal (text, TextFormatter.ClipAndJustify (text, 0, TextAlignment.Left));
|
||
|
||
text = "test";
|
||
Assert.Throws<ArgumentOutOfRangeException> (() => TextFormatter.ClipAndJustify (text, -1, TextAlignment.Left));
|
||
}
|
||
|
||
[Fact]
|
||
public void ClipAndJustify_Valid_Left ()
|
||
{
|
||
var align = TextAlignment.Left;
|
||
|
||
var text = ustring.Empty;
|
||
var justifiedText = ustring.Empty;
|
||
int maxWidth = 0;
|
||
int expectedClippedWidth = 0;
|
||
|
||
text = "test";
|
||
maxWidth = 0;
|
||
Assert.Equal (ustring.Empty, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = 2;
|
||
Assert.Equal (text.ToRunes () [0..maxWidth], justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = int.MaxValue;
|
||
Assert.Equal (text, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
Assert.True (justifiedText.RuneCount <= maxWidth);
|
||
|
||
text = "A sentence has words.";
|
||
// should fit
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Unicode
|
||
text = " ~ s gui.cs master ↑10";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// should fit
|
||
text = "Ð ÑÐ";
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
}
|
||
|
||
[Fact]
|
||
public void ClipAndJustify_Valid_Right ()
|
||
{
|
||
var align = TextAlignment.Right;
|
||
|
||
var text = ustring.Empty;
|
||
var justifiedText = ustring.Empty;
|
||
int maxWidth = 0;
|
||
int expectedClippedWidth = 0;
|
||
|
||
text = "test";
|
||
maxWidth = 0;
|
||
Assert.Equal (ustring.Empty, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = 2;
|
||
Assert.Equal (text.ToRunes () [0..maxWidth], justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = int.MaxValue;
|
||
Assert.Equal (text, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
Assert.True (justifiedText.RuneCount <= maxWidth);
|
||
|
||
text = "A sentence has words.";
|
||
// should fit
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Unicode
|
||
text = " ~ s gui.cs master ↑10";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// should fit
|
||
text = "Ð ÑÐ";
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
}
|
||
|
||
[Fact]
|
||
public void ClipAndJustify_Valid_Centered ()
|
||
{
|
||
var align = TextAlignment.Centered;
|
||
|
||
var text = ustring.Empty;
|
||
var justifiedText = ustring.Empty;
|
||
int maxWidth = 0;
|
||
int expectedClippedWidth = 0;
|
||
|
||
text = "test";
|
||
maxWidth = 0;
|
||
Assert.Equal (ustring.Empty, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = 2;
|
||
Assert.Equal (text.ToRunes () [0..maxWidth], justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = int.MaxValue;
|
||
Assert.Equal (text, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
Assert.True (justifiedText.RuneCount <= maxWidth);
|
||
|
||
text = "A sentence has words.";
|
||
// should fit
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Unicode
|
||
text = " ~ s gui.cs master ↑10";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// should fit
|
||
text = "Ð ÑÐ";
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
}
|
||
|
||
|
||
[Fact]
|
||
public void ClipAndJustify_Valid_Justified ()
|
||
{
|
||
var align = TextAlignment.Justified;
|
||
|
||
var text = ustring.Empty;
|
||
var justifiedText = ustring.Empty;
|
||
int maxWidth = 0;
|
||
int expectedClippedWidth = 0;
|
||
|
||
text = "test";
|
||
maxWidth = 0;
|
||
Assert.Equal (ustring.Empty, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = 2;
|
||
Assert.Equal (text.ToRunes () [0..maxWidth], justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
|
||
text = "test";
|
||
maxWidth = int.MaxValue;
|
||
Assert.Equal (text, justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align));
|
||
Assert.True (justifiedText.RuneCount <= maxWidth);
|
||
|
||
text = "A sentence has words.";
|
||
// should fit
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
//Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
//Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = 500;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
//Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
//Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
//Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
//Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
//Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "A\tsentence\thas\twords.";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = int.MaxValue;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
text = "line1\nline2\nline3long!";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Unicode
|
||
text = " ~ s gui.cs master ↑10";
|
||
maxWidth = 10;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// should fit
|
||
text = "Ð ÑÐ";
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
//Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
//Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should fit.
