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Terminal.Gui/UnitTests/TextViewTests.cs

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C#
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using System;
using System.Linq;
using System.Reflection;
using Xunit;
namespace Terminal.Gui.Views {
public class TextViewTests {
private static TextView _textView;
// This class enables test functions annotated with the [InitShutdown] attribute
// to have a function called before the test function is called and after.
//
// This is necessary because a) Application is a singleton and Init/Shutdown must be called
// as a pair, and b) all unit test functions should be atomic.
[AttributeUsage (AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
public class InitShutdown : Xunit.Sdk.BeforeAfterTestAttribute {
public override void Before (MethodInfo methodUnderTest)
{
if (_textView != null) {
throw new InvalidOperationException ("After did not run.");
}
Application.Init (new FakeDriver (), new FakeMainLoop (() => FakeConsole.ReadKey (true)));
// 1 2 3
// 01234567890123456789012345678901=32 (Length)
var txt = "TAB to jump between text fields.";
var buff = new byte [txt.Length];
for (int i = 0; i < txt.Length; i++) {
buff [i] = (byte)txt [i];
}
var ms = new System.IO.MemoryStream (buff).ToArray ();
_textView = new TextView () { Width = 30, Height = 10 };
_textView.Text = ms;
}
public override void After (MethodInfo methodUnderTest)
{
_textView = null;
Application.Shutdown ();
}
}
[Fact][InitShutdown]
public void Changing_Selection_Or_CursorPosition_Update_SelectedLength_And_SelectedText ()
{
_textView.SelectionStartColumn = 2;
_textView.SelectionStartRow = 0;
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (2, _textView.SelectedLength);
Assert.Equal ("TA", _textView.SelectedText);
_textView.CursorPosition = new Point (20, 0);
Assert.Equal (2, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (18, _textView.SelectedLength);
Assert.Equal ("B to jump between ", _textView.SelectedText);
}
[Fact][InitShutdown]
public void Selection_With_Value_Less_Than_Zero_Changes_To_Zero ()
{
_textView.SelectionStartColumn = -2;
_textView.SelectionStartRow = -2;
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void Selection_With_Value_Greater_Than_Text_Length_Changes_To_Text_Length ()
{
_textView.CursorPosition = new Point (2, 0);
_textView.SelectionStartColumn = 33;
_textView.SelectionStartRow = 1;
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (30, _textView.SelectedLength);
Assert.Equal ("B to jump between text fields.", _textView.SelectedText);
}
[Fact][InitShutdown]
public void Selection_With_Empty_Text ()
{
_textView = new TextView ();
_textView.CursorPosition = new Point (2, 0);
_textView.SelectionStartColumn = 33;
_textView.SelectionStartRow = 1;
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void Selection_And_CursorPosition_With_Value_Greater_Than_Text_Length_Changes_Both_To_Text_Length ()
{
_textView.CursorPosition = new Point (33, 2);
_textView.SelectionStartColumn = 33;
_textView.SelectionStartRow = 33;
Assert.Equal (32, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void CursorPosition_With_Value_Less_Than_Zero_Changes_To_Zero ()
{
_textView.CursorPosition = new Point (-1, -1);
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void CursorPosition_With_Value_Greater_Than_Text_Length_Changes_To_Text_Length ()
{
_textView.CursorPosition = new Point (33, 1);
Assert.Equal (32, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void WordForward_With_No_Selection ()
{
_textView.CursorPosition = new Point (0, 0);
var iteration = 0;
while (_textView.CursorPosition.X < _textView.Text.Length) {
_textView.ProcessKey (new KeyEvent (Key.CursorRight | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (4, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 1:
Assert.Equal (7, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 2:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 3:
Assert.Equal (20, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 4:
Assert.Equal (25, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 5:
Assert.Equal (32, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordBackward_With_No_Selection ()
{
_textView.CursorPosition = new Point (_textView.Text.Length, 0);
var iteration = 0;
while (_textView.CursorPosition.X > 0) {
_textView.ProcessKey (new KeyEvent (Key.CursorLeft | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (25, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 1:
