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Terminal.Gui/UnitTests/Text/TextFormatterTests.cs

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using System.Text;
using Xunit.Abstractions;
using static Terminal.Gui.SpinnerStyle;
// Alias Console to MockConsole so we don't accidentally use Console
namespace Terminal.Gui.TextTests;
public class TextFormatterTests
{
private readonly ITestOutputHelper _output;
public TextFormatterTests (ITestOutputHelper output) { _output = output; }
public static IEnumerable<object []> CMGlyphs =>
new List<object []> { new object [] { $"{CM.Glyphs.LeftBracket} Say Hello 你 {CM.Glyphs.RightBracket}", 16, 15 } };
public static IEnumerable<object []> FormatEnvironmentNewLine =>
new List<object []>
{
new object []
{
$"Line1{Environment.NewLine}Line2{Environment.NewLine}Line3{Environment.NewLine}",
60,
new [] { "Line1", "Line2", "Line3" }
}
};
public static IEnumerable<object []> SplitEnvironmentNewLine =>
new List<object []>
{
new object []
{
$"First Line 界{Environment.NewLine}Second Line 界{Environment.NewLine}Third Line 界",
new [] { "First Line 界", "Second Line 界", "Third Line 界" }
},
new object []
{
$"First Line 界{Environment.NewLine}Second Line 界{Environment.NewLine}Third Line 界{Environment.NewLine}",
new [] { "First Line 界", "Second Line 界", "Third Line 界", "" }
}
};
[Fact]
public void Basic_Usage ()
{
var testText = "test";
var testBounds = new Rectangle (0, 0, 100, 1);
var tf = new TextFormatter ();
tf.Text = testText;
Size expectedSize = new (testText.Length, 1);
Assert.Equal (testText, tf.Text);
Assert.Equal (TextAlignment.Left, tf.Alignment);
Assert.Equal (expectedSize, tf.Size);
tf.Draw (testBounds, new Attribute (), new Attribute ());
Assert.Equal (expectedSize, tf.Size);
Assert.NotEmpty (tf.GetLines ());
tf.Alignment = TextAlignment.Right;
expectedSize = new (testText.Length, 1);
Assert.Equal (testText, tf.Text);
Assert.Equal (TextAlignment.Right, tf.Alignment);
Assert.Equal (expectedSize, tf.Size);
tf.Draw (testBounds, new Attribute (), new Attribute ());
Assert.Equal (expectedSize, tf.Size);
Assert.NotEmpty (tf.GetLines ());
tf.Alignment = TextAlignment.Right;
expectedSize = new (testText.Length * 2, 1);
tf.Size = expectedSize;
Assert.Equal (testText, tf.Text);
Assert.Equal (TextAlignment.Right, tf.Alignment);
Assert.Equal (expectedSize, tf.Size);
tf.Draw (testBounds, new Attribute (), new Attribute ());
Assert.Equal (expectedSize, tf.Size);
Assert.NotEmpty (tf.GetLines ());
tf.Alignment = TextAlignment.Centered;
expectedSize = new (testText.Length * 2, 1);
tf.Size = expectedSize;
Assert.Equal (testText, tf.Text);
Assert.Equal (TextAlignment.Centered, tf.Alignment);
Assert.Equal (expectedSize, tf.Size);
tf.Draw (testBounds, new Attribute (), new Attribute ());
Assert.Equal (expectedSize, tf.Size);
Assert.NotEmpty (tf.GetLines ());
}
[Theory]
[InlineData (null)]
[InlineData ("")]
public void CalcRect_Invalid_Returns_Empty (string text)
{
Assert.Equal (Rectangle.Empty, TextFormatter.CalcRect (0, 0, text));
Assert.Equal (new (new (1, 2), Size.Empty), TextFormatter.CalcRect (1, 2, text));
Assert.Equal (new (new (-1, -2), Size.Empty), TextFormatter.CalcRect (-1, -2, text));
}
[Theory]
[InlineData ("line1\nline2", 5, 2)]
[InlineData ("\nline2", 5, 2)]
[InlineData ("\n\n", 0, 3)]
[InlineData ("\n\n\n", 0, 4)]
[InlineData ("line1\nline2\nline3long!", 10, 3)]
[InlineData ("line1\nline2\n\n", 5, 4)]
[InlineData ("line1\r\nline2", 5, 2)]
[InlineData (" ~  s  gui.cs   master ↑10\n", 31, 2)]
[InlineData ("\n ~  s  gui.cs   master ↑10", 31, 2)]
[InlineData (" ~  s  gui.cs   master\n↑10", 27, 2)]
public void CalcRect_MultiLine_Returns_nHigh (string text, int expectedWidth, int expectedLines)
{
Assert.Equal (new (0, 0, expectedWidth, expectedLines), TextFormatter.CalcRect (0, 0, text));
string [] lines = text.Split (text.Contains (Environment.NewLine) ? Environment.NewLine : "\n");
int maxWidth = lines.Max (s => s.GetColumns ());
var lineWider = 0;
for (var i = 0; i < lines.Length; i++)
{
int w = lines [i].GetColumns ();
if (w == maxWidth)
{
lineWider = i;
}
}
Assert.Equal (new (0, 0, maxWidth, expectedLines), TextFormatter.CalcRect (0, 0, text));
Assert.Equal (
new (
0,
0,
lines [lineWider].ToRuneList ().Sum (r => Math.Max (r.GetColumns (), 0)),
expectedLines
),
TextFormatter.CalcRect (0, 0, text)
);
}
[Theory]
[InlineData ("test")]
[InlineData (" ~  s  gui.cs   master ↑10")]
public void CalcRect_SingleLine_Returns_1High (string text)
{
Assert.Equal (new (0, 0, text.GetRuneCount (), 1), TextFormatter.CalcRect (0, 0, text));
Assert.Equal (new (0, 0, text.GetColumns (), 1), TextFormatter.CalcRect (0, 0, text));
}
[Theory]
[InlineData (14, 1, TextDirection.LeftRight_TopBottom)]
[InlineData (1, 14, TextDirection.TopBottom_LeftRight)]
public void CalcRect_With_Combining_Runes (int width, int height, TextDirection textDirection)
{
var text = "Les Mise\u0328\u0301rables";
Assert.Equal (new (0, 0, width, height), TextFormatter.CalcRect (0, 0, text, textDirection));
}
[Theory]
[InlineData ("")]
[InlineData (null)]
[InlineData ("test")]
public void ClipAndJustify_Invalid_Returns_Original (string text)
{
string expected = string.IsNullOrEmpty (text) ? text : "";
Assert.Equal (expected, TextFormatter.ClipAndJustify (text, 0, TextAlignment.Left));
Assert.Equal (expected, TextFormatter.ClipAndJustify (text, 0, TextAlignment.Left));
Assert.Throws<ArgumentOutOfRangeException> (
() =>
TextFormatter.ClipAndJustify (text, -1, TextAlignment.Left)
);
}
[Theory]
[InlineData ("test", "", 0)]
[InlineData ("test", "te", 2)]
[InlineData ("test", "test", int.MaxValue)]
[InlineData ("A sentence has words.", "A sentence has words.", 22)] // should fit
[InlineData ("A sentence has words.", "A sentence has words.", 21)] // should fit
[InlineData ("A sentence has words.", "A sentence has words.", int.MaxValue)] // should fit
[InlineData ("A sentence has words.", "A sentence has words", 20)] // Should not fit
[InlineData ("A sentence has words.", "A sentence", 10)] // Should not fit
[InlineData ("A\tsentence\thas\twords.", "A sentence has words.", int.MaxValue)]
[InlineData ("A\tsentence\thas\twords.", "A sentence", 10)]
[InlineData ("line1\nline2\nline3long!", "line1\nline2\nline3long!", int.MaxValue)]
[InlineData ("line1\nline2\nline3long!", "line1\nline", 10)]
[InlineData (" ~  s  gui.cs   master ↑10", " ~  s  ", 10)] // Unicode
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 5)] // should fit
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 4)] // should fit
[InlineData ("Ð ÑÐ", "Ð Ñ", 3)] // Should not fit
public void ClipAndJustify_Valid_Centered (string text, string justifiedText, int maxWidth)
{
var align = TextAlignment.Centered;
var textDirection = TextDirection.LeftRight_TopBottom;
var tabWidth = 1;
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
int expectedClippedWidth = Math.Min (justifiedText.GetRuneCount (), maxWidth);
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
Assert.True (justifiedText.GetRuneCount () <= maxWidth);
Assert.True (justifiedText.GetColumns () <= maxWidth);
Assert.Equal (expectedClippedWidth, justifiedText.GetRuneCount ());
Assert.Equal (
expectedClippedWidth,
justifiedText.ToRuneList ().Sum (r => Math.Max (r.GetColumns (), 1))
);
Assert.True (expectedClippedWidth <= maxWidth);
Assert.Equal (
StringExtensions.ToString (justifiedText.ToRunes () [..expectedClippedWidth]),
justifiedText
);
}
[Theory]
[InlineData ("test", "", 0)]
[InlineData ("test", "te", 2)]
[InlineData ("test", "test", int.MaxValue)] // This doesn't throw because it only create a word with length 1
[InlineData ("A sentence has words.", "A sentence has words.", 22)] // should fit
[InlineData ("A sentence has words.", "A sentence has words.", 21)] // should fit
[InlineData (
"A sentence has words.",
"A sentence has words.",
500
)] // should fit
[InlineData ("A sentence has words.", "A sentence has words", 20)] // Should not fit
[InlineData ("A sentence has words.", "A sentence", 10)] // Should not fit
// Now throw System.OutOfMemoryException. See https://stackoverflow.com/questions/20672920/maxcapacity-of-stringbuilder
//[InlineData ("A\tsentence\thas\twords.", "A sentence has words.", int.MaxValue)]
[InlineData ("A\tsentence\thas\twords.", "A sentence", 10)]
[InlineData (
"line1\nline2\nline3long!",
"line1\nline2\nline3long!",
int.MaxValue
)] // This doesn't throw because it only create a line with length 1
[InlineData ("line1\nline2\nline3long!", "line1\nline", 10)]
[InlineData (" ~  s  gui.cs   master ↑10", " ~  s  ", 10)] // Unicode
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 5)] // should fit
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 4)] // should fit
[InlineData ("Ð ÑÐ", "Ð Ñ", 3)] // Should not fit
public void ClipAndJustify_Valid_Justified (string text, string justifiedText, int maxWidth)
{
var align = TextAlignment.Justified;
var textDirection = TextDirection.LeftRight_TopBottom;
var tabWidth = 1;
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
int expectedClippedWidth = Math.Min (justifiedText.GetRuneCount (), maxWidth);
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
Assert.True (justifiedText.GetRuneCount () <= maxWidth);
Assert.True (justifiedText.GetColumns () <= maxWidth);
Assert.Equal (expectedClippedWidth, justifiedText.GetRuneCount ());
Assert.Equal (
expectedClippedWidth,
justifiedText.ToRuneList ().Sum (r => Math.Max (r.GetColumns (), 1))
);
Assert.True (expectedClippedWidth <= maxWidth);
Assert.Equal (
StringExtensions.ToString (justifiedText.ToRunes () [..expectedClippedWidth]),
justifiedText
);
// see Justify_ tests below
}
[Theory]
[InlineData ("test", "", 0)]
[InlineData ("test", "te", 2)]
[InlineData ("test", "test", int.MaxValue)]
[InlineData ("A sentence has words.", "A sentence has words.", 22)] // should fit
[InlineData ("A sentence has words.", "A sentence has words.", 21)] // should fit
[InlineData ("A sentence has words.", "A sentence has words.", int.MaxValue)] // should fit
[InlineData ("A sentence has words.", "A sentence has words", 20)] // Should not fit
[InlineData ("A sentence has words.", "A sentence", 10)] // Should not fit
[InlineData ("A\tsentence\thas\twords.", "A sentence has words.", int.MaxValue)]
[InlineData ("A\tsentence\thas\twords.", "A sentence", 10)]
[InlineData ("line1\nline2\nline3long!", "line1\nline2\nline3long!", int.MaxValue)]
[InlineData ("line1\nline2\nline3long!", "line1\nline", 10)]
[InlineData (" ~  s  gui.cs   master ↑10", " ~  s  ", 10)] // Unicode
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 5)] // should fit
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 4)] // should fit
[InlineData ("Ð ÑÐ", "Ð Ñ", 3)] // Should not fit
public void ClipAndJustify_Valid_Left (string text, string justifiedText, int maxWidth)
{
var align = TextAlignment.Left;
var textDirection = TextDirection.LeftRight_BottomTop;
var tabWidth = 1;
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
int expectedClippedWidth = Math.Min (justifiedText.GetRuneCount (), maxWidth);
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
Assert.True (justifiedText.GetRuneCount () <= maxWidth);
Assert.True (justifiedText.GetColumns () <= maxWidth);
Assert.Equal (expectedClippedWidth, justifiedText.GetRuneCount ());
Assert.Equal (
expectedClippedWidth,
justifiedText.ToRuneList ().Sum (r => Math.Max (r.GetColumns (), 1))