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// Should not fit
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
justifiedText = TextFormatter.ClipAndJustify (text, maxWidth, align);
|
||
Assert.Equal (expectedClippedWidth, justifiedText.RuneCount);
|
||
Assert.True (expectedClippedWidth <= maxWidth);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), justifiedText);
|
||
|
||
// see Justify_ tests below
|
||
|
||
}
|
||
|
||
[Fact]
|
||
public void Justify_Invalid ()
|
||
{
|
||
var text = ustring.Empty;
|
||
Assert.Equal (text, TextFormatter.Justify (text, 0));
|
||
|
||
text = null;
|
||
Assert.Equal (text, TextFormatter.Justify (text, 0));
|
||
|
||
text = "test";
|
||
Assert.Throws<ArgumentOutOfRangeException> (() => TextFormatter.Justify (text, -1));
|
||
}
|
||
|
||
[Fact]
|
||
public void Justify_SingleWord ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var justifiedText = ustring.Empty;
|
||
int width = 0;
|
||
char fillChar = '+';
|
||
|
||
// Even # of chars
|
||
text = "word";
|
||
justifiedText = text;
|
||
|
||
width = text.RuneCount;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 10;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 11;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
|
||
// Odd # of chars
|
||
text = "word.";
|
||
justifiedText = text;
|
||
|
||
width = text.RuneCount;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 10;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 11;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
|
||
|
||
// Unicode (even #)
|
||
text = "пÑивеÑ";
|
||
justifiedText = text;
|
||
|
||
width = text.RuneCount;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 10;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 11;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
|
||
// Unicode (odd # of chars)
|
||
text = "пÑивеÑ.";
|
||
justifiedText = text;
|
||
|
||
width = text.RuneCount;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 10;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
width = text.RuneCount + 11;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, width, fillChar).ToString ());
|
||
}
|
||
|
||
|
||
[Fact]
|
||
public void Justify_Sentence ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var justifiedText = ustring.Empty;
|
||
int forceToWidth = 0;
|
||
char fillChar = '+';
|
||
|
||
// Even # of spaces
|
||
// 0123456789
|
||
text = "012 456 89";
|
||
|
||
forceToWidth = text.RuneCount;
|
||
justifiedText = text.Replace (" ", "+");
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+");
|
||
forceToWidth = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 3;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++");
|
||
forceToWidth = text.RuneCount + 4;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++");
|
||
forceToWidth = text.RuneCount + 5;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++++");
|
||
forceToWidth = text.RuneCount + 6;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++++++++++");
|
||
forceToWidth = text.RuneCount + 20;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++++++++++++");
|
||
forceToWidth = text.RuneCount + 23;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
// Odd # of spaces
|
||
// 0123456789
|
||
text = "012 456 89 end";
|
||
|
||
forceToWidth = text.RuneCount;
|
||
justifiedText = text.Replace (" ", "+");
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+");
|
||
forceToWidth = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+");
|
||
forceToWidth = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 3;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 4;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 5;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++");
|
||
forceToWidth = text.RuneCount + 6;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++++++");
|
||
forceToWidth = text.RuneCount + 20;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++++++++");
|
||
forceToWidth = text.RuneCount + 23;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
// Unicode
|
||
// Even # of chars
|
||
// 0123456789
|
||
text = "пÑРвРÑ";
|
||
|
||
forceToWidth = text.RuneCount;
|
||
justifiedText = text.Replace (" ", "+");
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+");
|
||
forceToWidth = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 3;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++");
|
||
forceToWidth = text.RuneCount + 4;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++");
|
||
forceToWidth = text.RuneCount + 5;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++++");
|
||
forceToWidth = text.RuneCount + 6;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++++++++++");
|
||
forceToWidth = text.RuneCount + 20;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++++++++++++");
|
||
forceToWidth = text.RuneCount + 23;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
// Unicode
|
||
// Odd # of chars
|
||
// 0123456789
|
||
text = "Ð ÑРвРÑ";
|
||
|
||
forceToWidth = text.RuneCount;
|
||
justifiedText = text.Replace (" ", "+");
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+");
|
||
forceToWidth = text.RuneCount + 1;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+");
|
||
forceToWidth = text.RuneCount + 2;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 3;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 4;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++");
|
||
forceToWidth = text.RuneCount + 5;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++");
|
||
forceToWidth = text.RuneCount + 6;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "+++++++");
|
||
forceToWidth = text.RuneCount + 20;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
|
||
justifiedText = text.Replace (" ", "++++++++");
|
||
forceToWidth = text.RuneCount + 23;
|
||
Assert.Equal (justifiedText.ToString (), TextFormatter.Justify (text, forceToWidth, fillChar).ToString ());
|
||
Assert.True (Math.Abs (forceToWidth - justifiedText.RuneCount) < text.Count (" "));
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_Invalid ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int width = 0;
|
||
|
||
Assert.Empty (TextFormatter.WordWrap (null, width));
|
||
Assert.Empty (TextFormatter.WordWrap (text, width));
|
||
Assert.Throws<ArgumentOutOfRangeException> (() => TextFormatter.WordWrap (text, -1));
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_SingleWordLine ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int width = 0;
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "Constantinople";
|
||
width = text.RuneCount;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
|
||
width = text.RuneCount - 1;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal (text [0, text.RuneCount - 1].ToString (), wrappedLines [0].ToString ());
|
||
Assert.Equal ("e", wrappedLines [1].ToString ());
|
||
|
||
width = text.RuneCount - 2;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal (text [0, text.RuneCount - 2].ToString (), wrappedLines [0].ToString ());
|
||
|
||
width = text.RuneCount - 5;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 2F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal ("Constan", wrappedLines [0].ToString ());
|
||
Assert.Equal ("tinople", wrappedLines [1].ToString ());
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 3F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (3, wrappedLines.Count);
|
||
Assert.Equal ("Const", wrappedLines [0].ToString ());
|
||
Assert.Equal ("antin", wrappedLines [1].ToString ());
|
||
Assert.Equal ("ople", wrappedLines [2].ToString ());
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 4F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (4, wrappedLines.Count);
|
||
|
||
width = (int)Math.Ceiling ((double)text.RuneCount / text.RuneCount);
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (text.RuneCount, wrappedLines.Count);
|
||
Assert.Equal ("C", wrappedLines [0].ToString ());
|
||
Assert.Equal ("o", wrappedLines [1].ToString ());
|
||