Assert.Equal (20, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 2:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 3:
Assert.Equal (7, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 4:
Assert.Equal (4, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 5:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordForward_With_Selection ()
{
_textView.CursorPosition = new Point (0, 0);
_textView.SelectionStartColumn = 0;
_textView.SelectionStartRow = 0;
var iteration = 0;
while (_textView.CursorPosition.X < _textView.Text.Length) {
_textView.ProcessKey (new KeyEvent (Key.CursorRight | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (4, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (4, _textView.SelectedLength);
Assert.Equal ("TAB ", _textView.SelectedText);
break;
case 1:
Assert.Equal (7, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (7, _textView.SelectedLength);
Assert.Equal ("TAB to ", _textView.SelectedText);
break;
case 2:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (12, _textView.SelectedLength);
Assert.Equal ("TAB to jump ", _textView.SelectedText);
break;
case 3:
Assert.Equal (20, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (20, _textView.SelectedLength);
Assert.Equal ("TAB to jump between ", _textView.SelectedText);
break;
case 4:
Assert.Equal (25, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (25, _textView.SelectedLength);
Assert.Equal ("TAB to jump between text ", _textView.SelectedText);
break;
case 5:
Assert.Equal (32, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (32, _textView.SelectedLength);
Assert.Equal ("TAB to jump between text fields.", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordBackward_With_Selection ()
{
_textView.CursorPosition = new Point (_textView.Text.Length, 0);
_textView.SelectionStartColumn = _textView.Text.Length;
_textView.SelectionStartRow = 0;
var iteration = 0;
while (_textView.CursorPosition.X > 0) {
_textView.ProcessKey (new KeyEvent (Key.CursorLeft | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (25, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (7, _textView.SelectedLength);
Assert.Equal ("fields.", _textView.SelectedText);
break;
case 1:
Assert.Equal (20, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (12, _textView.SelectedLength);
Assert.Equal ("text fields.", _textView.SelectedText);
break;
case 2:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (20, _textView.SelectedLength);
Assert.Equal ("between text fields.", _textView.SelectedText);
break;
case 3:
Assert.Equal (7, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (25, _textView.SelectedLength);
Assert.Equal ("jump between text fields.", _textView.SelectedText);
break;
case 4:
Assert.Equal (4, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (28, _textView.SelectedLength);
Assert.Equal ("to jump between text fields.", _textView.SelectedText);
break;
case 5:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (32, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (32, _textView.SelectedLength);
Assert.Equal ("TAB to jump between text fields.", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordForward_With_The_Same_Values_For_SelectedStart_And_CursorPosition_And_Not_Starting_At_Beginning_Of_The_Text ()
{
_textView.CursorPosition = new Point (10, 0);
_textView.SelectionStartColumn = 10;
_textView.SelectionStartRow = 0;
var iteration = 0;
while (_textView.CursorPosition.X < _textView.Text.Length) {
_textView.ProcessKey (new KeyEvent (Key.CursorRight | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (10, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (2, _textView.SelectedLength);
Assert.Equal ("p ", _textView.SelectedText);
break;
case 1:
Assert.Equal (20, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (10, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (10, _textView.SelectedLength);
Assert.Equal ("p between ", _textView.SelectedText);
break;
case 2:
Assert.Equal (25, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (10, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (15, _textView.SelectedLength);
Assert.Equal ("p between text ", _textView.SelectedText);
break;
case 3:
Assert.Equal (32, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (10, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (22, _textView.SelectedLength);
Assert.Equal ("p between text fields.", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordBackward_With_The_Same_Values_For_SelectedStart_And_CursorPosition_And_Not_Starting_At_Beginning_Of_The_Text ()
{
_textView.CursorPosition = new Point (10, 0);
_textView.SelectionStartColumn = 10;