);
Assert.True (expectedClippedWidth <= maxWidth);
Assert.Equal (
StringExtensions.ToString (justifiedText.ToRunes () [..expectedClippedWidth]),
justifiedText
);
}
[Theory]
[InlineData ("test", "", 0)]
[InlineData ("test", "te", 2)]
[InlineData ("test", "test", int.MaxValue)]
[InlineData ("A sentence has words.", "A sentence has words.", 22)] // should fit
[InlineData ("A sentence has words.", "A sentence has words.", 21)] // should fit
[InlineData ("A sentence has words.", "A sentence has words.", int.MaxValue)] // should fit
[InlineData ("A sentence has words.", "A sentence has words", 20)] // Should not fit
[InlineData ("A sentence has words.", "A sentence", 10)] // Should not fit
[InlineData ("A\tsentence\thas\twords.", "A sentence has words.", int.MaxValue)]
[InlineData ("A\tsentence\thas\twords.", "A sentence", 10)]
[InlineData ("line1\nline2\nline3long!", "line1\nline2\nline3long!", int.MaxValue)]
[InlineData ("line1\nline2\nline3long!", "line1\nline", 10)]
[InlineData (" ~  s  gui.cs   master ↑10", " ~  s  ", 10)] // Unicode
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 5)] // should fit
[InlineData ("Ð ÑÐ", "Ð ÑÐ", 4)] // should fit
[InlineData ("Ð ÑÐ", "Ð Ñ", 3)] // Should not fit
public void ClipAndJustify_Valid_Right (string text, string justifiedText, int maxWidth)
{
var align = TextAlignment.Right;
var textDirection = TextDirection.LeftRight_BottomTop;
var tabWidth = 1;
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
int expectedClippedWidth = Math.Min (justifiedText.GetRuneCount (), maxWidth);
Assert.Equal (
justifiedText,
TextFormatter.ClipAndJustify (text, maxWidth, align, textDirection, tabWidth)
);
Assert.True (justifiedText.GetRuneCount () <= maxWidth);
Assert.True (justifiedText.GetColumns () <= maxWidth);
Assert.Equal (expectedClippedWidth, justifiedText.GetRuneCount ());
Assert.Equal (
expectedClippedWidth,
justifiedText.ToRuneList ().Sum (r => Math.Max (r.GetColumns (), 1))
);
Assert.True (expectedClippedWidth <= maxWidth);
Assert.Equal (
StringExtensions.ToString (justifiedText.ToRunes () [..expectedClippedWidth]),
justifiedText
);
}
[Theory]
[InlineData (14, 1, TextDirection.LeftRight_TopBottom, "Les Misęrables")]
[InlineData (1, 14, TextDirection.TopBottom_LeftRight, "L\ne\ns\n \nM\ni\ns\nę\nr\na\nb\nl\ne\ns")]
[InlineData (
4,
4,
TextDirection.TopBottom_LeftRight,
@"
LMre
eias
ssb
ęl "
)]
public void Draw_With_Combining_Runes (int width, int height, TextDirection textDirection, string expected)
{
var driver = new FakeDriver ();
driver.Init ();
var text = "Les Mise\u0328\u0301rables";
var tf = new TextFormatter ();
tf.Direction = textDirection;
tf.Text = text;
Assert.True (tf.WordWrap);
if (textDirection == TextDirection.LeftRight_TopBottom)
{
Assert.Equal (new (width, height), tf.Size);
}
else
{
Assert.Equal (new (1, text.GetColumns ()), tf.Size);
tf.Size = new (width, height);
}
tf.Draw (
new (0, 0, width, height),
new Attribute (ColorName.White, ColorName.Black),
new Attribute (ColorName.Blue, ColorName.Black),
default (Rectangle),
driver
);
TestHelpers.AssertDriverContentsWithFrameAre (expected, _output, driver);
driver.End ();
}
[Fact]
[SetupFakeDriver]
public void FillRemaining_True_False ()
{
((FakeDriver)Application.Driver).SetBufferSize (22, 5);
Attribute [] attrs =
{
Attribute.Default, new Attribute (ColorName.Green, ColorName.BrightMagenta),
new Attribute (ColorName.Blue, ColorName.Cyan)
};
var tf = new TextFormatter { Size = new (14, 3), Text = "Test\nTest long\nTest long long\n", MultiLine = true };
tf.Draw (
new (1, 1, 19, 3),
attrs [1],
attrs [2]);
Assert.False (tf.FillRemaining);
TestHelpers.AssertDriverContentsWithFrameAre (
@"
Test
Test long
Test long long",
_output);
TestHelpers.AssertDriverAttributesAre (
@"
000000000000000000000
011110000000000000000
011111111100000000000
011111111111111000000
000000000000000000000",
null,
attrs);
tf.FillRemaining = true;
tf.Draw (
new (1, 1, 19, 3),
attrs [1],
attrs [2]);
TestHelpers.AssertDriverAttributesAre (
@"
000000000000000000000
011111111111111111110
011111111111111111110
011111111111111111110
000000000000000000000",
null,
attrs);
}
[Theory]
[InlineData ("_k Before", true, 0, (KeyCode)'K')] // lower case should return uppercase Hotkey
[InlineData ("a_k Second", true, 1, (KeyCode)'K')]
[InlineData ("Last _k", true, 5, (KeyCode)'K')]
[InlineData ("After k_", false, -1, KeyCode.Null)]
[InlineData ("Multiple _k and _R", true, 9, (KeyCode)'K')]
[InlineData ("Non-english: _кдать", true, 13, (KeyCode)'к')] // Lower case Cryllic K (к)
[InlineData ("_k Before", true, 0, (KeyCode)'K', true)] // Turn on FirstUpperCase and verify same results
[InlineData ("a_k Second", true, 1, (KeyCode)'K', true)]
[InlineData ("Last _k", true, 5, (KeyCode)'K', true)]
[InlineData ("After k_", false, -1, KeyCode.Null, true)]
[InlineData ("Multiple _k and _r", true, 9, (KeyCode)'K', true)]
[InlineData ("Non-english: _кдать", true, 13, (KeyCode)'к', true)] // Cryllic K (К)
public void FindHotKey_AlphaLowerCase_Succeeds (
string text,
bool expectedResult,
int expectedHotPos,
KeyCode expectedKey,
bool supportFirstUpperCase = false
)
{
var hotKeySpecifier = (Rune)'_';
bool result = TextFormatter.FindHotKey (
text,
hotKeySpecifier,
out int hotPos,
out Key hotKey,
supportFirstUpperCase
);
if (expectedResult)
{
Assert.True (result);
}
else
{
Assert.False (result);
}
Assert.Equal (expectedResult, result);
Assert.Equal (expectedHotPos, hotPos);
Assert.Equal (expectedKey, hotKey);
}
[Theory]
[InlineData ("_K Before", true, 0, (KeyCode)'K')]
[InlineData ("a_K Second", true, 1, (KeyCode)'K')]
[InlineData ("Last _K", true, 5, (KeyCode)'K')]
[InlineData ("After K_", false, -1, KeyCode.Null)]
[InlineData ("Multiple _K and _R", true, 9, (KeyCode)'K')]
[InlineData ("Non-english: _Кдать", true, 13, (KeyCode)'К')] // Cryllic K (К)
[InlineData ("_K Before", true, 0, (KeyCode)'K', true)] // Turn on FirstUpperCase and verify same results
[InlineData ("a_K Second", true, 1, (KeyCode)'K', true)]
[InlineData ("Last _K", true, 5, (KeyCode)'K', true)]
[InlineData ("After K_", false, -1, KeyCode.Null, true)]
[InlineData ("Multiple _K and _R", true, 9, (KeyCode)'K', true)]
[InlineData ("Non-english: _Кдать", true, 13, (KeyCode)'К', true)] // Cryllic K (К)
public void FindHotKey_AlphaUpperCase_Succeeds (
string text,
bool expectedResult,
int expectedHotPos,
KeyCode expectedKey,
bool supportFirstUpperCase = false
)
{
var hotKeySpecifier = (Rune)'_';
bool result = TextFormatter.FindHotKey (
text,
hotKeySpecifier,
out int hotPos,
out Key hotKey,
supportFirstUpperCase
);
if (expectedResult)
{
Assert.True (result);
}
else
{
Assert.False (result);
}
Assert.Equal (expectedResult, result);
Assert.Equal (expectedHotPos, hotPos);
Assert.Equal (expectedKey, hotKey);
}
[Theory]
[InlineData (null)]
[InlineData ("")]
[InlineData ("no hotkey")]
[InlineData ("No hotkey, Upper Case")]
[InlineData ("Non-english: Сохранить")]
public void FindHotKey_Invalid_ReturnsFalse (string text)
{
var hotKeySpecifier = (Rune)'_';
var supportFirstUpperCase = false;
var hotPos = 0;
Key hotKey = KeyCode.Null;
var result = false;
result = TextFormatter.FindHotKey (
text,
hotKeySpecifier,
out hotPos,
out hotKey,
supportFirstUpperCase
);
Assert.False (result);
Assert.Equal (-1, hotPos);
Assert.Equal (KeyCode.Null, hotKey);
}
[Theory]
[InlineData ("\"k before")]
[InlineData ("ak second")]
[InlineData ("last k")]
[InlineData ("multiple k and r")]
[InlineData ("12345")]
[InlineData ("`~!@#$%^&*()-_=+[{]}\\|;:'\",<.>/?")] // punctuation
[InlineData (" ~  s  gui.cs   master ↑10")] // ~IsLetterOrDigit + Unicode
[InlineData ("non-english: кдать")] // Lower case Cryllic K (к)
public void FindHotKey_Legacy_FirstUpperCase_NotFound_Returns_False (string text)
{
var supportFirstUpperCase = true;
var hotKeySpecifier = (Rune)0;
bool result = TextFormatter.FindHotKey (
text,
hotKeySpecifier,
out int hotPos,
out Key hotKey,
supportFirstUpperCase
);
Assert.False (result);
Assert.Equal (-1, hotPos);
Assert.Equal (KeyCode.Null, hotKey);
}
[Theory]
[InlineData ("K Before", true, 0, (KeyCode)'K')]
[InlineData ("aK Second", true, 1, (KeyCode)'K')]
[InlineData ("last K", true, 5, (KeyCode)'K')]
[InlineData ("multiple K and R", true, 9, (KeyCode)'K')]
[InlineData ("non-english: Кдать", true, 13, (KeyCode)'К')] // Cryllic K (К)
public void FindHotKey_Legacy_FirstUpperCase_Succeeds (
string text,
bool expectedResult,
int expectedHotPos,
KeyCode expectedKey
)
{
var supportFirstUpperCase = true;
var hotKeySpecifier = (Rune)0;
bool result = TextFormatter.FindHotKey (
text,
hotKeySpecifier,
out int hotPos,
out Key hotKey,
supportFirstUpperCase
);
if (expectedResult)
{
Assert.True (result);
}
else
{
Assert.False (result);
}
Assert.Equal (expectedResult, result);
Assert.Equal (expectedHotPos, hotPos);
Assert.Equal (expectedKey, hotKey);
}
[Theory]
[InlineData ("_1 Before", true, 0, (KeyCode)'1')] // Digits
[InlineData ("a_1 Second", true, 1, (KeyCode)'1')]
[InlineData ("Last _1", true, 5, (KeyCode)'1')]
[InlineData ("After 1_", false, -1, KeyCode.Null)]
[InlineData ("Multiple _1 and _2", true, 9, (KeyCode)'1')]
[InlineData ("_1 Before", true, 0, (KeyCode)'1', true)] // Turn on FirstUpperCase and verify same results
[InlineData ("a_1 Second", true, 1, (KeyCode)'1', true)]
[InlineData ("Last _1", true, 5, (KeyCode)'1', true)]
[InlineData ("After 1_", false, -1, KeyCode.Null, true)]
[InlineData ("Multiple _1 and _2", true, 9, (KeyCode)'1', true)]
public void FindHotKey_Numeric_Succeeds (
string text,
bool expectedResult,
int expectedHotPos,
KeyCode expectedKey,
bool supportFirstUpperCase = false
)
{
var hotKeySpecifier = (Rune)'_';
bool result = TextFormatter.FindHotKey (
text,
hotKeySpecifier,
out int hotPos,
out Key hotKey,
supportFirstUpperCase
);
if (expectedResult)
{
Assert.True (result);
}
else
{
Assert.False (result);
}
Assert.Equal (expectedResult, result);
Assert.Equal (expectedHotPos, hotPos);
Assert.Equal (expectedKey, hotKey);
}
[Theory]
[InlineData ("_\"k before", true, (KeyCode)'"')] // BUGBUG: Not sure why this fails. " is a normal char
[InlineData ("\"_k before", true, KeyCode.K)]
[InlineData ("_`~!@#$%^&*()-_=+[{]}\\|;:'\",<.>/?", true, (KeyCode)'`')]
[InlineData ("`_~!@#$%^&*()-_=+[{]}\\|;:'\",<.>/?", true, (KeyCode)'~')]
[InlineData (
"`~!@#$%^&*()-__=+[{]}\\|;:'\",<.>/?",
true,
(KeyCode)'='
)] // BUGBUG: Not sure why this fails. Ignore the first and consider the second
[InlineData ("_ ~  s  gui.cs   master ↑10", true, (KeyCode)'')] // ~IsLetterOrDigit + Unicode
[InlineData (" ~  s  gui.cs  _ master ↑10", true, (KeyCode)'')] // ~IsLetterOrDigit + Unicode
[InlineData ("non-english: _кдать", true, (KeyCode)'к')] // Lower case Cryllic K (к)
public void FindHotKey_Symbols_Returns_Symbol (string text, bool found, KeyCode expected)
{
var hotKeySpecifier = (Rune)'_';
bool result = TextFormatter.FindHotKey (text, hotKeySpecifier, out int _, out Key hotKey);
Assert.Equal (found, result);
Assert.Equal (expected, hotKey);
}
[Fact]
public void Format_Dont_Throw_ArgumentException_With_WordWrap_As_False_And_Keep_End_Spaces_As_True ()
{
Exception exception = Record.Exception (
() =>
TextFormatter.Format (
"Some text",
4,
TextAlignment.Left,
false,
true
)
);
Assert.Null (exception);
}
[Theory]
[InlineData (
"Hello world, how are you today? Pretty neat!",
44,
80,
"Hello world, how are you today? Pretty neat!"