Assert.Equal ("n", wrappedLines [2].ToString ());
|
||
Assert.Equal ("s", wrappedLines [3].ToString ());
|
||
Assert.Equal ("t", wrappedLines [4].ToString ());
|
||
Assert.Equal ("a", wrappedLines [5].ToString ());
|
||
Assert.Equal ("n", wrappedLines [6].ToString ());
|
||
Assert.Equal ("t", wrappedLines [7].ToString ());
|
||
Assert.Equal ("i", wrappedLines [8].ToString ());
|
||
Assert.Equal ("n", wrappedLines [9].ToString ());
|
||
Assert.Equal ("o", wrappedLines [10].ToString ());
|
||
Assert.Equal ("p", wrappedLines [11].ToString ());
|
||
Assert.Equal ("l", wrappedLines [12].ToString ());
|
||
Assert.Equal ("e", wrappedLines [13].ToString ());
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_Unicode_SingleWordLine ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int width = 0;
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ";
|
||
width = text.RuneCount;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
|
||
width = text.RuneCount - 1;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..(text.RuneCount - 1)]).ToString (), wrappedLines [0].ToString ());
|
||
Assert.Equal ("ำ", wrappedLines [1].ToString ());
|
||
|
||
width = text.RuneCount - 2;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..(text.RuneCount - 2)]).ToString (), wrappedLines [0].ToString ());
|
||
|
||
width = text.RuneCount - 5;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 2F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal ("กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบ", wrappedLines [0].ToString ());
|
||
Assert.Equal ("ปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ", wrappedLines [1].ToString ());
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 3F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (3, wrappedLines.Count);
|
||
Assert.Equal ("กขฃคฅฆงจฉชซฌญฎฏฐฑ", wrappedLines [0].ToString ());
|
||
Assert.Equal ("ฒณดตถทธนบปผฝพฟภมย", wrappedLines [1].ToString ());
|
||
Assert.Equal ("รฤลฦวศษสหฬอฮฯะัาำ", wrappedLines [2].ToString ());
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 4F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (4, wrappedLines.Count);
|
||
|
||
width = (int)Math.Ceiling ((double)text.RuneCount / text.RuneCount);
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (text.RuneCount, wrappedLines.Count);
|
||
Assert.Equal ("ก", wrappedLines [0].ToString ());
|
||
Assert.Equal ("ข", wrappedLines [1].ToString ());
|
||
Assert.Equal ("ฃ", wrappedLines [2].ToString ());
|
||
Assert.Equal ("ำ", wrappedLines [^1].ToString ());
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_Unicode_LineWithNonBreakingSpace ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int width = 0;
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "This\u00A0is\u00A0a\u00A0sentence.";
|
||
width = text.RuneCount;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
|
||
width = text.RuneCount - 1;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..(text.RuneCount - 1)]).ToString (), wrappedLines [0].ToString ());
|
||
Assert.Equal (".", wrappedLines [1].ToString ());
|
||
|
||
width = text.RuneCount - 2;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..(text.RuneCount - 2)]).ToString (), wrappedLines [0].ToString ());
|
||
|
||
width = text.RuneCount - 5;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 2F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.Equal ("This\u00A0is\u00A0a\u00A0", wrappedLines [0].ToString ());
|
||
Assert.Equal ("sentence.", wrappedLines [1].ToString ());
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 3F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (3, wrappedLines.Count);
|
||
Assert.Equal ("This\u00A0is", wrappedLines [0].ToString ());
|
||
Assert.Equal ("\u00a0a\u00a0sent", wrappedLines [1].ToString ());
|
||
Assert.Equal ("ence.", wrappedLines [2].ToString ());
|
||
|
||
width = (int)Math.Ceiling ((double)(text.RuneCount / 4F));
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (4, wrappedLines.Count);
|
||
|
||
width = (int)Math.Ceiling ((double)text.RuneCount / text.RuneCount);
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.Equal (text.RuneCount, wrappedLines.Count);
|
||
Assert.Equal ("T", wrappedLines [0].ToString ());
|
||
Assert.Equal ("h", wrappedLines [1].ToString ());
|
||
Assert.Equal ("i", wrappedLines [2].ToString ());
|
||
Assert.Equal (".", wrappedLines [^1].ToString ());
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_Unicode_2LinesWithNonBreakingSpace ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int width = 0;
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "This\u00A0is\n\u00A0a\u00A0sentence.";
|
||
width = text.RuneCount;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
|
||
width = text.RuneCount - 1;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
#pragma warning disable xUnit2013 // Do not use equality check to check for collection size.
|
||
Assert.Equal (1, wrappedLines.Count);
|
||
#pragma warning restore xUnit2013 // Do not use equality check to check for collection size.
|
||
Assert.Equal ("This\u00A0is\u00A0a\u00A0sentence.", wrappedLines [0].ToString ());
|
||
|
||
text = "\u00A0\u00A0\u00A0\u00A0\u00A0test\u00A0sentence.";
|
||
width = text.RuneCount;
|
||
wrappedLines = TextFormatter.WordWrap (text, width);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_NoNewLines ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int maxWidth = 0;
|
||
int expectedClippedWidth = 0;
|
||
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "A sentence has words.";
|
||
maxWidth = text.RuneCount;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has words.", wrappedLines [0].ToString ());
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("words.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("words.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - " words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("words.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "s words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence", wrappedLines [0].ToString ());
|
||
Assert.Equal ("has words.", wrappedLines [1].ToString ());
|
||
|
||
// Unicode
|
||
text = "A Unicode sentence (пÑивеÑ) has words.";
|
||
maxWidth = text.RuneCount;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has words.", wrappedLines [0].ToString ());
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("words.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("words.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - " words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("words.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "s words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ)", wrappedLines [0].ToString ());
|
||
Assert.Equal ("has words.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "веÑ) has words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence", wrappedLines [0].ToString ());
|
||
Assert.Equal ("(пÑивеÑ) has words.", wrappedLines [1].ToString ());
|
||
}
|
||
|
||
/// <summary>
|
||
/// WordWrap strips CRLF
|
||
/// </summary>
|
||
[Fact]
|
||
public void WordWrap_WithNewLines ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int maxWidth = 0;
|
||
int expectedClippedWidth = 0;
|
||
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "A sentence has words.\nA paragraph has lines.";
|
||
maxWidth = text.RuneCount;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
#pragma warning disable xUnit2013 // Do not use equality check to check for collection size.
|
||
Assert.Equal (1, wrappedLines.Count);
|
||
#pragma warning restore xUnit2013 // Do not use equality check to check for collection size.
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has words.A paragraph has lines.", wrappedLines [0].ToString ());
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
#pragma warning disable xUnit2013 // Do not use equality check to check for collection size.
|
||
Assert.Equal (1, wrappedLines.Count);
|
||
#pragma warning restore xUnit2013 // Do not use equality check to check for collection size.