_textView.SelectionStartRow = 0;
var iteration = 0;
while (_textView.CursorPosition.X > 0) {
_textView.ProcessKey (new KeyEvent (Key.CursorLeft | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (7, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (10, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (3, _textView.SelectedLength);
Assert.Equal ("jum", _textView.SelectedText);
break;
case 1:
Assert.Equal (4, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (10, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (6, _textView.SelectedLength);
Assert.Equal ("to jum", _textView.SelectedText);
break;
case 2:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (10, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (10, _textView.SelectedLength);
Assert.Equal ("TAB to jum", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordForward_With_No_Selection_And_With_More_Than_Only_One_Whitespace_And_With_Only_One_Letter ()
{
// 1 2 3 4 5
// 0123456789012345678901234567890123456789012345678901234=55 (Length)
_textView.Text = "TAB t o jump b etween t ext f ields .";
_textView.CursorPosition = new Point (0, 0);
var iteration = 0;
while (_textView.CursorPosition.X < _textView.Text.Length) {
_textView.ProcessKey (new KeyEvent (Key.CursorRight | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (6, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 1:
Assert.Equal (9, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 2:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 3:
Assert.Equal (25, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 4:
Assert.Equal (28, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 5:
Assert.Equal (38, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 6:
Assert.Equal (40, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 7:
Assert.Equal (46, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 8:
Assert.Equal (48, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 9:
Assert.Equal (55, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordBackward_With_No_Selection_And_With_More_Than_Only_One_Whitespace_And_With_Only_One_Letter ()
{
// 1 2 3 4 5
// 0123456789012345678901234567890123456789012345678901234=55 (Length)
_textView.Text = "TAB t o jump b etween t ext f ields .";
_textView.CursorPosition = new Point (_textView.Text.Length, 0);
var iteration = 0;
while (_textView.CursorPosition.X > 0) {
_textView.ProcessKey (new KeyEvent (Key.CursorLeft | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (54, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 1:
Assert.Equal (48, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 2:
Assert.Equal (46, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 3:
Assert.Equal (40, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 4:
Assert.Equal (38, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 5:
Assert.Equal (28, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 6:
Assert.Equal (25, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 7:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 8:
Assert.Equal (9, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 9:
Assert.Equal (6, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
case 10:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (0, _textView.SelectedLength);
Assert.Equal ("", _textView.SelectedText);
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordBackward_Multiline_With_Selection ()
{
// 4 3 2 1
// 87654321098765432109876 54321098765432109876543210-Length
// 1 2 1 2
// 01234567890123456789012 0123456789012345678901234
_textView.Text = "This is the first line.\nThis is the second line.";
_textView.MoveEnd ();
_textView.SelectionStartColumn = _textView.CurrentColumn;
_textView.SelectionStartRow = _textView.CurrentRow;
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.CursorLeft | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (19, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (5, _textView.SelectedLength);
Assert.Equal ("line.", _textView.SelectedText);
break;
case 1:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (12, _textView.SelectedLength);
Assert.Equal ("second line.", _textView.SelectedText);
break;
case 2:
Assert.Equal (8, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (16, _textView.SelectedLength);
Assert.Equal ("the second line.", _textView.SelectedText);
break;
case 3:
Assert.Equal (5, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (19, _textView.SelectedLength);
Assert.Equal ("is the second line.", _textView.SelectedText);
break;