)]
public void Format_Justified_Always_Returns_Text_Width_Equal_To_Passed_Width_Horizontal (
string text,
int runeCount,
int maxWidth,
string justifiedText
)
{
Assert.Equal (runeCount, text.GetRuneCount ());
var fmtText = string.Empty;
for (int i = text.GetRuneCount (); i < maxWidth; i++)
{
fmtText = TextFormatter.Format (text, i, TextAlignment.Justified, false, true) [0];
Assert.Equal (i, fmtText.GetRuneCount ());
char c = fmtText [^1];
Assert.True (text.EndsWith (c));
}
Assert.Equal (justifiedText, fmtText);
}
[Theory]
[InlineData (
"Hello world, how are you today? Pretty neat!",
44,
80,
"Hello world, how are you today? Pretty neat!"
)]
public void Format_Justified_Always_Returns_Text_Width_Equal_To_Passed_Width_Vertical (
string text,
int runeCount,
int maxWidth,
string justifiedText
)
{
Assert.Equal (runeCount, text.GetRuneCount ());
var fmtText = string.Empty;
for (int i = text.GetRuneCount (); i < maxWidth; i++)
{
fmtText = TextFormatter.Format (
text,
i,
TextAlignment.Justified,
false,
true,
0,
TextDirection.TopBottom_LeftRight
) [0];
Assert.Equal (i, fmtText.GetRuneCount ());
char c = fmtText [^1];
Assert.True (text.EndsWith (c));
}
Assert.Equal (justifiedText, fmtText);
}
[Theory]
[InlineData ("Truncate", 3, "Tru")]
[InlineData ("デモエムポンズ", 3, "デ")]
public void Format_Truncate_Simple_And_Wide_Runes (string text, int width, string expected)
{
List<string> list = TextFormatter.Format (text, width, false, false);
Assert.Equal (expected, list [^1]);
}
[Theory]
[MemberData (nameof (FormatEnvironmentNewLine))]
public void Format_With_PreserveTrailingSpaces_And_Without_PreserveTrailingSpaces (
string text,
int width,
IEnumerable<string> expected
)
{
var preserveTrailingSpaces = false;
List<string> formated = TextFormatter.Format (text, width, false, true, preserveTrailingSpaces);
Assert.Equal (expected, formated);
preserveTrailingSpaces = true;
formated = TextFormatter.Format (text, width, false, true, preserveTrailingSpaces);
Assert.Equal (expected, formated);
}
[Theory]
[InlineData (
" A sentence has words. \n This is the second Line - 2. ",
4,
-50,
TextAlignment.Left,
true,
false,
new [] { " A", "sent", "ence", "has", "word", "s. ", " Thi", "s is", "the", "seco", "nd", "Line", "- 2." },
" Asentencehaswords. This isthesecondLine- 2."
)]
[InlineData (
" A sentence has words. \n This is the second Line - 2. ",
4,
-50,
TextAlignment.Left,
true,
true,
new []
{
" A ",
"sent",
"ence",
" ",
"has ",
"word",
"s. ",
" ",
"This",
" is ",
"the ",
"seco",
"nd ",
"Line",
" - ",
"2. "
},
" A sentence has words. This is the second Line - 2. "
)]
public void Format_WordWrap_PreserveTrailingSpaces (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
bool preserveTrailingSpaces,
IEnumerable<string> resultLines,
string expectedWrappedText
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
List<string> list = TextFormatter.Format (text, maxWidth, textAlignment, wrap, preserveTrailingSpaces);
Assert.Equal (list.Count, resultLines.Count ());
Assert.Equal (resultLines, list);
var wrappedText = string.Empty;
foreach (string txt in list)
{
wrappedText += txt;
}
Assert.Equal (expectedWrappedText, wrappedText);
}
[Theory]
[InlineData ("Hello World", 11)]
[InlineData ("こんにちは世界", 14)]
public void GetColumns_Simple_And_Wide_Runes (string text, int width) { Assert.Equal (width, text.GetColumns ()); }
[Theory]
[InlineData ("Hello World", 6, 6)]
[InlineData ("こんにちは 世界", 6, 3)]
[MemberData (nameof (CMGlyphs))]
public void GetLengthThatFits_List_Simple_And_Wide_Runes (string text, int columns, int expectedLength)
{
List<Rune> runes = text.ToRuneList ();
Assert.Equal (expectedLength, TextFormatter.GetLengthThatFits (runes, columns));
}
[Theory]
[InlineData ("test", 3, 3)]
[InlineData ("test", 4, 4)]
[InlineData ("test", 10, 4)]
public void GetLengthThatFits_Runelist (string text, int columns, int expectedLength)
{
List<Rune> runes = text.ToRuneList ();
Assert.Equal (expectedLength, TextFormatter.GetLengthThatFits (runes, columns));
}
[Theory]
[InlineData ("Hello World", 6, 6)]
[InlineData ("こんにちは 世界", 6, 3)]
public void GetLengthThatFits_Simple_And_Wide_Runes (string text, int columns, int expectedLength)
{
Assert.Equal (expectedLength, TextFormatter.GetLengthThatFits (text, columns));
}
[Theory]
[InlineData ("test", 3, 3)]
[InlineData ("test", 4, 4)]
[InlineData ("test", 10, 4)]
[InlineData ("test", 1, 1)]
[InlineData ("test", 0, 0)]
[InlineData ("test", -1, 0)]
[InlineData (null, -1, 0)]
[InlineData ("", -1, 0)]
public void GetLengthThatFits_String (string text, int columns, int expectedLength)
{
Assert.Equal (expectedLength, TextFormatter.GetLengthThatFits (text, columns));
}
[Fact]
public void GetLengthThatFits_With_Combining_Runes ()
{
var text = "Les Mise\u0328\u0301rables";
Assert.Equal (16, TextFormatter.GetLengthThatFits (text, 14));
}
[Fact]
public void GetMaxColsForWidth_With_Combining_Runes ()
{
List<string> text = new () { "Les Mis", "e\u0328\u0301", "rables" };
Assert.Equal (1, TextFormatter.GetMaxColsForWidth (text, 1));
}
[Theory]
[InlineData (new [] { "0123456789" }, 1)]
[InlineData (new [] { "Hello World" }, 1)]
[InlineData (new [] { "Hello", "World" }, 2)]
[InlineData (new [] { "こんにちは", "世界" }, 4)]
public void GetColumnsRequiredForVerticalText_List_GetsWidth (IEnumerable<string> text, int expectedWidth)
{
Assert.Equal (expectedWidth, TextFormatter.GetColumnsRequiredForVerticalText (text.ToList ()));
}
[Theory]
[InlineData (new [] { "Hello World" }, 1, 0, 1, 1)]
[InlineData (new [] { "Hello", "World" }, 2, 1, 1, 1)]
[InlineData (new [] { "こんにちは", "世界" }, 4, 1, 1, 2)]
public void GetColumnsRequiredForVerticalText_List_Simple_And_Wide_Runes (
IEnumerable<string> text,
int expectedWidth,
int index,
int length,
int expectedIndexWidth
)
{
Assert.Equal (expectedWidth, TextFormatter.GetColumnsRequiredForVerticalText (text.ToList ()));
Assert.Equal (expectedIndexWidth, TextFormatter.GetColumnsRequiredForVerticalText (text.ToList (), index, length));
}
[Fact]
public void GetColumnsRequiredForVerticalText_List_With_Combining_Runes ()
{
List<string> text = new () { "Les Mis", "e\u0328\u0301", "rables" };
Assert.Equal (1, TextFormatter.GetColumnsRequiredForVerticalText (text, 1, 1));
}
[Fact]
public void GetColumnsRequiredForVerticalText_With_Combining_Runes ()
{
var text = "Les Mise\u0328\u0301rables";
Assert.Equal (1, TextFormatter.GetWidestLineLength (text, 1, 1));
}
[Fact]
public void Internal_Tests ()
{
var tf = new TextFormatter ();
Assert.Equal (KeyCode.Null, tf.HotKey);
tf.HotKey = KeyCode.CtrlMask | KeyCode.Q;
Assert.Equal (KeyCode.CtrlMask | KeyCode.Q, tf.HotKey);
}
[Theory]
[InlineData ("")]
[InlineData (null)]
[InlineData ("test")]
public void Justify_Invalid (string text)
{
Assert.Equal (text, TextFormatter.Justify (text, 0));
Assert.Equal (text, TextFormatter.Justify (text, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => TextFormatter.Justify (text, -1));
}
[Theory]
// Even # of spaces
// 0123456789
[InlineData ("012 456 89", "012 456 89", 10, 0, "+", true)]
[InlineData ("012 456 89", "012++456+89", 11, 1)]
[InlineData ("012 456 89", "012 456 89", 12, 2, "++", true)]
[InlineData ("012 456 89", "012+++456++89", 13, 3)]
[InlineData ("012 456 89", "012 456 89", 14, 4, "+++", true)]
[InlineData ("012 456 89", "012++++456+++89", 15, 5)]
[InlineData ("012 456 89", "012 456 89", 16, 6, "++++", true)]
[InlineData ("012 456 89", "012 456 89", 30, 20, "+++++++++++", true)]
[InlineData ("012 456 89", "012+++++++++++++456++++++++++++89", 33, 23)]
// Odd # of spaces
// 01234567890123
[InlineData ("012 456 89 end", "012 456 89 end", 14, 0, "+", true)]
[InlineData ("012 456 89 end", "012++456+89+end", 15, 1)]
[InlineData ("012 456 89 end", "012++456++89+end", 16, 2)]
[InlineData ("012 456 89 end", "012 456 89 end", 17, 3, "++", true)]
[InlineData ("012 456 89 end", "012+++456++89++end", 18, 4)]
[InlineData ("012 456 89 end", "012+++456+++89++end", 19, 5)]
[InlineData ("012 456 89 end", "012 456 89 end", 20, 6, "+++", true)]
[InlineData ("012 456 89 end", "012++++++++456++++++++89+++++++end", 34, 20)]
[InlineData ("012 456 89 end", "012+++++++++456+++++++++89++++++++end", 37, 23)]
// Unicode
// Even # of chars
// 0123456789
[InlineData ("пÑРвРÑ", "пÑРвРÑ", 10, 0, "+", true)]
[InlineData ("пÑРвРÑ", "пÑÐ++вÐ+Ñ", 11, 1)]
[InlineData ("пÑРвРÑ", "пÑРвРÑ", 12, 2, "++", true)]
[InlineData ("пÑРвРÑ", "пÑÐ+++вÐ++Ñ", 13, 3)]
[InlineData ("пÑРвРÑ", "пÑРвРÑ", 14, 4, "+++", true)]
[InlineData ("пÑРвРÑ", "пÑÐ++++вÐ+++Ñ", 15, 5)]
[InlineData ("пÑРвРÑ", "пÑРвРÑ", 16, 6, "++++", true)]
[InlineData ("пÑРвРÑ", "пÑРвРÑ", 30, 20, "+++++++++++", true)]
[InlineData ("пÑРвРÑ", "пÑÐ+++++++++++++вÐ++++++++++++Ñ", 33, 23)]
// Unicode
// Odd # of chars
// 0123456789
[InlineData ("Ð ÑРвРÑ", "Ð ÑРвРÑ", 10, 0, "+", true)]
[InlineData ("Ð ÑРвРÑ", "Ð++ÑÐ+вÐ+Ñ", 11, 1)]
[InlineData ("Ð ÑРвРÑ", "Ð++ÑÐ++вÐ+Ñ", 12, 2)]
[InlineData ("Ð ÑРвРÑ", "Ð ÑРвРÑ", 13, 3, "++", true)]
[InlineData ("Ð ÑРвРÑ", "Ð+++ÑÐ++вÐ++Ñ", 14, 4)]
[InlineData ("Ð ÑРвРÑ", "Ð+++ÑÐ+++вÐ++Ñ", 15, 5)]
[InlineData ("Ð ÑРвРÑ", "Ð ÑРвРÑ", 16, 6, "+++", true)]
[InlineData ("Ð ÑРвРÑ", "Ð++++++++ÑÐ++++++++вÐ+++++++Ñ", 30, 20)]
[InlineData ("Ð ÑРвРÑ", "Ð+++++++++ÑÐ+++++++++вÐ++++++++Ñ", 33, 23)]
public void Justify_Sentence (
string text,
string justifiedText,
int forceToWidth,
int widthOffset,
string replaceWith = null,
bool replace = false
)
{
var fillChar = '+';
Assert.Equal (forceToWidth, text.GetRuneCount () + widthOffset);
if (replace)
{
justifiedText = text.Replace (" ", replaceWith);
}
Assert.Equal (justifiedText, TextFormatter.Justify (text, forceToWidth, fillChar));
Assert.True (Math.Abs (forceToWidth - justifiedText.GetRuneCount ()) < text.Count (s => s == ' '));
Assert.True (Math.Abs (forceToWidth - justifiedText.GetColumns ()) < text.Count (s => s == ' '));
}
[Theory]
[InlineData ("word")] // Even # of chars
[InlineData ("word.")] // Odd # of chars
[InlineData ("пÑивеÑ")] // Unicode (even #)
[InlineData ("пÑивеÑ.")] // Unicode (odd # of chars)
public void Justify_SingleWord (string text)
{
string justifiedText = text;
var fillChar = '+';
int width = text.GetRuneCount ();
Assert.Equal (justifiedText, TextFormatter.Justify (text, width, fillChar));
width = text.GetRuneCount () + 1;
Assert.Equal (justifiedText, TextFormatter.Justify (text, width, fillChar));
width = text.GetRuneCount () + 2;
Assert.Equal (justifiedText, TextFormatter.Justify (text, width, fillChar));
width = text.GetRuneCount () + 10;
Assert.Equal (justifiedText, TextFormatter.Justify (text, width, fillChar));
width = text.GetRuneCount () + 11;
Assert.Equal (justifiedText, TextFormatter.Justify (text, width, fillChar));
}
[Theory]
[InlineData ("Single Line 界", 14)]
[InlineData ("First Line 界\nSecond Line 界\nThird Line 界\n", 14)]
public void MaxWidthLine_With_And_Without_Newlines (string text, int expected) { Assert.Equal (expected, TextFormatter.GetWidestLineLength (text)); }
[Theory]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
0,