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has words.A paragraph has lines.", wrappedLines [0].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has words.A paragraph has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("lines.", wrappedLines [1].ToString ());
|
||
|
||
// Unicode
|
||
text = "A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт has Линии.";
|
||
maxWidth = text.RuneCount;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.True (wrappedLines.Count == 1);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт has Линии.", wrappedLines [0].ToString ());
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("Линии.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт has", wrappedLines [0].ToString ());
|
||
Assert.Equal ("Линии.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "s words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт", wrappedLines [0].ToString ());
|
||
Assert.Equal ("has Линии.", wrappedLines [1].ToString ());
|
||
|
||
maxWidth = text.RuneCount - "веÑ) has words.".Length;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
Assert.Equal (2, wrappedLines.Count);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A Unicode sentence (пÑивеÑ) has words.A Unicode", wrappedLines [0].ToString ());
|
||
Assert.Equal ("Пункт has Линии.", wrappedLines [1].ToString ());
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_Narrow ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int maxWidth = 1;
|
||
int expectedClippedWidth = 1;
|
||
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "A sentence has words.";
|
||
maxWidth = 3;
|
||
expectedClippedWidth = 3;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
//Assert.True (wrappedLines.Count == );
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A", wrappedLines [0].ToString ());
|
||
Assert.Equal ("sen", wrappedLines [1].ToString ());
|
||
Assert.Equal ("ten", wrappedLines [2].ToString ());
|
||
Assert.Equal ("ce", wrappedLines [3].ToString ());
|
||
Assert.Equal ("has", wrappedLines [4].ToString ());
|
||
Assert.Equal ("wor", wrappedLines [5].ToString ());
|
||
Assert.Equal ("ds.", wrappedLines [6].ToString ());
|
||
|
||
maxWidth = 2;
|
||
expectedClippedWidth = 2;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
//Assert.True (wrappedLines.Count == );
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A", wrappedLines [0].ToString ());
|
||
Assert.Equal ("se", wrappedLines [1].ToString ());
|
||
Assert.Equal ("nt", wrappedLines [2].ToString ());
|
||
Assert.Equal ("en", wrappedLines [3].ToString ());
|
||
Assert.Equal ("s.", wrappedLines [^1].ToString ());
|
||
|
||
maxWidth = 1;
|
||
expectedClippedWidth = 1;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth);
|
||
//Assert.True (wrappedLines.Count == );
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A", wrappedLines [0].ToString ());
|
||
Assert.Equal ("s", wrappedLines [1].ToString ());
|
||
Assert.Equal ("e", wrappedLines [2].ToString ());
|
||
Assert.Equal ("n", wrappedLines [3].ToString ());
|
||
Assert.Equal (".", wrappedLines [^1].ToString ());
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_preserveTrailingSpaces ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int maxWidth = 1;
|
||
int expectedClippedWidth = 1;
|
||
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "A sentence has words.";
|
||
maxWidth = 14;
|
||
expectedClippedWidth = 14;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence has", wrappedLines [0].ToString ());
|
||
Assert.Equal (" words.", wrappedLines [1].ToString ());
|
||
Assert.True (wrappedLines.Count == 2);
|
||
|
||
maxWidth = 3;
|
||
expectedClippedWidth = 3;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A ", wrappedLines [0].ToString ());
|
||
Assert.Equal ("sen", wrappedLines [1].ToString ());
|
||
Assert.Equal ("ten", wrappedLines [2].ToString ());
|
||
Assert.Equal ("ce ", wrappedLines [3].ToString ());
|
||
Assert.Equal ("has", wrappedLines [4].ToString ());
|
||
Assert.Equal (" ", wrappedLines [5].ToString ());
|
||
Assert.Equal ("wor", wrappedLines [6].ToString ());
|
||
Assert.Equal ("ds.", wrappedLines [^1].ToString ());
|
||
Assert.True (wrappedLines.Count == 8);
|
||
|
||
maxWidth = 2;
|
||
expectedClippedWidth = 2;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A ", wrappedLines [0].ToString ());
|
||
Assert.Equal ("se", wrappedLines [1].ToString ());
|
||
Assert.Equal ("nt", wrappedLines [2].ToString ());
|
||
Assert.Equal ("en", wrappedLines [3].ToString ());
|
||
Assert.Equal ("ce", wrappedLines [4].ToString ());
|
||
Assert.Equal (" ", wrappedLines [5].ToString ());
|
||
Assert.Equal ("ha", wrappedLines [6].ToString ());
|
||
Assert.Equal ("s ", wrappedLines [7].ToString ());
|
||
Assert.Equal ("wo", wrappedLines [8].ToString ());
|
||
Assert.Equal ("rd", wrappedLines [9].ToString ());
|
||
Assert.Equal ("s.", wrappedLines [^1].ToString ());
|
||
Assert.True (wrappedLines.Count == 11);
|
||
|
||
maxWidth = 1;
|
||
expectedClippedWidth = 1;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A", wrappedLines [0].ToString ());
|
||
Assert.Equal (" ", wrappedLines [1].ToString ());