case 4:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (24, _textView.SelectedLength);
Assert.Equal ("This is the second line.", _textView.SelectedText);
break;
case 5:
Assert.Equal (23, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (25, _textView.SelectedLength);
Assert.Equal ("\nThis is the second line.", _textView.SelectedText);
break;
case 6:
Assert.Equal (18, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (30, _textView.SelectedLength);
Assert.Equal ("line.\nThis is the second line.", _textView.SelectedText);
break;
case 7:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (36, _textView.SelectedLength);
Assert.Equal ("first line.\nThis is the second line.", _textView.SelectedText);
break;
case 8:
Assert.Equal (8, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (40, _textView.SelectedLength);
Assert.Equal ("the first line.\nThis is the second line.", _textView.SelectedText);
break;
case 9:
Assert.Equal (5, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (43, _textView.SelectedLength);
Assert.Equal ("is the first line.\nThis is the second line.", _textView.SelectedText);
break;
case 10:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (24, _textView.SelectionStartColumn);
Assert.Equal (1, _textView.SelectionStartRow);
Assert.Equal (48, _textView.SelectedLength);
Assert.Equal ("This is the first line.\nThis is the second line.", _textView.SelectedText);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void WordForward_Multiline_With_Selection ()
{
// 1 2 3 4
// 01234567890123456789012 34567890123456789012345678-Length
// 1 2 1 2
// 01234567890123456789012 0123456789012345678901234
_textView.Text = "This is the first line.\nThis is the second line.";
_textView.SelectionStartColumn = _textView.CurrentColumn;
_textView.SelectionStartRow = _textView.CurrentRow;
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.CursorRight | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (5, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (5, _textView.SelectedLength);
Assert.Equal ("This ", _textView.SelectedText);
break;
case 1:
Assert.Equal (8, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (8, _textView.SelectedLength);
Assert.Equal ("This is ", _textView.SelectedText);
break;
case 2:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (12, _textView.SelectedLength);
Assert.Equal ("This is the ", _textView.SelectedText);
break;
case 3:
Assert.Equal (18, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (18, _textView.SelectedLength);
Assert.Equal ("This is the first ", _textView.SelectedText);
break;
case 4:
Assert.Equal (23, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (23, _textView.SelectedLength);
Assert.Equal ("This is the first line.", _textView.SelectedText);
break;
case 5:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (24, _textView.SelectedLength);
Assert.Equal ("This is the first line.\n", _textView.SelectedText);
break;
case 6:
Assert.Equal (5, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (29, _textView.SelectedLength);
Assert.Equal ("This is the first line.\nThis ", _textView.SelectedText);
break;
case 7:
Assert.Equal (8, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (32, _textView.SelectedLength);
Assert.Equal ("This is the first line.\nThis is ", _textView.SelectedText);
break;
case 8:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (36, _textView.SelectedLength);
Assert.Equal ("This is the first line.\nThis is the ", _textView.SelectedText);
break;
case 9:
Assert.Equal (19, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (43, _textView.SelectedLength);
Assert.Equal ("This is the first line.\nThis is the second ", _textView.SelectedText);
break;
case 10:
Assert.Equal (24, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal (0, _textView.SelectionStartColumn);
Assert.Equal (0, _textView.SelectionStartRow);
Assert.Equal (48, _textView.SelectedLength);
Assert.Equal ("This is the first line.\nThis is the second line.", _textView.SelectedText);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void Kill_To_End_Delete_Forwards_And_Copy_To_The_Clipboard ()
{
_textView.Text = "This is the first line.\nThis is the second line.";
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.DeleteChar | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ($"{System.Environment.NewLine}This is the second line.", _textView.Text);
break;
case 1:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the second line.", _textView.Text);
break;
case 2:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("", _textView.Text);