false,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
1,
false,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
1,
0,
false,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
0,
true,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
1,
true,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
1,
0,
true,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
6,
5,
false,
new [] { "First " }
)]
[InlineData ("1\n2\n3\n4\n5\n6", 6, 5, false, new [] { "1 2 3 " })]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
6,
5,
true,
new [] { "First ", "Second", "Third ", "Forty ", "Fiftee" }
)]
[InlineData ("第一行\n第二行\n第三行\n四十行\n第十五行\n七十行", 5, 5, false, new [] { "第一" })]
[InlineData ("第一行\n第二行\n第三行\n四十行\n第十五行\n七十行", 5, 5, true, new [] { "第一", "第二", "第三", "四十", "第十" })]
public void MultiLine_WordWrap_False_Horizontal_Direction (
string text,
int maxWidth,
int maxHeight,
bool multiLine,
IEnumerable<string> resultLines
)
{
var tf = new TextFormatter
{
Text = text, Size = new (maxWidth, maxHeight), WordWrap = false, MultiLine = multiLine
};
Assert.False (tf.AutoSize);
Assert.False (tf.WordWrap);
Assert.True (tf.MultiLine == multiLine);
Assert.Equal (TextDirection.LeftRight_TopBottom, tf.Direction);
List<string> splitLines = tf.GetLines ();
Assert.Equal (splitLines.Count, resultLines.Count ());
Assert.Equal (splitLines, resultLines);
}
[Theory]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
0,
false,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
1,
false,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
1,
0,
false,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
0,
true,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
0,
1,
true,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
1,
0,
true,
new [] { "" }
)]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
6,
5,
false,
new [] { "First" }
)]
[InlineData ("1\n2\n3\n4\n5\n6", 6, 5, false, new [] { "1 2 3" })]
[InlineData (
"First Line\nSecond Line\nThird Line\nForty Line\nFifteenth Line\nSeventy Line",
6,
5,
true,
new [] { "First", "Secon", "Third", "Forty", "Fifte", "Seven" }
)]
[InlineData ("第一行\n第二行\n第三行\n四十行\n第十五行\n七十行", 5, 5, false, new [] { "第一行 第" })]
[InlineData ("第一行\n第二行\n第三行\n四十行\n第十五行\n七十行", 5, 5, true, new [] { "第一行", "第二行" })]
public void MultiLine_WordWrap_False_Vertical_Direction (
string text,
int maxWidth,
int maxHeight,
bool multiLine,
IEnumerable<string> resultLines
)
{
var tf = new TextFormatter
{
Text = text,
Size = new (maxWidth, maxHeight),
WordWrap = false,
MultiLine = multiLine,
Direction = TextDirection.TopBottom_LeftRight
};
Assert.False (tf.AutoSize);
Assert.False (tf.WordWrap);
Assert.True (tf.MultiLine == multiLine);
Assert.Equal (TextDirection.TopBottom_LeftRight, tf.Direction);
List<string> splitLines = tf.GetLines ();
Assert.Equal (splitLines.Count, resultLines.Count ());
Assert.Equal (splitLines, resultLines);
}
[Fact]
public void NeedsFormat_Sets ()
{
var testText = "test";
var testBounds = new Rectangle (0, 0, 100, 1);
var tf = new TextFormatter ();
tf.Text = "test";
Assert.True (tf.NeedsFormat); // get_Lines causes a Format
Assert.NotEmpty (tf.GetLines ());
Assert.False (tf.NeedsFormat); // get_Lines causes a Format
Assert.Equal (testText, tf.Text);
tf.Draw (testBounds, new Attribute (), new Attribute ());
Assert.False (tf.NeedsFormat);
tf.Size = new (1, 1);
Assert.True (tf.NeedsFormat);
Assert.NotEmpty (tf.GetLines ());
Assert.False (tf.NeedsFormat); // get_Lines causes a Format
tf.Alignment = TextAlignment.Centered;
Assert.True (tf.NeedsFormat);
Assert.NotEmpty (tf.GetLines ());
Assert.False (tf.NeedsFormat); // get_Lines causes a Format
}
[Theory]
[InlineData ("", -1, TextAlignment.Left, false, 0)]
[InlineData (null, 0, TextAlignment.Left, false, 1)]
[InlineData (null, 0, TextAlignment.Left, true, 1)]
[InlineData ("", 0, TextAlignment.Left, false, 1)]
[InlineData ("", 0, TextAlignment.Left, true, 1)]
public void Reformat_Invalid (string text, int maxWidth, TextAlignment textAlignment, bool wrap, int linesCount)
{
if (maxWidth < 0)
{
Assert.Throws<ArgumentOutOfRangeException> (
() =>
TextFormatter.Format (text, maxWidth, textAlignment, wrap)
);
}
else
{
List<string> list = TextFormatter.Format (text, maxWidth, textAlignment, wrap);
Assert.NotEmpty (list);
Assert.True (list.Count == linesCount);
Assert.Equal (string.Empty, list [0]);
}
}
[Theory]
[InlineData ("A sentence has words.\nLine 2.", 0, -29, TextAlignment.Left, false, 1, true)]
[InlineData ("A sentence has words.\nLine 2.", 1, -28, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.\nLine 2.", 5, -24, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.\nLine 2.", 28, -1, TextAlignment.Left, false, 1, false)]
// no clip
[InlineData ("A sentence has words.\nLine 2.", 29, 0, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.\nLine 2.", 30, 1, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.\r\nLine 2.", 0, -30, TextAlignment.Left, false, 1, true)]
[InlineData ("A sentence has words.\r\nLine 2.", 1, -29, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.\r\nLine 2.", 5, -25, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.\r\nLine 2.", 29, -1, TextAlignment.Left, false, 1, false, 1)]
[InlineData ("A sentence has words.\r\nLine 2.", 30, 0, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.\r\nLine 2.", 31, 1, TextAlignment.Left, false, 1, false)]
public void Reformat_NoWordrap_NewLines_MultiLine_False (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
int linesCount,
bool stringEmpty,
int clipWidthOffset = 0
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth) + clipWidthOffset;
List<string> list = TextFormatter.Format (text, maxWidth, textAlignment, wrap);
Assert.NotEmpty (list);
Assert.True (list.Count == linesCount);
if (stringEmpty)
{
Assert.Equal (string.Empty, list [0]);
}
else
{
Assert.NotEqual (string.Empty, list [0]);
}
if (text.Contains ("\r\n") && maxWidth > 0)
{
Assert.Equal (
StringExtensions.ToString (text.ToRunes () [..expectedClippedWidth])
.Replace ("\r\n", " "),
list [0]
);
}
else if (text.Contains ('\n') && maxWidth > 0)
{
Assert.Equal (
StringExtensions.ToString (text.ToRunes () [..expectedClippedWidth])
.Replace ("\n", " "),
list [0]
);
}
else
{
Assert.Equal (StringExtensions.ToString (text.ToRunes () [..expectedClippedWidth]), list [0]);
}
}
[Theory]
[InlineData ("A sentence has words.\nLine 2.", 0, -29, TextAlignment.Left, false, 1, true, new [] { "" })]
[InlineData (
"A sentence has words.\nLine 2.",
1,
-28,
TextAlignment.Left,
false,
2,
false,
new [] { "A", "L" }
)]
[InlineData (
"A sentence has words.\nLine 2.",
5,
-24,
TextAlignment.Left,
false,
2,
false,
new [] { "A sen", "Line " }
)]
[InlineData (
"A sentence has words.\nLine 2.",
28,
-1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
//// no clip
[InlineData (
"A sentence has words.\nLine 2.",
29,
0,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData (
"A sentence has words.\nLine 2.",
30,
1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData ("A sentence has words.\r\nLine 2.", 0, -30, TextAlignment.Left, false, 1, true, new [] { "" })]
[InlineData (
"A sentence has words.\r\nLine 2.",
1,
-29,
TextAlignment.Left,
false,
2,
false,
new [] { "A", "L" }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
5,
-25,
TextAlignment.Left,
false,
2,
false,
new [] { "A sen", "Line " }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
29,
-1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
30,
0,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
31,
1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
public void Reformat_NoWordrap_NewLines_MultiLine_True (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
int linesCount,
bool stringEmpty,
IEnumerable<string> resultLines
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
List<string> list = TextFormatter.Format (
text,
maxWidth,
textAlignment,
wrap,
false,
0,
TextDirection.LeftRight_TopBottom,
true
);
Assert.NotEmpty (list);
Assert.True (list.Count == linesCount);
if (stringEmpty)
{
Assert.Equal (string.Empty, list [0]);
}
else
{
Assert.NotEqual (string.Empty, list [0]);
}
Assert.Equal (list, resultLines);
}
[Theory]
[InlineData ("A sentence has words.\nLine 2.", 0, -29, TextAlignment.Left, false, 1, true, new [] { "" })]
[InlineData (
"A sentence has words.\nLine 2.",
1,
-28,
TextAlignment.Left,
false,
2,
false,
new [] { "A", "L" }
)]
[InlineData (
"A sentence has words.\nLine 2.",
5,
-24,
TextAlignment.Left,
false,
2,
false,
new [] { "A sen", "Line " }
)]
[InlineData (
"A sentence has words.\nLine 2.",
28,
-1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
//// no clip
[InlineData (
"A sentence has words.\nLine 2.",
29,
0,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData (
"A sentence has words.\nLine 2.",
30,
1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData ("A sentence has words.\r\nLine 2.", 0, -30, TextAlignment.Left, false, 1, true, new [] { "" })]
[InlineData (
"A sentence has words.\r\nLine 2.",
1,
-29,
TextAlignment.Left,
false,
2,
false,
new [] { "A", "L" }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
5,
-25,
TextAlignment.Left,
false,
2,
false,
new [] { "A sen", "Line " }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
29,
-1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
30,
0,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
[InlineData (
"A sentence has words.\r\nLine 2.",
31,
1,
TextAlignment.Left,
false,
2,
false,
new [] { "A sentence has words.", "Line 2." }
)]
public void Reformat_NoWordrap_NewLines_MultiLine_True_Vertical (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
int linesCount,
bool stringEmpty,
IEnumerable<string> resultLines
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
List<string> list = TextFormatter.Format (
text,
maxWidth,
textAlignment,
wrap,
false,
0,
TextDirection.TopBottom_LeftRight,
true
);
Assert.NotEmpty (list);
Assert.True (list.Count == linesCount);
if (stringEmpty)
{
Assert.Equal (string.Empty, list [0]);
}
else
{
Assert.NotEqual (string.Empty, list [0]);
}
Assert.Equal (list, resultLines);
}
[Theory]
[InlineData ("", 0, 0, TextAlignment.Left, false, 1, true)]
[InlineData ("", 1, 1, TextAlignment.Left, false, 1, true)]
[InlineData ("A sentence has words.", 0, -21, TextAlignment.Left, false, 1, true)]
[InlineData ("A sentence has words.", 1, -20, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.", 5, -16, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.", 20, -1, TextAlignment.Left, false, 1, false)]
// no clip
[InlineData ("A sentence has words.", 21, 0, TextAlignment.Left, false, 1, false)]
[InlineData ("A sentence has words.", 22, 1, TextAlignment.Left, false, 1, false)]
public void Reformat_NoWordrap_SingleLine (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
int linesCount,
bool stringEmpty
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
List<string> list = TextFormatter.Format (text, maxWidth, textAlignment, wrap);
Assert.NotEmpty (list);
Assert.True (list.Count == linesCount);