|
||
Assert.Equal ("s", wrappedLines [2].ToString ());
|
||
Assert.Equal ("e", wrappedLines [3].ToString ());
|
||
Assert.Equal ("n", wrappedLines [4].ToString ());
|
||
Assert.Equal ("t", wrappedLines [5].ToString ());
|
||
Assert.Equal ("e", wrappedLines [6].ToString ());
|
||
Assert.Equal ("n", wrappedLines [7].ToString ());
|
||
Assert.Equal ("c", wrappedLines [8].ToString ());
|
||
Assert.Equal ("e", wrappedLines [9].ToString ());
|
||
Assert.Equal (" ", wrappedLines [10].ToString ());
|
||
Assert.Equal (".", wrappedLines [^1].ToString ());
|
||
Assert.True (wrappedLines.Count == text.Length);
|
||
}
|
||
|
||
[Fact]
|
||
public void WordWrap_preserveTrailingSpaces_With_Tab ()
|
||
{
|
||
var text = ustring.Empty;
|
||
int maxWidth = 1;
|
||
int expectedClippedWidth = 1;
|
||
|
||
List<ustring> wrappedLines;
|
||
|
||
text = "A sentence\t\t\t has words.";
|
||
var tabWidth = 4;
|
||
maxWidth = 14;
|
||
expectedClippedWidth = 11;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true, tabWidth);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A sentence\t", wrappedLines [0].ToString ());
|
||
Assert.Equal ("\t\t has ", wrappedLines [1].ToString ());
|
||
Assert.Equal ("words.", wrappedLines [2].ToString ());
|
||
Assert.True (wrappedLines.Count == 3);
|
||
|
||
maxWidth = 3;
|
||
expectedClippedWidth = 3;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true, tabWidth);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A ", wrappedLines [0].ToString ());
|
||
Assert.Equal ("sen", wrappedLines [1].ToString ());
|
||
Assert.Equal ("ten", wrappedLines [2].ToString ());
|
||
Assert.Equal ("ce", wrappedLines [3].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [4].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [5].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [6].ToString ());
|
||
Assert.Equal (" ", wrappedLines [7].ToString ());
|
||
Assert.Equal ("has", wrappedLines [8].ToString ());
|
||
Assert.Equal (" ", wrappedLines [9].ToString ());
|
||
Assert.Equal ("wor", wrappedLines [10].ToString ());
|
||
Assert.Equal ("ds.", wrappedLines [^1].ToString ());
|
||
Assert.True (wrappedLines.Count == 12);
|
||
|
||
maxWidth = 2;
|
||
expectedClippedWidth = 2;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true, tabWidth);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A ", wrappedLines [0].ToString ());
|
||
Assert.Equal ("se", wrappedLines [1].ToString ());
|
||
Assert.Equal ("nt", wrappedLines [2].ToString ());
|
||
Assert.Equal ("en", wrappedLines [3].ToString ());
|
||
Assert.Equal ("ce", wrappedLines [4].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [5].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [6].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [7].ToString ());
|
||
Assert.Equal (" ", wrappedLines [8].ToString ());
|
||
Assert.Equal ("ha", wrappedLines [9].ToString ());
|
||
Assert.Equal ("s ", wrappedLines [10].ToString ());
|
||
Assert.Equal ("wo", wrappedLines [11].ToString ());
|
||
Assert.Equal ("rd", wrappedLines [12].ToString ());
|
||
Assert.Equal ("s.", wrappedLines [^1].ToString ());
|
||
Assert.True (wrappedLines.Count == 14);
|
||
|
||
maxWidth = 1;
|
||
expectedClippedWidth = 1;
|
||
wrappedLines = TextFormatter.WordWrap (text, maxWidth, true, tabWidth);
|
||
Assert.True (expectedClippedWidth >= wrappedLines.Max (l => l.RuneCount));
|
||
Assert.Equal ("A", wrappedLines [0].ToString ());
|
||
Assert.Equal (" ", wrappedLines [1].ToString ());
|
||
Assert.Equal ("s", wrappedLines [2].ToString ());
|
||
Assert.Equal ("e", wrappedLines [3].ToString ());
|
||
Assert.Equal ("n", wrappedLines [4].ToString ());
|
||
Assert.Equal ("t", wrappedLines [5].ToString ());
|
||
Assert.Equal ("e", wrappedLines [6].ToString ());
|
||
Assert.Equal ("n", wrappedLines [7].ToString ());
|
||
Assert.Equal ("c", wrappedLines [8].ToString ());
|
||
Assert.Equal ("e", wrappedLines [9].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [10].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [11].ToString ());
|
||
Assert.Equal ("\t", wrappedLines [12].ToString ());
|
||
Assert.Equal (" ", wrappedLines [13].ToString ());
|
||
Assert.Equal (".", wrappedLines [^1].ToString ());
|
||
Assert.True (wrappedLines.Count == text.Length);
|
||
}
|
||
|
||
[Fact]
|
||
public void ReplaceHotKeyWithTag ()
|
||
{
|
||
var tf = new TextFormatter ();
|
||
ustring text = "test";
|
||
int hotPos = 0;
|
||
uint tag = tf.HotKeyTagMask | 't';
|
||
|
||
Assert.Equal (ustring.Make (new Rune [] { tag, 'e', 's', 't' }), tf.ReplaceHotKeyWithTag (text, hotPos));
|
||
|
||
tag = tf.HotKeyTagMask | 'e';
|
||
hotPos = 1;
|
||
Assert.Equal (ustring.Make (new Rune [] { 't', tag, 's', 't' }), tf.ReplaceHotKeyWithTag (text, hotPos));
|
||
|
||
var result = tf.ReplaceHotKeyWithTag (text, hotPos);
|
||
Assert.Equal ('e', (uint)(result.ToRunes () [1] & ~tf.HotKeyTagMask));
|
||
|
||
text = "Ok";
|
||
tag = 0x100000 | 'O';
|
||
hotPos = 0;
|
||
Assert.Equal (ustring.Make (new Rune [] { tag, 'k' }), result = tf.ReplaceHotKeyWithTag (text, hotPos));
|
||
Assert.Equal ('O', (uint)(result.ToRunes () [0] & ~tf.HotKeyTagMask));