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ("This is the second line.", _textView.Text);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void Kill_To_Start_Delete_Backwards_And_Copy_To_The_Clipboard ()
{
_textView.Text = "This is the first line.\nThis is the second line.";
_textView.MoveEnd ();
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.Backspace | Key.CtrlMask | Key.ShiftMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal ($"This is the first line.{System.Environment.NewLine}", _textView.Text);
break;
case 1:
Assert.Equal (23, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the first line.", _textView.Text);
break;
case 2:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("", _textView.Text);
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ("This is the first line.", _textView.Text);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void Kill_Delete_WordForward ()
{
_textView.Text = "This is the first line.";
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.DeleteChar | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("is the first line.", _textView.Text);
break;
case 1:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("the first line.", _textView.Text);
break;
case 2:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("first line.", _textView.Text);
break;
case 3:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("line.", _textView.Text);
break;
case 4:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("", _textView.Text);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void Kill_Delete_WordBackward ()
{
_textView.Text = "This is the first line.";
_textView.MoveEnd ();
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.Backspace | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (18, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the first ", _textView.Text);
break;
case 1:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the ", _textView.Text);
break;
case 2:
Assert.Equal (8, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is ", _textView.Text);
break;
case 3:
Assert.Equal (5, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This ", _textView.Text);
break;
case 4:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("", _textView.Text);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void Kill_Delete_WordForward_Multiline ()
{
_textView.Text = "This is the first line.\nThis is the second line.";
_textView.Width = 4;
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.DeleteChar | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("is the first line." + Environment.NewLine
+ "This is the second line.", _textView.Text);
break;
case 1:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("the first line." + Environment.NewLine
+ "This is the second line.", _textView.Text);
break;
case 2:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("first line." + Environment.NewLine
+ "This is the second line.", _textView.Text);
break;
case 3:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("line." + Environment.NewLine
+ "This is the second line.", _textView.Text);
break;
case 4:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("" + Environment.NewLine
+ "This is the second line.", _textView.Text);
break;
case 5:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the second line.", _textView.Text);
break;
case 6:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("is the second line.", _textView.Text);
break;
case 7:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("the second line.", _textView.Text);
break;
case 8:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("second line.", _textView.Text);
break;
case 9:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("line.", _textView.Text);
break;
case 10:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("", _textView.Text);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void Kill_Delete_WordBackward_Multiline ()
{
_textView.Text = "This is the first line.\nThis is the second line.";
_textView.Width = 4;
_textView.MoveEnd ();
var iteration = 0;
bool iterationsFinished = false;
while (!iterationsFinished) {
_textView.ProcessKey (new KeyEvent (Key.Backspace | Key.CtrlMask, new KeyModifiers ()));
switch (iteration) {
case 0:
Assert.Equal (19, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal ("This is the first line." + Environment.NewLine
+ "This is the second ", _textView.Text);
break;
case 1:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal ("This is the first line." + Environment.NewLine
+ "This is the ", _textView.Text);