if (stringEmpty)
{
Assert.Equal (string.Empty, list [0]);
}
else
{
Assert.NotEqual (string.Empty, list [0]);
}
Assert.Equal (StringExtensions.ToString (text.ToRunes () [..expectedClippedWidth]), list [0]);
}
[Theory]
// Unicode
[InlineData (
"\u2460\u2461\u2462\n\u2460\u2461\u2462\u2463\u2464",
8,
-1,
TextAlignment.Left,
true,
false,
new [] { "\u2460\u2461\u2462", "\u2460\u2461\u2462\u2463\u2464" }
)]
// no clip
[InlineData (
"\u2460\u2461\u2462\n\u2460\u2461\u2462\u2463\u2464",
9,
0,
TextAlignment.Left,
true,
false,
new [] { "\u2460\u2461\u2462", "\u2460\u2461\u2462\u2463\u2464" }
)]
[InlineData (
"\u2460\u2461\u2462\n\u2460\u2461\u2462\u2463\u2464",
10,
1,
TextAlignment.Left,
true,
false,
new [] { "\u2460\u2461\u2462", "\u2460\u2461\u2462\u2463\u2464" }
)]
public void Reformat_Unicode_Wrap_Spaces_NewLines (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
bool preserveTrailingSpaces,
IEnumerable<string> resultLines
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
List<string> list = TextFormatter.Format (text, maxWidth, textAlignment, wrap, preserveTrailingSpaces);
Assert.Equal (list.Count, resultLines.Count ());
Assert.Equal (resultLines, list);
}
[Theory]
// Unicode
// Even # of chars
// 0123456789
[InlineData ("\u2660пÑРвРÑ", 10, -1, TextAlignment.Left, true, false, new [] { "\u2660пÑРвÐ", "Ñ" })]
// no clip
[InlineData ("\u2660пÑРвРÑ", 11, 0, TextAlignment.Left, true, false, new [] { "\u2660пÑРвРÑ" })]
[InlineData ("\u2660пÑРвРÑ", 12, 1, TextAlignment.Left, true, false, new [] { "\u2660пÑРвРÑ" })]
// Unicode
// Odd # of chars
// 0123456789
[InlineData ("\u2660 ÑРвРÑ", 9, -1, TextAlignment.Left, true, false, new [] { "\u2660 ÑРвÐ", "Ñ" })]
// no clip
[InlineData ("\u2660 ÑРвРÑ", 10, 0, TextAlignment.Left, true, false, new [] { "\u2660 ÑРвРÑ" })]
[InlineData ("\u2660 ÑРвРÑ", 11, 1, TextAlignment.Left, true, false, new [] { "\u2660 ÑРвРÑ" })]
public void Reformat_Unicode_Wrap_Spaces_No_NewLines (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
bool preserveTrailingSpaces,
IEnumerable<string> resultLines
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
List<string> list = TextFormatter.Format (text, maxWidth, textAlignment, wrap, preserveTrailingSpaces);
Assert.Equal (list.Count, resultLines.Count ());
Assert.Equal (resultLines, list);
}
[Theory]
// Even # of spaces
// 0123456789
[InlineData ("012 456 89", 0, -10, TextAlignment.Left, true, true, true, new [] { "" })]
[InlineData (
"012 456 89",
1,
-9,
TextAlignment.Left,
true,
true,
false,
new [] { "0", "1", "2", " ", "4", "5", "6", " ", "8", "9" },
"01245689"
)]
[InlineData ("012 456 89", 5, -5, TextAlignment.Left, true, true, false, new [] { "012 ", "456 ", "89" })]
[InlineData ("012 456 89", 9, -1, TextAlignment.Left, true, true, false, new [] { "012 456 ", "89" })]
// no clip
[InlineData ("012 456 89", 10, 0, TextAlignment.Left, true, true, false, new [] { "012 456 89" })]
[InlineData ("012 456 89", 11, 1, TextAlignment.Left, true, true, false, new [] { "012 456 89" })]
// Odd # of spaces
// 01234567890123
[InlineData ("012 456 89 end", 13, -1, TextAlignment.Left, true, true, false, new [] { "012 456 89 ", "end" })]
// no clip
[InlineData ("012 456 89 end", 14, 0, TextAlignment.Left, true, true, false, new [] { "012 456 89 end" })]
[InlineData ("012 456 89 end", 15, 1, TextAlignment.Left, true, true, false, new [] { "012 456 89 end" })]
public void Reformat_Wrap_Spaces_No_NewLines (
string text,
int maxWidth,
int widthOffset,
TextAlignment textAlignment,
bool wrap,
bool preserveTrailingSpaces,
bool stringEmpty,
IEnumerable<string> resultLines,
string noSpaceText = ""
)
{
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
List<string> list = TextFormatter.Format (text, maxWidth, textAlignment, wrap, preserveTrailingSpaces);
Assert.NotEmpty (list);
Assert.True (list.Count == resultLines.Count ());
if (stringEmpty)
{
Assert.Equal (string.Empty, list [0]);
}
else
{
Assert.NotEqual (string.Empty, list [0]);
}
Assert.Equal (resultLines, list);
if (maxWidth > 0)
{
// remove whitespace chars
if (maxWidth < 5)
{
expectedClippedWidth = text.GetRuneCount () - text.Sum (r => r == ' ' ? 1 : 0);
}
else
{
expectedClippedWidth = Math.Min (
text.GetRuneCount (),
maxWidth - text.Sum (r => r == ' ' ? 1 : 0)
);
}
list = TextFormatter.Format (text, maxWidth, TextAlignment.Left, wrap);
if (maxWidth == 1)
{
Assert.Equal (expectedClippedWidth, list.Count);
Assert.Equal (noSpaceText, string.Concat (list.ToArray ()));
}
if (maxWidth > 1 && maxWidth < 10)
{
Assert.Equal (
StringExtensions.ToString (text.ToRunes () [..expectedClippedWidth]),
list [0]
);
}
}
}
[Theory]
[InlineData (null)]
[InlineData ("")]
[InlineData ("a")]
public void RemoveHotKeySpecifier_InValid_ReturnsOriginal (string text)
{
var hotKeySpecifier = (Rune)'_';
if (text == null)
{
Assert.Null (TextFormatter.RemoveHotKeySpecifier (text, 0, hotKeySpecifier));
Assert.Null (TextFormatter.RemoveHotKeySpecifier (text, -1, hotKeySpecifier));
Assert.Null (TextFormatter.RemoveHotKeySpecifier (text, 100, hotKeySpecifier));
}
else
{
Assert.Equal (text, TextFormatter.RemoveHotKeySpecifier (text, 0, hotKeySpecifier));
Assert.Equal (text, TextFormatter.RemoveHotKeySpecifier (text, -1, hotKeySpecifier));
Assert.Equal (text, TextFormatter.RemoveHotKeySpecifier (text, 100, hotKeySpecifier));
}
}
[Theory]
[InlineData ("all lower case", 0)]
[InlineData ("K Before", 0)]
[InlineData ("aK Second", 1)]
[InlineData ("Last K", 5)]
[InlineData ("fter K", 7)]
[InlineData ("Multiple K and R", 9)]
[InlineData ("Non-english: Кдать", 13)]
public void RemoveHotKeySpecifier_Valid_Legacy_ReturnsOriginal (string text, int hotPos)
{
var hotKeySpecifier = (Rune)'_';
Assert.Equal (text, TextFormatter.RemoveHotKeySpecifier (text, hotPos, hotKeySpecifier));
}
[Theory]
[InlineData ("_K Before", 0, "K Before")]
[InlineData ("a_K Second", 1, "aK Second")]
[InlineData ("Last _K", 5, "Last K")]
[InlineData ("After K_", 7, "After K")]
[InlineData ("Multiple _K and _R", 9, "Multiple K and _R")]
[InlineData ("Non-english: _Кдать", 13, "Non-english: Кдать")]
public void RemoveHotKeySpecifier_Valid_ReturnsStripped (string text, int hotPos, string expectedText)
{
var hotKeySpecifier = (Rune)'_';
Assert.Equal (expectedText, TextFormatter.RemoveHotKeySpecifier (text, hotPos, hotKeySpecifier));
}
[Theory]
[InlineData ("test", 0, 't', "test")]
[InlineData ("test", 1, 'e', "test")]
[InlineData ("Ok", 0, 'O', "Ok")]
[InlineData ("[◦ Ok ◦]", 3, 'O', "[◦ Ok ◦]")]
[InlineData ("^k", 0, '^', "^k")]
public void ReplaceHotKeyWithTag (string text, int hotPos, uint tag, string expected)
{
var tf = new TextFormatter ();
List<Rune> runes = text.ToRuneList ();
Rune rune;
if (Rune.TryGetRuneAt (text, hotPos, out rune))
{
Assert.Equal (rune, (Rune)tag);
}
string result = TextFormatter.ReplaceHotKeyWithTag (text, hotPos);
Assert.Equal (result, expected);
Assert.Equal ((Rune)tag, result.ToRunes () [hotPos]);
Assert.Equal (text.GetRuneCount (), runes.Count);
Assert.Equal (text, StringExtensions.ToString (runes));
}
[Theory]
[MemberData (nameof (SplitEnvironmentNewLine))]
public void SplitNewLine_Ending__With_Or_Without_NewLine_Probably_CRLF (
string text,
IEnumerable<string> expected
)
{
List<string> splited = TextFormatter.SplitNewLine (text);
Assert.Equal (expected, splited);
}
[Theory]
[InlineData (
"First Line 界\nSecond Line 界\nThird Line 界\n",
new [] { "First Line 界", "Second Line 界", "Third Line 界", "" }
)]
public void SplitNewLine_Ending_With_NewLine_Only_LF (string text, IEnumerable<string> expected)
{
List<string> splited = TextFormatter.SplitNewLine (text);
Assert.Equal (expected, splited);
}
[Theory]
[InlineData (
"First Line 界\nSecond Line 界\nThird Line 界",
new [] { "First Line 界", "Second Line 界", "Third Line 界" }
)]
public void SplitNewLine_Ending_Without_NewLine_Only_LF (string text, IEnumerable<string> expected)
{
List<string> splited = TextFormatter.SplitNewLine (text);
Assert.Equal (expected, splited);
}
[Theory]
[InlineData ("New Test 你", 10, 10, 20320, 20320, 9, "你")]
[InlineData ("New Test \U0001d539", 10, 11, 120121, 55349, 9, "𝔹")]
public void String_Array_Is_Not_Always_Equal_ToRunes_Array (
string text,
int runesLength,
int stringLength,
int runeValue,
int stringValue,
int index,
string expected
)
{
Rune [] usToRunes = text.ToRunes ();
Assert.Equal (runesLength, usToRunes.Length);
Assert.Equal (stringLength, text.Length);
Assert.Equal (runeValue, usToRunes [index].Value);
Assert.Equal (stringValue, text [index]);
Assert.Equal (expected, usToRunes [index].ToString ());
if (char.IsHighSurrogate (text [index]))
{
// Rune array length isn't equal to string array
Assert.Equal (expected, new string (new [] { text [index], text [index + 1] }));
}
else
{
// Rune array length is equal to string array
Assert.Equal (expected, text [index].ToString ());
}
}
[Theory]
[InlineData (17, 1, TextDirection.LeftRight_TopBottom, 4, "This is a Tab")]
[InlineData (1, 17, TextDirection.TopBottom_LeftRight, 4, "T\nh\ni\ns\n \ni\ns\n \na\n \n \n \n \n \nT\na\nb")]
[InlineData (13, 1, TextDirection.LeftRight_TopBottom, 0, "This is a Tab")]
[InlineData (1, 13, TextDirection.TopBottom_LeftRight, 0, "T\nh\ni\ns\n \ni\ns\n \na\n \nT\na\nb")]
public void TabWith_PreserveTrailingSpaces_False (
int width,
int height,
TextDirection textDirection,
int tabWidth,
string expected
)
{
var driver = new FakeDriver ();
driver.Init ();
var text = "This is a \tTab";
var tf = new TextFormatter ();
tf.Direction = textDirection;
tf.TabWidth = tabWidth;
tf.Text = text;
Assert.True (tf.WordWrap);
Assert.False (tf.PreserveTrailingSpaces);
Assert.Equal (new (width, height), tf.Size);
tf.Draw (
new (0, 0, width, height),
new Attribute (ColorName.White, ColorName.Black),
new Attribute (ColorName.Blue, ColorName.Black),
default (Rectangle),
driver
);
TestHelpers.AssertDriverContentsWithFrameAre (expected, _output, driver);
driver.End ();
}
[Theory]
[InlineData (17, 1, TextDirection.LeftRight_TopBottom, 4, "This is a Tab")]
[InlineData (1, 17, TextDirection.TopBottom_LeftRight, 4, "T\nh\ni\ns\n \ni\ns\n \na\n \n \n \n \n \nT\na\nb")]
[InlineData (13, 1, TextDirection.LeftRight_TopBottom, 0, "This is a Tab")]
[InlineData (1, 13, TextDirection.TopBottom_LeftRight, 0, "T\nh\ni\ns\n \ni\ns\n \na\n \nT\na\nb")]
public void TabWith_PreserveTrailingSpaces_True (
int width,
int height,
TextDirection textDirection,
int tabWidth,
string expected
)
{
var driver = new FakeDriver ();
driver.Init ();
var text = "This is a \tTab";
var tf = new TextFormatter ();
tf.Direction = textDirection;
tf.TabWidth = tabWidth;
tf.PreserveTrailingSpaces = true;
tf.Text = text;
Assert.True (tf.WordWrap);
Assert.Equal (new (width, height), tf.Size);
tf.Draw (
new (0, 0, width, height),
new Attribute (ColorName.White, ColorName.Black),
new Attribute (ColorName.Blue, ColorName.Black),
default (Rectangle),
driver
);
TestHelpers.AssertDriverContentsWithFrameAre (expected, _output, driver);
driver.End ();
}
[Theory]
[InlineData (17, 1, TextDirection.LeftRight_TopBottom, 4, "This is a Tab")]