|
||
|
||
text = "[◦ Ok ◦]";
|
||
text = ustring.Make (new Rune [] { '[', '◦', ' ', 'O', 'k', ' ', '◦', ']' });
|
||
var runes = text.ToRuneList ();
|
||
Assert.Equal (text.RuneCount, runes.Count);
|
||
Assert.Equal (text, ustring.Make (runes));
|
||
tag = tf.HotKeyTagMask | 'O';
|
||
hotPos = 3;
|
||
Assert.Equal (ustring.Make (new Rune [] { '[', '◦', ' ', tag, 'k', ' ', '◦', ']' }), result = tf.ReplaceHotKeyWithTag (text, hotPos));
|
||
Assert.Equal ('O', (uint)(result.ToRunes () [3] & ~tf.HotKeyTagMask));
|
||
|
||
text = "^k";
|
||
tag = '^';
|
||
hotPos = 0;
|
||
Assert.Equal (ustring.Make (new Rune [] { tag, 'k' }), result = tf.ReplaceHotKeyWithTag (text, hotPos));
|
||
Assert.Equal ('^', (uint)(result.ToRunes () [0] & ~tf.HotKeyTagMask));
|
||
}
|
||
|
||
[Fact]
|
||
public void Reformat_Invalid ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var list = new List<ustring> ();
|
||
|
||
Assert.Throws<ArgumentOutOfRangeException> (() => TextFormatter.Format (text, -1, TextAlignment.Left, false));
|
||
|
||
list = TextFormatter.Format (text, 0, TextAlignment.Left, false);
|
||
Assert.NotEmpty (list);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Empty, list [0]);
|
||
|
||
text = null;
|
||
list = TextFormatter.Format (text, 0, TextAlignment.Left, false);
|
||
Assert.NotEmpty (list);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Empty, list [0]);
|
||
|
||
list = TextFormatter.Format (text, 0, TextAlignment.Left, true);
|
||
Assert.NotEmpty (list);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Empty, list [0]);
|
||
}
|
||
|
||
[Fact]
|
||
public void Reformat_NoWordrap_SingleLine ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var list = new List<ustring> ();
|
||
var maxWidth = 0;
|
||
var expectedClippedWidth = 0;
|
||
var wrap = false;
|
||
|
||
maxWidth = 0;
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
|
||
maxWidth = 1;
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
|
||
text = "A sentence has words.";
|
||
maxWidth = 0;
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Empty, list [0]);
|
||
|
||
maxWidth = 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = 5;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
}
|
||
|
||
[Fact]
|
||
public void Reformat_NoWordrap_NewLines ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var list = new List<ustring> ();
|
||
var maxWidth = 0;
|
||
var expectedClippedWidth = 0;
|
||
var wrap = false;
|
||
|
||
text = "A sentence has words.\nLine 2.";
|
||
maxWidth = 0;
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Empty, list [0]);
|
||
|
||
maxWidth = 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = 5;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]).Replace ("\n", " "), list [0]);
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]).Replace ("\n", " "), list [0]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]).Replace ("\n", " "), list [0]);
|
||
|
||
text = "A sentence has words.\r\nLine 2.";
|
||
maxWidth = 0;
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Empty, list [0]);
|
||
|
||
maxWidth = 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = 5;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth) + 1;
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]).Replace ("\r\n", " ").ToString (), list [0].ToString ());
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]).Replace ("\r\n", " "), list [0]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]).Replace ("\r\n", " "), list [0]);
|
||
}
|
||
|
||
[Fact]
|
||
public void Reformat_Wrap_Spaces_No_NewLines ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var list = new List<ustring> ();
|
||
var maxWidth = 0;
|
||
var expectedClippedWidth = 0;
|
||
var wrap = true;
|
||
|
||
// Even # of spaces
|
||
// 0123456789
|
||
text = "012 456 89";
|
||
|
||
// See WordWrap BUGBUGs above.
|
||
//maxWidth = 0;
|
||
//list = TextFormatter.Reformat (text, maxWidth, TextAlignment.Left, wrap);
|
||
//Assert.True (list.Count == 1);
|
||
//Assert.Equal (ustring.Empty, list [0]);
|
||
|
||
//maxWidth = 1;
|
||
//expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
//// remove 3 whitespace chars
|
||
//expectedLines = text.RuneCount;
|
||
//list = TextFormatter.Reformat (text, maxWidth, TextAlignment.Left, wrap);
|
||
//Assert.Equal (expectedLines, list.Count);
|
||
//Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
////width = (int)Math.Ceiling ((double)(text.RuneCount / 2F));
|
||
|
||
//maxWidth = 5;
|
||
//expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
//expectedLines = (int)Math.Ceiling ((double)(text.RuneCount / maxWidth));
|
||
//list = TextFormatter.Reformat (text, maxWidth, TextAlignment.Left, wrap);
|
||
//Assert.Equal (expectedLines, list.Count);
|
||
//Assert.Equal (ustring.Make (text.ToRunes () [0..expectedClippedWidth]), list [0]);
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 2);
|
||
Assert.Equal ("012 456", list [0]);
|
||
Assert.Equal ("89", list [1]);
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("012 456 89", list [0]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("012 456 89", list [0]);