break;
case 2:
Assert.Equal (8, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal ("This is the first line." + Environment.NewLine
+ "This is ", _textView.Text);
break;
case 3:
Assert.Equal (5, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal ("This is the first line." + Environment.NewLine
+ "This ", _textView.Text);
break;
case 4:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (1, _textView.CursorPosition.Y);
Assert.Equal ("This is the first line." + Environment.NewLine, _textView.Text);
break;
case 5:
Assert.Equal (23, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the first line.", _textView.Text);
break;
case 6:
Assert.Equal (18, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the first ", _textView.Text);
break;
case 7:
Assert.Equal (12, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is the ", _textView.Text);
break;
case 8:
Assert.Equal (8, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This is ", _textView.Text);
break;
case 9:
Assert.Equal (5, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("This ", _textView.Text);
break;
case 10:
Assert.Equal (0, _textView.CursorPosition.X);
Assert.Equal (0, _textView.CursorPosition.Y);
Assert.Equal ("", _textView.Text);
break;
default:
iterationsFinished = true;
break;
}
iteration++;
}
}
[Fact][InitShutdown]
public void Copy_Or_Cut_Null_If_No_Selection ()
{
_textView.SelectionStartColumn = 0;
_textView.SelectionStartRow = 0;
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
Assert.Equal ("", _textView.SelectedText);
_textView.ProcessKey (new KeyEvent (Key.W | Key.CtrlMask, new KeyModifiers ())); // Cut
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void Copy_Or_Cut_Not_Null_If_Has_Selection ()
{
_textView.SelectionStartColumn = 20;
_textView.SelectionStartRow = 0;
_textView.CursorPosition = new Point (24, 0);
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
Assert.Equal ("text", _textView.SelectedText);
_textView.ProcessKey (new KeyEvent (Key.W | Key.CtrlMask, new KeyModifiers ())); // Cut
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void Copy_Or_Cut_And_Paste_With_Selection ()
{
_textView.SelectionStartColumn = 20;
_textView.SelectionStartRow = 0;
_textView.CursorPosition = new Point (24, 0);
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
Assert.Equal ("text", _textView.SelectedText);
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
_textView.SelectionStartColumn = 20;
_textView.SelectionStartRow = 0;
_textView.ProcessKey (new KeyEvent (Key.W | Key.CtrlMask, new KeyModifiers ())); // Cut
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
}
[Fact][InitShutdown]
public void Copy_Or_Cut_And_Paste_With_No_Selection ()
{
_textView.SelectionStartColumn = 20;
_textView.SelectionStartRow = 0;
_textView.CursorPosition = new Point (24, 0);
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
Assert.Equal ("text", _textView.SelectedText);
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
_textView.SelectionStartColumn = 0;
_textView.SelectionStartRow = 0;
Assert.True (_textView.Selecting);
_textView.Selecting = false;
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ("TAB to jump between texttext fields.", _textView.Text);
_textView.SelectionStartColumn = 24;
_textView.SelectionStartRow = 0;
_textView.ProcessKey (new KeyEvent (Key.W | Key.CtrlMask, new KeyModifiers ())); // Cut
Assert.Equal ("", _textView.SelectedText);
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
_textView.SelectionStartColumn = 0;
_textView.SelectionStartRow = 0;
Assert.True (_textView.Selecting);
_textView.Selecting = false;
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ("TAB to jump between texttext fields.", _textView.Text);
}
[Fact][InitShutdown]
public void Cut_Not_Allowed_If_ReadOnly_Is_True ()
{
_textView.ReadOnly = true;
_textView.SelectionStartColumn = 20;
_textView.SelectionStartRow = 0;
_textView.CursorPosition = new Point (24, 0);
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
Assert.Equal ("text", _textView.SelectedText);
_textView.ProcessKey (new KeyEvent (Key.W | Key.CtrlMask, new KeyModifiers ())); // Selecting is set to false after Cut.
Assert.Equal ("", _textView.SelectedText);
_textView.ReadOnly = false;
Assert.False (_textView.Selecting);
_textView.Selecting = true; // Needed to set Selecting to true.
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
Assert.Equal ("text", _textView.SelectedText);
_textView.ProcessKey (new KeyEvent (Key.W | Key.CtrlMask, new KeyModifiers ())); // Cut