[InlineData (1, 17, TextDirection.TopBottom_LeftRight, 4, "T\nh\ni\ns\n \ni\ns\n \na\n \n \n \n \n \nT\na\nb")]
[InlineData (13, 1, TextDirection.LeftRight_TopBottom, 0, "This is a Tab")]
[InlineData (1, 13, TextDirection.TopBottom_LeftRight, 0, "T\nh\ni\ns\n \ni\ns\n \na\n \nT\na\nb")]
public void TabWith_WordWrap_True (
int width,
int height,
TextDirection textDirection,
int tabWidth,
string expected
)
{
var driver = new FakeDriver ();
driver.Init ();
var text = "This is a \tTab";
var tf = new TextFormatter ();
tf.Direction = textDirection;
tf.TabWidth = tabWidth;
tf.WordWrap = true;
tf.Text = text;
Assert.False (tf.PreserveTrailingSpaces);
Assert.Equal (new (width, height), tf.Size);
tf.Draw (
new (0, 0, width, height),
new Attribute (ColorName.White, ColorName.Black),
new Attribute (ColorName.Blue, ColorName.Black),
default (Rectangle),
driver
);
TestHelpers.AssertDriverContentsWithFrameAre (expected, _output, driver);
driver.End ();
}
[Theory]
[InlineData ("123456789", 3, "123")]
[InlineData ("Hello World", 8, "Hello Wo")]
public void TestClipOrPad_LongWord (string text, int fillPad, string expectedText)
{
// word is long but we want it to fill # space only
Assert.Equal (expectedText, TextFormatter.ClipOrPad (text, fillPad));
}
[Theory]
[InlineData ("fff", 6, "fff ")]
[InlineData ("Hello World", 16, "Hello World ")]
public void TestClipOrPad_ShortWord (string text, int fillPad, string expectedText)
{
// word is short but we want it to fill # so it should be padded
Assert.Equal (expectedText, TextFormatter.ClipOrPad (text, fillPad));
}
[Theory]
[InlineData (TextDirection.LeftRight_TopBottom)]
[InlineData (TextDirection.TopBottom_LeftRight)]
public void TestSize_AutoSizeChange (TextDirection textDirection)
{
var tf = new TextFormatter { Direction = textDirection, Text = "你你" };
if (textDirection == TextDirection.LeftRight_TopBottom)
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
else
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
Assert.False (tf.AutoSize);
tf.Size = new (1, 1);
Assert.Equal (1, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
tf.AutoSize = true;
if (textDirection == TextDirection.LeftRight_TopBottom)
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
else
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
}
[Theory]
[InlineData (TextAlignment.Left, false)]
[InlineData (TextAlignment.Centered, true)]
[InlineData (TextAlignment.Right, false)]
[InlineData (TextAlignment.Justified, true)]
public void TestSize_DirectionChange_AutoSize_True_Or_False_Horizontal (
TextAlignment textAlignment,
bool autoSize
)
{
var tf = new TextFormatter
{
Direction = TextDirection.LeftRight_TopBottom, Text = "你你", Alignment = textAlignment, AutoSize = autoSize
};
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
tf.Direction = TextDirection.TopBottom_LeftRight;
if (autoSize && textAlignment != TextAlignment.Justified)
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
else
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
}
[Theory]
[InlineData (VerticalTextAlignment.Top, false)]
[InlineData (VerticalTextAlignment.Middle, true)]
[InlineData (VerticalTextAlignment.Bottom, false)]
[InlineData (VerticalTextAlignment.Justified, true)]
public void TestSize_DirectionChange_AutoSize_True_Or_False_Vertical (
VerticalTextAlignment textAlignment,
bool autoSize
)
{
var tf = new TextFormatter
{
Direction = TextDirection.TopBottom_LeftRight,
Text = "你你",
VerticalAlignment = textAlignment,
AutoSize = autoSize
};
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
tf.Direction = TextDirection.LeftRight_TopBottom;
if (autoSize && textAlignment != VerticalTextAlignment.Justified)
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
else
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
}
[Theory]
[InlineData (TextDirection.LeftRight_TopBottom, false)]
[InlineData (TextDirection.LeftRight_TopBottom, true)]
[InlineData (TextDirection.TopBottom_LeftRight, false)]
[InlineData (TextDirection.TopBottom_LeftRight, true)]
public void TestSize_SizeChange_AutoSize_True_Or_False (TextDirection textDirection, bool autoSize)
{
var tf = new TextFormatter { Direction = textDirection, Text = "你你", AutoSize = autoSize };
if (textDirection == TextDirection.LeftRight_TopBottom)
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
else
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
tf.Size = new (1, 1);
if (autoSize)
{
if (textDirection == TextDirection.LeftRight_TopBottom)
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
else
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
}
else
{
Assert.Equal (1, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
}
[Theory]
[InlineData (TextAlignment.Left, false)]
[InlineData (TextAlignment.Centered, true)]
[InlineData (TextAlignment.Right, false)]
[InlineData (TextAlignment.Justified, true)]
public void TestSize_SizeChange_AutoSize_True_Or_False_Horizontal (TextAlignment textAlignment, bool autoSize)
{
var tf = new TextFormatter
{
Direction = TextDirection.LeftRight_TopBottom, Text = "你你", Alignment = textAlignment, AutoSize = autoSize
};
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
tf.Size = new (1, 1);
if (autoSize && textAlignment != TextAlignment.Justified)
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
else
{
Assert.Equal (1, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
}
[Theory]
[InlineData (VerticalTextAlignment.Top, false)]
[InlineData (VerticalTextAlignment.Middle, true)]
[InlineData (VerticalTextAlignment.Bottom, false)]
[InlineData (VerticalTextAlignment.Justified, true)]
public void TestSize_SizeChange_AutoSize_True_Or_False_Vertical (
VerticalTextAlignment textAlignment,
bool autoSize
)
{
var tf = new TextFormatter
{
Direction = TextDirection.TopBottom_LeftRight,
Text = "你你",
VerticalAlignment = textAlignment,
AutoSize = autoSize
};
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
tf.Size = new (1, 1);
if (autoSize && textAlignment != VerticalTextAlignment.Justified)
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
else
{
Assert.Equal (1, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
}
[Theory]
[InlineData (TextDirection.LeftRight_TopBottom, false)]
[InlineData (TextDirection.LeftRight_TopBottom, true)]
[InlineData (TextDirection.TopBottom_LeftRight, false)]
[InlineData (TextDirection.TopBottom_LeftRight, true)]
public void TestSize_TextChange (TextDirection textDirection, bool autoSize)
{
var tf = new TextFormatter { Direction = textDirection, Text = "你", AutoSize = autoSize };
Assert.Equal (2, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
tf.Text = "你你";
if (autoSize)
{
if (textDirection == TextDirection.LeftRight_TopBottom)
{
Assert.Equal (4, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
else
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (2, tf.Size.Height);
}
}
else
{
Assert.Equal (2, tf.Size.Width);
Assert.Equal (1, tf.Size.Height);
}
}
[Fact]
public void WordWrap_BigWidth ()
{
List<string> wrappedLines;
var text = "Constantinople";
wrappedLines = TextFormatter.WordWrapText (text, 100);
Assert.True (wrappedLines.Count == 1);
Assert.Equal ("Constantinople", wrappedLines [0]);
}
[Fact]
public void WordWrap_Invalid ()
{
var text = string.Empty;
var width = 0;
Assert.Empty (TextFormatter.WordWrapText (null, width));
Assert.Empty (TextFormatter.WordWrapText (text, width));
Assert.Throws<ArgumentOutOfRangeException> (() => TextFormatter.WordWrapText (text, -1));
}
[Theory]
[InlineData ("A sentence has words.", 3, -18, new [] { "A", "sen", "ten", "ce", "has", "wor", "ds." })]
[InlineData (
"A sentence has words.",
2,
-19,
new [] { "A", "se", "nt", "en", "ce", "ha", "s", "wo", "rd", "s." }
)]
[InlineData (
"A sentence has words.",
1,
-20,
new [] { "A", "s", "e", "n", "t", "e", "n", "c", "e", "h", "a", "s", "w", "o", "r", "d", "s", "." }
)]
public void WordWrap_Narrow_Default (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
// Calls WordWrapText (text, width) and thus preserveTrailingSpaces defaults to false
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("A sentence has words.", 21, 0, new [] { "A sentence has words." })]
[InlineData ("A sentence has words.", 20, -1, new [] { "A sentence has", "words." })]
[InlineData ("A sentence has words.", 15, -6, new [] { "A sentence has", "words." })]
[InlineData ("A sentence has words.", 14, -7, new [] { "A sentence has", "words." })]
[InlineData ("A sentence has words.", 13, -8, new [] { "A sentence", "has words." })]
// Unicode
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.",
42,
0,
new [] { "A Unicode sentence (пÑивеÑ) has words." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.",
41,
-1,
new [] { "A Unicode sentence (пÑивеÑ) has", "words." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.",
36,
-6,
new [] { "A Unicode sentence (пÑивеÑ) has", "words." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.",
35,
-7,
new [] { "A Unicode sentence (пÑивеÑ) has", "words." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.",
34,
-8,
new [] { "A Unicode sentence (пÑивеÑ)", "has words." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.",
25,
-17,
new [] { "A Unicode sentence", "(пÑивеÑ) has words." }
)]
public void WordWrap_NoNewLines_Default (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
// Calls WordWrapText (text, width) and thus preserveTrailingSpaces defaults to false
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("これが最初の行です。 こんにちは世界。 これが2行目です。", 29, 0, new [] { "これが最初の行です。", "こんにちは世界。", "これが2行目です。" })]
public void WordWrap_PreserveTrailingSpaces_False_Unicode_Wide_Runes (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("文に は言葉 があり ます。", 14, 0, new [] { "文に は言葉", "があり ます。" })]
[InlineData ("文に は言葉 があり ます。", 3, -11, new [] { "文", "に", "は", "言", "葉", "が", "あ", "り", "ま", "す", "。" })]
[InlineData ("文に は言葉 があり ます。", 2, -12, new [] { "文", "に", "は", "言", "葉", "が", "あ", "り", "ま", "す", "。" })]
[InlineData (
"文に は言葉 があり ます。",
1,
-13,
new [] { " ", " ", " " }
)] // Just Spaces; should result in a single space for each line
public void WordWrap_PreserveTrailingSpaces_False_Wide_Runes (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData (null, 1, new string [] { })] // null input
[InlineData ("", 1, new string [] { })] // Empty input
[InlineData ("1 34", 1, new [] { "1", "3", "4" })] // Single Spaces
[InlineData ("1", 1, new [] { "1" })] // Short input
[InlineData ("12", 1, new [] { "1", "2" })]
[InlineData ("123", 1, new [] { "1", "2", "3" })]
[InlineData ("123456", 1, new [] { "1", "2", "3", "4", "5", "6" })] // No spaces
[InlineData (" ", 1, new [] { " " })] // Just Spaces; should result in a single space
[InlineData (" ", 1, new [] { " " })]
[InlineData (" ", 1, new [] { " ", " " })]
[InlineData (" ", 1, new [] { " ", " " })]
[InlineData ("12 456", 1, new [] { "1", "2", "4", "5", "6" })] // Single Spaces
[InlineData (" 2 456", 1, new [] { " ", "2", "4", "5", "6" })] // Leading spaces should be preserved.