|
||
|
||
// Odd # of spaces
|
||
// 0123456789
|
||
text = "012 456 89 end";
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 2);
|
||
Assert.Equal ("012 456 89", list [0]);
|
||
Assert.Equal ("end", list [1]);
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("012 456 89 end", list [0]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("012 456 89 end", list [0]);
|
||
}
|
||
|
||
[Fact]
|
||
public void Reformat_Unicode_Wrap_Spaces_No_NewLines ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var list = new List<ustring> ();
|
||
var maxWidth = 0;
|
||
var expectedClippedWidth = 0;
|
||
var wrap = true;
|
||
|
||
// Unicode
|
||
// Even # of chars
|
||
// 0123456789
|
||
text = "\u2660пÑРвРÑ";
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 2);
|
||
Assert.Equal ("\u2660пÑРвÐ", list [0]);
|
||
Assert.Equal ("Ñ", list [1]);
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("\u2660пÑРвРÑ", list [0]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("\u2660пÑРвРÑ", list [0]);
|
||
|
||
// Unicode
|
||
// Odd # of chars
|
||
// 0123456789
|
||
text = "\u2660 ÑРвРÑ";
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 2);
|
||
Assert.Equal ("\u2660 ÑРвÐ", list [0]);
|
||
Assert.Equal ("Ñ", list [1]);
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("\u2660 ÑРвРÑ", list [0]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.True (list.Count == 1);
|
||
Assert.Equal ("\u2660 ÑРвРÑ", list [0]);
|
||
}
|
||
|
||
[Fact]
|
||
public void Reformat_Unicode_Wrap_Spaces_NewLines ()
|
||
{
|
||
var text = ustring.Empty;
|
||
var list = new List<ustring> ();
|
||
var maxWidth = 0;
|
||
var expectedClippedWidth = 0;
|
||
var wrap = true;
|
||
|
||
// Unicode
|
||
text = "\u2460\u2461\u2462\n\u2460\u2461\u2462\u2463\u2464";
|
||
|
||
maxWidth = text.RuneCount - 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.Equal (2, list.Count);
|
||
Assert.Equal ("\u2460\u2461\u2462", list [0]);
|
||
Assert.Equal ("\u2460\u2461\u2462\u2463\u2464", list [1]);
|
||
|
||
// no clip
|
||
maxWidth = text.RuneCount + 0;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.Equal (2, list.Count);
|
||
Assert.Equal ("\u2460\u2461\u2462", list [0]);
|
||
Assert.Equal ("\u2460\u2461\u2462\u2463\u2464", list [1]);
|
||
|
||
maxWidth = text.RuneCount + 1;
|
||
expectedClippedWidth = Math.Min (text.RuneCount, maxWidth);
|
||
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
|
||
Assert.Equal (2, list.Count);
|
||
Assert.Equal ("\u2460\u2461\u2462", list [0]);
|
||
Assert.Equal ("\u2460\u2461\u2462\u2463\u2464", list [1]);
|
||
}
|
||
|
||
[Fact]
|
||
public void System_Rune_ColumnWidth ()
|
||
{
|
||
var c = new System.Rune ('a');
|
||
Assert.Equal (1, Rune.ColumnWidth (c));
|
||
Assert.Equal (1, ustring.Make (c).ConsoleWidth);
|
||
Assert.Equal (1, ustring.Make (c).Length);
|
||
|
||
c = new System.Rune ('b');
|
||
Assert.Equal (1, Rune.ColumnWidth (c));
|
||
Assert.Equal (1, ustring.Make (c).ConsoleWidth);
|
||
Assert.Equal (1, ustring.Make (c).Length);
|
||
|
||
c = new System.Rune (123);
|
||
Assert.Equal (1, Rune.ColumnWidth (c));
|
||
Assert.Equal (1, ustring.Make (c).ConsoleWidth);
|
||
Assert.Equal (1, ustring.Make (c).Length);
|
||
|
||
c = new System.Rune ('\u1150');
|
||
Assert.Equal (2, Rune.ColumnWidth (c)); // 0x1150 ᅐ Unicode Technical Report #11
|
||
Assert.Equal (2, ustring.Make (c).ConsoleWidth);
|
||
Assert.Equal (3, ustring.Make (c).Length);
|
||
|
||
c = new System.Rune ('\u1161');
|
||
Assert.Equal (0, Rune.ColumnWidth (c)); // 0x1161 ᅡ column width of 0
|
||
Assert.Equal (0, ustring.Make (c).ConsoleWidth);
|
||
Assert.Equal (3, ustring.Make (c).Length);
|
||
|
||
c = new System.Rune (31);
|
||
Assert.Equal (-1, Rune.ColumnWidth (c)); // non printable character
|
||
Assert.Equal (-1, ustring.Make (c).ConsoleWidth);
|
||
Assert.Equal (1, ustring.Make (c).Length);
|
||
|
||
c = new System.Rune (127);
|
||
Assert.Equal (-1, Rune.ColumnWidth (c)); // non printable character
|
||
Assert.Equal (-1, ustring.Make (c).ConsoleWidth);
|
||
Assert.Equal (1, ustring.Make (c).Length);
|
||
}
|
||
|
||
[Fact]
|
||
public void System_Text_Rune ()
|
||
{
|
||
var c = new System.Text.Rune ('a');
|
||
Assert.Equal (1, c.Utf8SequenceLength);
|
||
|
||
c = new System.Text.Rune ('b');
|
||
Assert.Equal (1, c.Utf8SequenceLength);
|
||
|
||
c = new System.Text.Rune (123);
|
||
Assert.Equal (1, c.Utf8SequenceLength);
|
||
|
||
c = new System.Text.Rune ('\u1150');
|
||
Assert.Equal (3, c.Utf8SequenceLength); // 0x1150 ᅐ Unicode Technical Report #11
|
||
|
||
c = new System.Text.Rune ('\u1161');
|
||
Assert.Equal (3, c.Utf8SequenceLength); // 0x1161 ᅡ column width of 0
|
||
|
||
c = new System.Text.Rune (31);
|
||
Assert.Equal (1, c.Utf8SequenceLength); // non printable character
|
||
|
||
c = new System.Text.Rune (127);
|
||
Assert.Equal (1, c.Utf8SequenceLength); // non printable character
|
||
}
|
||
|
||
[Fact]
|
||
public void Format_WordWrap_preserveTrailingSpaces ()
|
||
{
|
||
ustring text = " A sentence has words. \n This is the second Line - 2. ";
|
||
|
||
// With preserveTrailingSpaces = false by default.