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void Paste_Always_Clear_The_SelectedText ()
{
_textView.SelectionStartColumn = 20;
_textView.SelectionStartRow = 0;
_textView.CursorPosition = new Point (24, 0);
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
Assert.Equal ("text", _textView.SelectedText);
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ("", _textView.SelectedText);
}
[Fact][InitShutdown]
public void TextChanged_Event ()
{
_textView.TextChanged += () => {
if (_textView.Text == "changing") {
Assert.Equal ("changing", _textView.Text);
_textView.Text = "changed";
}
};
_textView.Text = "changing";
Assert.Equal ("changed", _textView.Text);
}
[Fact][InitShutdown]
public void Used_Is_True_By_Default ()
{
_textView.CursorPosition = new Point (10, 0);
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x75, new KeyModifiers ())); // u
Assert.Equal ("TAB to jumup between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x73, new KeyModifiers ())); // s
Assert.Equal ("TAB to jumusp between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x65, new KeyModifiers ())); // e
Assert.Equal ("TAB to jumusep between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x64, new KeyModifiers ())); // d
Assert.Equal ("TAB to jumusedp between text fields.", _textView.Text);
}
[Fact][InitShutdown]
public void Used_Is_False ()
{
_textView.Used = false;
_textView.CursorPosition = new Point (10, 0);
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x75, new KeyModifiers ())); // u
Assert.Equal ("TAB to jumu between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x73, new KeyModifiers ())); // s
Assert.Equal ("TAB to jumusbetween text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x65, new KeyModifiers ())); // e
Assert.Equal ("TAB to jumuseetween text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent ((Key)0x64, new KeyModifiers ())); // d
Assert.Equal ("TAB to jumusedtween text fields.", _textView.Text);
}
[Fact][InitShutdown]
public void Copy_Without_Selection ()
{
_textView.Text = "This is the first line.\nThis is the second line.\n";
_textView.CursorPosition = new Point (0, _textView.Lines - 1);
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ($"This is the first line.{Environment.NewLine}This is the second line.{Environment.NewLine}{Environment.NewLine}", _textView.Text);
_textView.CursorPosition = new Point (3, 1);
_textView.ProcessKey (new KeyEvent (Key.C | Key.CtrlMask, new KeyModifiers ())); // Copy
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ($"This is the first line.{Environment.NewLine}This is the second line.{Environment.NewLine}This is the second line.{Environment.NewLine}{Environment.NewLine}", _textView.Text);
Assert.Equal (new Point (3, 2), _textView.CursorPosition);
_textView.ProcessKey (new KeyEvent (Key.Y | Key.CtrlMask, new KeyModifiers ())); // Paste
Assert.Equal ($"This is the first line.{Environment.NewLine}This is the second line.{Environment.NewLine}This is the second line.{Environment.NewLine}This is the second line.{Environment.NewLine}{Environment.NewLine}", _textView.Text);
Assert.Equal (new Point (3, 3), _textView.CursorPosition);
}
[Fact][InitShutdown]
public void TabWidth_Setting_To_Zero_Changes_AllowsTab_To_False_If_True ()
{
Assert.Equal (4, _textView.TabWidth);
Assert.True (_textView.AllowsTab);
Assert.True (_textView.AllowsReturn);
Assert.True (_textView.Multiline);
_textView.TabWidth = -1;
Assert.Equal (0, _textView.TabWidth);
Assert.False (_textView.AllowsTab);
Assert.False (_textView.AllowsReturn);
Assert.False (_textView.Multiline);
_textView.ProcessKey (new KeyEvent (Key.Tab, new KeyModifiers ()));
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
_textView.ProcessKey (new KeyEvent (Key.BackTab, new KeyModifiers ()));
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
}
[Fact][InitShutdown]
public void AllowsTab_Setting_To_True_Changes_TabWidth_To_Default_If_It_Is_Zero ()
{
_textView.TabWidth = 0;
Assert.Equal (0, _textView.TabWidth);
Assert.False (_textView.AllowsTab);
Assert.False (_textView.AllowsReturn);
Assert.False (_textView.Multiline);
_textView.AllowsTab = true;
Assert.True (_textView.AllowsTab);
Assert.Equal (4, _textView.TabWidth);
Assert.True (_textView.AllowsReturn);
Assert.True (_textView.Multiline);
}
[Fact][InitShutdown]
public void AllowsReturn_Setting_To_True_Changes_Multiline_To_True_If_It_Is_False ()
{
Assert.True (_textView.AllowsReturn);
Assert.True (_textView.Multiline);
Assert.Equal (4, _textView.TabWidth);
Assert.True (_textView.AllowsTab);
_textView.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ()));