[InlineData (" 2 456 8", 1, new [] { " ", "2", "4", "5", "6", "8" })]
[InlineData (
"A sentence has words. ",
1,
new [] { "A", "s", "e", "n", "t", "e", "n", "c", "e", "h", "a", "s", "w", "o", "r", "d", "s", "." }
)] // Complex example
[InlineData ("12 567", 1, new [] { "1", "2", " ", "5", "6", "7" })] // Double Spaces
[InlineData (" 3 567", 1, new [] { " ", "3", "5", "6", "7" })] // Double Leading spaces should be preserved.
[InlineData (" 3 678 1", 1, new [] { " ", "3", " ", "6", "7", "8", " ", "1" })]
[InlineData ("1 456", 1, new [] { "1", " ", "4", "5", "6" })]
[InlineData (
"A sentence has words. ",
1,
new []
{
"A", " ", "s", "e", "n", "t", "e", "n", "c", "e", " ", "h", "a", "s", "w", "o", "r", "d", "s", ".", " "
}
)] // Double space Complex example
public void WordWrap_PreserveTrailingSpaces_False_With_Simple_Runes_Width_1 (
string text,
int width,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines = TextFormatter.WordWrapText (text, width);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.Equal (resultLines, wrappedLines);
var breakLines = "";
foreach (string line in wrappedLines)
{
breakLines += $"{line}{Environment.NewLine}";
}
var expected = string.Empty;
foreach (string line in resultLines)
{
expected += $"{line}{Environment.NewLine}";
}
Assert.Equal (expected, breakLines);
}
[Theory]
[InlineData (null, 3, new string [] { })] // null input
[InlineData ("", 3, new string [] { })] // Empty input
[InlineData ("1", 3, new [] { "1" })] // Short input
[InlineData ("12", 3, new [] { "12" })]
[InlineData ("123", 3, new [] { "123" })]
[InlineData ("123456", 3, new [] { "123", "456" })] // No spaces
[InlineData ("1234567", 3, new [] { "123", "456", "7" })] // No spaces
[InlineData (" ", 3, new [] { " " })] // Just Spaces; should result in a single space
[InlineData (" ", 3, new [] { " " })]
[InlineData (" ", 3, new [] { " " })]
[InlineData (" ", 3, new [] { " " })]
[InlineData ("12 456", 3, new [] { "12", "456" })] // Single Spaces
[InlineData (" 2 456", 3, new [] { " 2", "456" })] // Leading spaces should be preserved.
[InlineData (" 2 456 8", 3, new [] { " 2", "456", "8" })]
[InlineData (
"A sentence has words. ",
3,
new [] { "A", "sen", "ten", "ce", "has", "wor", "ds." }
)] // Complex example
[InlineData ("12 567", 3, new [] { "12 ", "567" })] // Double Spaces
[InlineData (" 3 567", 3, new [] { " 3", "567" })] // Double Leading spaces should be preserved.
[InlineData (" 3 678 1", 3, new [] { " 3", " 67", "8 ", "1" })]
[InlineData ("1 456", 3, new [] { "1 ", "456" })]
[InlineData (
"A sentence has words. ",
3,
new [] { "A ", "sen", "ten", "ce ", " ", "has", "wor", "ds.", " " }
)] // Double space Complex example
public void WordWrap_PreserveTrailingSpaces_False_With_Simple_Runes_Width_3 (
string text,
int width,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines = TextFormatter.WordWrapText (text, width);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.Equal (resultLines, wrappedLines);
var breakLines = "";
foreach (string line in wrappedLines)
{
breakLines += $"{line}{Environment.NewLine}";
}
var expected = string.Empty;
foreach (string line in resultLines)
{
expected += $"{line}{Environment.NewLine}";
}
Assert.Equal (expected, breakLines);
}
[Theory]
[InlineData (null, 50, new string [] { })] // null input
[InlineData ("", 50, new string [] { })] // Empty input
[InlineData ("1", 50, new [] { "1" })] // Short input
[InlineData ("12", 50, new [] { "12" })]
[InlineData ("123", 50, new [] { "123" })]
[InlineData ("123456", 50, new [] { "123456" })] // No spaces
[InlineData ("1234567", 50, new [] { "1234567" })] // No spaces
[InlineData (" ", 50, new [] { " " })] // Just Spaces; should result in a single space
[InlineData (" ", 50, new [] { " " })]
[InlineData (" ", 50, new [] { " " })]
[InlineData ("12 456", 50, new [] { "12 456" })] // Single Spaces
[InlineData (" 2 456", 50, new [] { " 2 456" })] // Leading spaces should be preserved.
[InlineData (" 2 456 8", 50, new [] { " 2 456 8" })]
[InlineData ("A sentence has words. ", 50, new [] { "A sentence has words. " })] // Complex example
[InlineData ("12 567", 50, new [] { "12 567" })] // Double Spaces
[InlineData (" 3 567", 50, new [] { " 3 567" })] // Double Leading spaces should be preserved.
[InlineData (" 3 678 1", 50, new [] { " 3 678 1" })]
[InlineData ("1 456", 50, new [] { "1 456" })]
[InlineData (
"A sentence has words. ",
50,
new [] { "A sentence has words. " }
)] // Double space Complex example
public void WordWrap_PreserveTrailingSpaces_False_With_Simple_Runes_Width_50 (
string text,
int width,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines = TextFormatter.WordWrapText (text, width);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.Equal (resultLines, wrappedLines);
var breakLines = "";
foreach (string line in wrappedLines)
{
breakLines += $"{line}{Environment.NewLine}";
}
var expected = string.Empty;
foreach (string line in resultLines)
{
expected += $"{line}{Environment.NewLine}";
}
Assert.Equal (expected, breakLines);
}
[Theory]
[InlineData ("A sentence has words.", 14, -7, new [] { "A sentence ", "has words." })]
[InlineData ("A sentence has words.", 8, -13, new [] { "A ", "sentence", " has ", "words." })]
[InlineData ("A sentence has words.", 6, -15, new [] { "A ", "senten", "ce ", "has ", "words." })]
[InlineData ("A sentence has words.", 3, -18, new [] { "A ", "sen", "ten", "ce ", "has", " ", "wor", "ds." })]
[InlineData (
"A sentence has words.",
2,
-19,
new [] { "A ", "se", "nt", "en", "ce", " ", "ha", "s ", "wo", "rd", "s." }
)]
[InlineData (
"A sentence has words.",
1,
-20,
new []
{
"A", " ", "s", "e", "n", "t", "e", "n", "c", "e", " ", "h", "a", "s", " ", "w", "o", "r", "d", "s", "."
}
)]
public void WordWrap_PreserveTrailingSpaces_True (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth, true);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("文に は言葉 があり ます。", 14, 0, new [] { "文に は言葉 ", "があり ます。" })]
[InlineData ("文に は言葉 があり ます。", 3, -11, new [] { "文", "に ", "は", "言", "葉 ", "が", "あ", "り ", "ま", "す", "。" })]
[InlineData (
"文に は言葉 があり ます。",
2,
-12,
new [] { "文", "に", " ", "は", "言", "葉", " ", "が", "あ", "り", " ", "ま", "す", "。" }
)]
[InlineData ("文に は言葉 があり ます。", 1, -13, new string [] { })]
public void WordWrap_PreserveTrailingSpaces_True_Wide_Runes (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth, true);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("A sentence has words. ", 3, new [] { "A ", "sen", "ten", "ce ", "has", " ", "wor", "ds.", " " })]
[InlineData (
"A sentence has words. ",
3,
new [] { "A ", " ", "sen", "ten", "ce ", " ", " ", " ", "has", " ", "wor", "ds.", " " }
)]
public void WordWrap_PreserveTrailingSpaces_True_With_Simple_Runes_Width_3 (
string text,
int width,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines = TextFormatter.WordWrapText (text, width, true);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.Equal (resultLines, wrappedLines);
var breakLines = "";
foreach (string line in wrappedLines)
{
breakLines += $"{line}{Environment.NewLine}";
}
var expected = string.Empty;
foreach (string line in resultLines)
{
expected += $"{line}{Environment.NewLine}";
}
Assert.Equal (expected, breakLines);
// Double space Complex example - this is how VS 2022 does it
//text = "A sentence has words. ";
//breakLines = "";
//wrappedLines = TextFormatter.WordWrapText (text, width, preserveTrailingSpaces: true);
//foreach (var line in wrappedLines) {
// breakLines += $"{line}{Environment.NewLine}";
//}
//expected = "A " + Environment.NewLine +
// " se" + Environment.NewLine +
// " nt" + Environment.NewLine +
// " en" + Environment.NewLine +
// " ce" + Environment.NewLine +
// " " + Environment.NewLine +
// " " + Environment.NewLine +
// " " + Environment.NewLine +
// " ha" + Environment.NewLine +
// " s " + Environment.NewLine +
// " wo" + Environment.NewLine +
// " rd" + Environment.NewLine +
// " s." + Environment.NewLine;
//Assert.Equal (expected, breakLines);
}
[Theory]
[InlineData ("A sentence\t\t\t has words.", 14, -10, new [] { "A sentence\t", "\t\t has ", "words." })]
[InlineData (
"A sentence\t\t\t has words.",
8,
-16,
new [] { "A ", "sentence", "\t\t", "\t ", "has ", "words." }
)]
[InlineData (
"A sentence\t\t\t has words.",
3,
-21,
new [] { "A ", "sen", "ten", "ce", "\t", "\t", "\t", " ", "has", " ", "wor", "ds." }
)]
[InlineData (
"A sentence\t\t\t has words.",
2,
-22,
new [] { "A ", "se", "nt", "en", "ce", "\t", "\t", "\t", " ", "ha", "s ", "wo", "rd", "s." }
)]
[InlineData (
"A sentence\t\t\t has words.",
1,
-23,
new []
{
"A",
" ",
"s",
"e",
"n",
"t",
"e",
"n",
"c",
"e",
"\t",
"\t",
"\t",
" ",
"h",
"a",
"s",
" ",
"w",
"o",
"r",
"d",
"s",
"."
}
)]
public void WordWrap_PreserveTrailingSpaces_True_With_Tab (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines,
int tabWidth = 4
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth, true, tabWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("Constantinople", 14, 0, new [] { "Constantinople" })]
[InlineData ("Constantinople", 12, -2, new [] { "Constantinop", "le" })]
[InlineData ("Constantinople", 9, -5, new [] { "Constanti", "nople" })]
[InlineData ("Constantinople", 7, -7, new [] { "Constan", "tinople" })]
[InlineData ("Constantinople", 5, -9, new [] { "Const", "antin", "ople" })]
[InlineData ("Constantinople", 4, -10, new [] { "Cons", "tant", "inop", "le" })]
[InlineData (
"Constantinople",
1,
-13,
new [] { "C", "o", "n", "s", "t", "a", "n", "t", "i", "n", "o", "p", "l", "e" }
)]
public void WordWrap_SingleWordLine (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("This\u00A0is\n\u00A0a\u00A0sentence.", 20, 0, new [] { "This\u00A0is\u00A0a\u00A0sentence." })]
[InlineData ("This\u00A0is\n\u00A0a\u00A0sentence.", 19, -1, new [] { "This\u00A0is\u00A0a\u00A0sentence." })]
[InlineData (
"\u00A0\u00A0\u00A0\u00A0\u00A0test\u00A0sentence.",
19,
0,
new [] { "\u00A0\u00A0\u00A0\u00A0\u00A0test\u00A0sentence." }
)]
public void WordWrap_Unicode_2LinesWithNonBreakingSpace (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData ("This\u00A0is\u00A0a\u00A0sentence.", 19, 0, new [] { "This\u00A0is\u00A0a\u00A0sentence." })]
[InlineData ("This\u00A0is\u00A0a\u00A0sentence.", 18, -1, new [] { "This\u00A0is\u00A0a\u00A0sentence", "." })]
[InlineData ("This\u00A0is\u00A0a\u00A0sentence.", 17, -2, new [] { "This\u00A0is\u00A0a\u00A0sentenc", "e." })]
[InlineData ("This\u00A0is\u00A0a\u00A0sentence.", 14, -5, new [] { "This\u00A0is\u00A0a\u00A0sent", "ence." })]
[InlineData ("This\u00A0is\u00A0a\u00A0sentence.", 10, -9, new [] { "This\u00A0is\u00A0a\u00A0", "sentence." })]
[InlineData (
"This\u00A0is\u00A0a\u00A0sentence.",
7,
-12,
new [] { "This\u00A0is", "\u00A0a\u00A0sent", "ence." }
)]
[InlineData (
"This\u00A0is\u00A0a\u00A0sentence.",
5,
-14,
new [] { "This\u00A0", "is\u00A0a\u00A0", "sente", "nce." }
)]
[InlineData (
"This\u00A0is\u00A0a\u00A0sentence.",
1,
-18,
new []
{
"T", "h", "i", "s", "\u00A0", "i", "s", "\u00A0", "a", "\u00A0", "s", "e", "n", "t", "e", "n", "c", "e", "."