|
||
var list1 = TextFormatter.Format (text, 4, TextAlignment.Left, true);
|
||
ustring wrappedText1 = ustring.Empty;
|
||
Assert.Equal (" A", list1 [0].ToString ());
|
||
Assert.Equal ("sent", list1 [1].ToString ());
|
||
Assert.Equal ("ence", list1 [2].ToString ());
|
||
Assert.Equal ("has", list1 [3].ToString ());
|
||
Assert.Equal ("word", list1 [4].ToString ());
|
||
Assert.Equal ("s. ", list1 [5].ToString ());
|
||
Assert.Equal (" Thi", list1 [6].ToString ());
|
||
Assert.Equal ("s is", list1 [7].ToString ());
|
||
Assert.Equal ("the", list1 [8].ToString ());
|
||
Assert.Equal ("seco", list1 [9].ToString ());
|
||
Assert.Equal ("nd", list1 [10].ToString ());
|
||
Assert.Equal ("Line", list1 [11].ToString ());
|
||
Assert.Equal ("- 2.", list1 [^1].ToString ());
|
||
foreach (var txt in list1) {
|
||
wrappedText1 += txt;
|
||
}
|
||
Assert.Equal (" Asentencehaswords. This isthesecondLine- 2.", wrappedText1);
|
||
|
||
// With preserveTrailingSpaces = true.
|
||
var list2 = TextFormatter.Format (text, 4, TextAlignment.Left, true, true);
|
||
ustring wrappedText2 = ustring.Empty;
|
||
Assert.Equal (" A ", list2 [0].ToString ());
|
||
Assert.Equal ("sent", list2 [1].ToString ());
|
||
Assert.Equal ("ence", list2 [2].ToString ());
|
||
Assert.Equal (" has", list2 [3].ToString ());
|
||
Assert.Equal (" ", list2 [4].ToString ());
|
||
Assert.Equal ("word", list2 [5].ToString ());
|
||
Assert.Equal ("s. ", list2 [6].ToString ());
|
||
Assert.Equal (" ", list2 [7].ToString ());
|
||
Assert.Equal ("This", list2 [8].ToString ());
|
||
Assert.Equal (" is ", list2 [9].ToString ());
|
||
Assert.Equal ("the ", list2 [10].ToString ());
|
||
Assert.Equal ("seco", list2 [11].ToString ());
|
||
Assert.Equal ("nd ", list2 [12].ToString ());
|
||
Assert.Equal ("Line", list2 [13].ToString ());
|
||
Assert.Equal (" - ", list2 [14].ToString ());
|
||
Assert.Equal ("2. ", list2 [^1].ToString ());
|
||
foreach (var txt in list2) {
|
||
wrappedText2 += txt;
|
||
}
|
||
Assert.Equal (" A sentence has words. This is the second Line - 2. ", wrappedText2);
|
||
}
|
||
|
||
[Fact]
|
||
public void Format_Throw_ArgumentException_With_WordWrap_As_False_And_Keep_End_Spaces_As_True ()
|
||
{
|
||
Assert.Throws<ArgumentException> (() => TextFormatter.Format ("Some text", 4, TextAlignment.Left, false, true));
|
||
}
|
||
|
||
[Fact]
|
||
public void Draw_Horizontal_Throws_IndexOutOfRangeException_With_Negative_Bounds ()
|
||
{
|
||
Application.Init (new FakeDriver (), new FakeMainLoop (() => FakeConsole.ReadKey (true)));
|
||
|
||
var top = Application.Top;
|
||
|
||
var view = new View ("view") { X = -2 };
|
||
top.Add (view);
|
||
|
||
Application.Iteration += () => {
|
||
Assert.Equal (-2, view.X);
|
||
|
||
Application.RequestStop ();
|
||
};
|
||
|
||
try {
|
||
Application.Run ();
|
||
} catch (IndexOutOfRangeException ex) {
|
||
// After the fix this exception will not be caught.
|
||
Assert.IsType<IndexOutOfRangeException> (ex);
|
||
}
|
||
|
||
// Shutdown must be called to safely clean up Application if Init has been called
|
||
Application.Shutdown ();
|
||
}
|
||
|
||
[Fact]
|
||
public void TestClipOrPad_ShortWord()
|
||
{
|
||
// word is short but we want it to fill 6 so it should be padded
|
||
Assert.Equal ("fff ", TextFormatter.ClipOrPad ("fff", 6));
|
||
}
|
||
|
||
[Fact]
|
||
public void TestClipOrPad_LongWord ()
|
||
{
|
||
// word is long but we want it to fill 3 space only
|
||
Assert.Equal ("123", TextFormatter.ClipOrPad ("123456789", 3));
|
||
}
|
||
[Fact]
|
||
public void Draw_Vertical_Throws_IndexOutOfRangeException_With_Negative_Bounds ()
|
||
{
|
||
Application.Init (new FakeDriver (), new FakeMainLoop (() => FakeConsole.ReadKey (true)));
|
||
|
||
var top = Application.Top;
|
||
|
||
var view = new View ("view") {
|
||
Y = -2,
|
||
Height = 10,
|
||
TextDirection = TextDirection.TopBottom_LeftRight
|
||
};
|
||
top.Add (view);
|
||
|
||
Application.Iteration += () => {
|
||
Assert.Equal (-2, view.Y);
|
||
|
||
Application.RequestStop ();
|
||
};
|
||
|
||
try {
|
||
Application.Run ();
|
||
} catch (IndexOutOfRangeException ex) {
|
||
// After the fix this exception will not be caught.
|
||
Assert.IsType<IndexOutOfRangeException> (ex);
|
||
}
|
||
|
||
// Shutdown must be called to safely clean up Application if Init has been called
|
||
Application.Shutdown ();
|
||
}
|
||
|
||
[Fact]
|
||
public void Internal_Tests ()
|
||
{
|
||
var tf = new TextFormatter ();
|
||
Assert.Equal (Key.Null, tf.HotKey);
|
||
tf.HotKey = Key.CtrlMask | Key.Q;
|
||
Assert.Equal (Key.CtrlMask | Key.Q, tf.HotKey);
|
||
|
||
}
|
||
}
|
||
} |