}
)]
public void WordWrap_Unicode_LineWithNonBreakingSpace (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[Theory]
[InlineData (
"กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ",
51,
0,
new [] { "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ" }
)]
[InlineData (
"กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ",
50,
-1,
new [] { "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ" }
)]
[InlineData (
"กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ",
46,
-5,
new [] { "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮ", "ฯะัาำ" }
)]
[InlineData (
"กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ",
26,
-25,
new [] { "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบ", "ปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ" }
)]
[InlineData (
"กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ",
17,
-34,
new [] { "กขฃคฅฆงจฉชซฌญฎฏฐฑ", "ฒณดตถทธนบปผฝพฟภมย", "รฤลฦวศษสหฬอฮฯะัาำ" }
)]
[InlineData (
"กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ",
13,
-38,
new [] { "กขฃคฅฆงจฉชซฌญ", "ฎฏฐฑฒณดตถทธนบ", "ปผฝพฟภมยรฤลฦว", "ศษสหฬอฮฯะัาำ" }
)]
[InlineData (
"กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำ",
1,
-50,
new []
{
"ก",
"ข",
"ฃ",
"ค",
"ฅ",
"ฆ",
"ง",
"จ",
"ฉ",
"ช",
"ซ",
"ฌ",
"ญ",
"ฎ",
"ฏ",
"ฐ",
"ฑ",
"ฒ",
"ณ",
"ด",
"ต",
"ถ",
"ท",
"ธ",
"น",
"บ",
"ป",
"ผ",
"ฝ",
"พ",
"ฟ",
"ภ",
"ม",
"ย",
"ร",
"ฤ",
"ล",
"ฦ",
"ว",
"ศ",
"ษ",
"ส",
"ห",
"ฬ",
"อ",
"ฮ",
"ฯ",
"ะั",
"า",
"ำ"
}
)]
public void WordWrap_Unicode_SingleWordLine (
string text,
int maxWidth,
int widthOffset,
IEnumerable<string> resultLines
)
{
List<string> wrappedLines;
IEnumerable<Rune> zeroWidth = text.EnumerateRunes ().Where (r => r.GetColumns () == 0);
Assert.Single (zeroWidth);
Assert.Equal ('ั', zeroWidth.ElementAt (0).Value);
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth
>= (wrappedLines.Count > 0
? wrappedLines.Max (
l => l.GetRuneCount ()
+ zeroWidth.Count ()
- 1
+ widthOffset
)
: 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
/// <summary>WordWrap strips CRLF</summary>
[Theory]
[InlineData (
"A sentence has words.\nA paragraph has lines.",
44,
0,
new [] { "A sentence has words.A paragraph has lines." }
)]
[InlineData (
"A sentence has words.\nA paragraph has lines.",
43,
-1,
new [] { "A sentence has words.A paragraph has lines." }
)]
[InlineData (
"A sentence has words.\nA paragraph has lines.",
38,
-6,
new [] { "A sentence has words.A paragraph has", "lines." }
)]
[InlineData (
"A sentence has words.\nA paragraph has lines.",
34,
-10,
new [] { "A sentence has words.A paragraph", "has lines." }
)]
[InlineData (
"A sentence has words.\nA paragraph has lines.",
27,
-17,
new [] { "A sentence has words.A", "paragraph has lines." }
)]
// Unicode
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.\nA Unicode Пункт has Линии.",
69,
0,
new [] { "A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт has Линии." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.\nA Unicode Пункт has Линии.",
68,
-1,
new [] { "A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт has Линии." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.\nA Unicode Пункт has Линии.",
63,
-6,
new [] { "A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт has", "Линии." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.\nA Unicode Пункт has Линии.",
59,
-10,
new [] { "A Unicode sentence (пÑивеÑ) has words.A Unicode Пункт", "has Линии." }
)]
[InlineData (
"A Unicode sentence (пÑивеÑ) has words.\nA Unicode Пункт has Линии.",
52,
-17,
new [] { "A Unicode sentence (пÑивеÑ) has words.A Unicode", "Пункт has Линии." }
)]
public void WordWrap_WithNewLines (string text, int maxWidth, int widthOffset, IEnumerable<string> resultLines)
{
List<string> wrappedLines;
Assert.Equal (maxWidth, text.GetRuneCount () + widthOffset);
int expectedClippedWidth = Math.Min (text.GetRuneCount (), maxWidth);
wrappedLines = TextFormatter.WordWrapText (text, maxWidth);
Assert.Equal (wrappedLines.Count, resultLines.Count ());
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetRuneCount ()) : 0)
);
Assert.True (
expectedClippedWidth >= (wrappedLines.Count > 0 ? wrappedLines.Max (l => l.GetColumns ()) : 0)
);
Assert.Equal (resultLines, wrappedLines);
}
[SetupFakeDriver]
[Theory]
[InlineData ("A", 0, false, "")]
[InlineData ("A", 1, false, "A")]
[InlineData ("A", 2, false, "A")]
[InlineData ("AB", 1, false, "A")]
[InlineData ("AB", 2, false, "AB")]
[InlineData ("ABC", 3, false, "ABC")]
[InlineData ("ABC", 4, false, "ABC")]
[InlineData ("ABC", 6, false, "ABC")]
[InlineData ("A", 0, true, "")]
[InlineData ("A", 1, true, "A")]
[InlineData ("A", 2, true, "A")]
[InlineData ("AB", 1, true, "A")]
[InlineData ("AB", 2, true, "AB")]
[InlineData ("ABC", 3, true, "ABC")]
[InlineData ("ABC", 4, true, "ABC")]
[InlineData ("ABC", 6, true, "ABC")]
public void Draw_Horizontal_Left (string text, int width, bool autoSize, string expectedText)
{
TextFormatter tf = new ()
{
Text = text,
Alignment = TextAlignment.Left,
AutoSize = autoSize,
};
if (!autoSize)
{
tf.Size = new Size (width, 1);
}
tf.Draw (new Rectangle (0, 0, width, 1), Attribute.Default, Attribute.Default);
TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
}
[SetupFakeDriver]
[Theory]
[InlineData ("A", 0, false, "")]
[InlineData ("A", 1, false, "A")]
[InlineData ("A", 2, false, " A")]
[InlineData ("AB", 1, false, "A")]
[InlineData ("AB", 2, false, "AB")]
[InlineData ("ABC", 3, false, "ABC")]
[InlineData ("ABC", 4, false, " ABC")]
[InlineData ("ABC", 6, false, " ABC")]
[InlineData ("A", 0, true, "")]
[InlineData ("A", 1, true, "A")]
[InlineData ("A", 2, true, " A")]
[InlineData ("AB", 1, true, "")] // BUGBUG: Should be "B". See https://github.com/gui-cs/Terminal.Gui/issues/3418#issuecomment-2067771418 for a partial fix
[InlineData ("AB", 2, true, "AB")]
[InlineData ("ABC", 3, true, "ABC")]
[InlineData ("ABC", 4, true, " ABC")]
[InlineData ("ABC", 6, true, " ABC")]
public void Draw_Horizontal_Right (string text, int width, bool autoSize, string expectedText)
{
TextFormatter tf = new ()
{
Text = text,
Alignment = TextAlignment.Right,
AutoSize = autoSize,
};
if (!autoSize)
{
tf.Size = new Size (width, 1);
}
tf.Draw (new Rectangle (Point.Empty, new (width, 1)), Attribute.Default, Attribute.Default);
TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
}
[SetupFakeDriver]
[Theory]
[InlineData ("A", 0, false, "")]
[InlineData ("A", 1, false, "A")]
[InlineData ("A", 2, false, "A")]
[InlineData ("A", 3, false, " A")]
[InlineData ("AB", 1, false, "A")]
[InlineData ("AB", 2, false, "AB")]
[InlineData ("ABC", 3, false, "ABC")]
[InlineData ("ABC", 4, false, "ABC")]
[InlineData ("ABC", 5, false, " ABC")]
[InlineData ("ABC", 6, false, " ABC")]
[InlineData ("ABC", 9, false, " ABC")]
[InlineData ("A", 0, true, "")]
[InlineData ("A", 1, true, "A")]
[InlineData ("A", 2, true, "A")]
[InlineData ("A", 3, true, " A")]
[InlineData ("AB", 1, true, "A")]
[InlineData ("AB", 2, true, "AB")]
[InlineData ("ABC", 3, true, "ABC")]
[InlineData ("ABC", 4, true, "ABC")]
[InlineData ("ABC", 5, true, " ABC")]
[InlineData ("ABC", 6, true, " ABC")]
[InlineData ("ABC", 9, true, " ABC")]
public void Draw_Horizontal_Centered (string text, int width, bool autoSize, string expectedText)
{
TextFormatter tf = new ()
{
Text = text,
Alignment = TextAlignment.Centered,
AutoSize = autoSize,
};
if (!autoSize)
{
tf.Size = new Size (width, 1);
}
tf.Draw (new Rectangle (0, 0, width, 1), Attribute.Default, Attribute.Default);
TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
}
[SetupFakeDriver]
[Theory]
[InlineData ("A", 0, false, "")]
[InlineData ("A", 1, false, "A")]
[InlineData ("A", 2, false,"A")]
[InlineData ("A B", 3, false,"A B")]
[InlineData ("A B", 1, false,"A")]
[InlineData ("A B", 2, false,"A")]
[InlineData ("A B", 3, false,"A B")]
[InlineData ("A B", 4, false,"A B")]
[InlineData ("A B", 5, false,"A B")]
[InlineData ("A B", 6, false,"A B")]
[InlineData ("A B", 10,false,"A B")]
[InlineData ("ABC ABC", 10, false, "ABC ABC")]
[InlineData ("A", 0, true, "")]
[InlineData ("A", 1, true, "A")]
[InlineData ("A", 2, true, "A")]
[InlineData ("A B", 3, true, "A B")]
[InlineData ("A B", 1, true, "A")]
[InlineData ("A B", 2, true, "A")]
[InlineData ("A B", 3, true, "A B")]
[InlineData ("A B", 4, true, "A B")]
[InlineData ("A B", 5, true, "A B")]
[InlineData ("A B", 6, true, "A B")]
[InlineData ("A B", 10, true, "A B")]
[InlineData ("ABC ABC", 10, true, "ABC ABC")]
public void Draw_Horizontal_Justified (string text, int width, bool autoSize, string expectedText)
{
TextFormatter tf = new ()
{
Text = text,
Alignment = TextAlignment.Justified,
AutoSize = autoSize,
};
if (!autoSize)
{
tf.Size = new Size (width, 1);
}
tf.Draw (new Rectangle (0, 0, width, 1), Attribute.Default, Attribute.Default);
TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
}
[SetupFakeDriver]
[Theory]
[InlineData ("A", 5, false, "A")]
[InlineData ("AB12", 5, false, @"
A
B
1
2")]
[InlineData ("AB\n12", 5, false, @"
A1
B2")]
[InlineData ("", 1, false, "")]
public void Draw_Vertical_TopBottom_LeftRight (string text, int height, bool autoSize, string expectedText)
{
TextFormatter tf = new ()
{
Text = text,
AutoSize = autoSize,
Direction = TextDirection.TopBottom_LeftRight,
};
if (!autoSize)
{
tf.Size = new Size (5, height);
}
tf.Draw (new Rectangle (0, 0, 5, height), Attribute.Default, Attribute.Default);
TestHelpers.AssertDriverContentsWithFrameAre (expectedText, _output);
}
}
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