Assert.Equal (Environment.NewLine +
"TAB to jump between text fields.", _textView.Text);
_textView.AllowsReturn = false;
Assert.False (_textView.AllowsReturn);
Assert.False (_textView.Multiline);
Assert.Equal (0, _textView.TabWidth);
Assert.False (_textView.AllowsTab);
_textView.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ()));
Assert.Equal (Environment.NewLine +
"TAB to jump between text fields.", _textView.Text);
}
[Fact][InitShutdown]
public void Multiline_Setting_Changes_AllowsReturn_And_AllowsTab_And_Height ()
{
Assert.True (_textView.Multiline);
Assert.True (_textView.AllowsReturn);
Assert.Equal (4, _textView.TabWidth);
Assert.True (_textView.AllowsTab);
Assert.Equal ("Dim.Absolute(30)", _textView.Width.ToString ());
Assert.Equal ("Dim.Absolute(10)", _textView.Height.ToString ());
_textView.Multiline = false;
Assert.False (_textView.Multiline);
Assert.False (_textView.AllowsReturn);
Assert.Equal (0, _textView.TabWidth);
Assert.False (_textView.AllowsTab);
Assert.Equal ("Dim.Absolute(30)", _textView.Width.ToString ());
Assert.Equal ("Dim.Absolute(1)", _textView.Height.ToString ());
_textView.Multiline = true;
Assert.True (_textView.Multiline);
Assert.True (_textView.AllowsReturn);
Assert.Equal (4, _textView.TabWidth);
Assert.True (_textView.AllowsTab);
Assert.Equal ("Dim.Absolute(30)", _textView.Width.ToString ());
Assert.Equal ("Dim.Absolute(10)", _textView.Height.ToString ());
}
[Fact][InitShutdown]
public void Tab_Test_Follow_By_BackTab ()
{
Application.Top.Add (_textView);
Application.Iteration += () => {
var width = _textView.Bounds.Width - 1;
Assert.Equal (30, width + 1);
Assert.Equal (10, _textView.Height);
_textView.Text = "";
var col = 0;
var leftCol = 0;
var tabWidth = _textView.TabWidth;
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.Tab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
while (col > 0) {
col--;
_textView.ProcessKey (new KeyEvent (Key.BackTab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
Application.Top.Remove (_textView);
Application.RequestStop ();
};
Application.Run ();
}
[Fact][InitShutdown]
public void BackTab_Test_Follow_By_Tab ()
{
Application.Top.Add (_textView);
Application.Iteration += () => {
var width = _textView.Bounds.Width - 1;
Assert.Equal (30, width + 1);
Assert.Equal (10, _textView.Height);
_textView.Text = "";
for (int i = 0; i < 100; i++) {
_textView.Text += "\t";
}
var col = 100;
var tabWidth = _textView.TabWidth;
var leftCol = _textView.LeftColumn;
_textView.MoveEnd ();
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
while (col > 0) {
col--;
_textView.ProcessKey (new KeyEvent (Key.BackTab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.Tab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
Application.Top.Remove (_textView);
Application.RequestStop ();
};
Application.Run ();
}
[Fact][InitShutdown]
public void Tab_Test_Follow_By_CursorLeft_And_Then_Follow_By_CursorRight ()
{
Application.Top.Add (_textView);
Application.Iteration += () => {
var width = _textView.Bounds.Width - 1;
Assert.Equal (30, width + 1);
Assert.Equal (10, _textView.Height);
_textView.Text = "";
var col = 0;
var leftCol = 0;
var tabWidth = _textView.TabWidth;
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.Tab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
while (col > 0) {
col--;
_textView.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
Application.Top.Remove (_textView);
Application.RequestStop ();
};
Application.Run ();
}
[Fact][InitShutdown]
public void Tab_Test_Follow_By_BackTab_With_Text ()
{
Application.Top.Add (_textView);
Application.Iteration += () => {
var width = _textView.Bounds.Width - 1;
Assert.Equal (30, width + 1);
Assert.Equal (10, _textView.Height);
var col = 0;
var leftCol = 0;
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
Assert.Equal (leftCol, _textView.LeftColumn);
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.Tab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
while (col > 0) {
col--;
_textView.ProcessKey (new KeyEvent (Key.BackTab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
Application.Top.Remove (_textView);
Application.RequestStop ();
};
Application.Run ();
}
[Fact][InitShutdown]
public void Tab_Test_Follow_By_Home_And_Then_Follow_By_End_And_Then_Follow_By_BackTab_With_Text ()
{
Application.Top.Add (_textView);
Application.Iteration += () => {
var width = _textView.Bounds.Width - 1;
Assert.Equal (30, width + 1);
Assert.Equal (10, _textView.Height);
var col = 0;
var leftCol = 0;
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
Assert.Equal (leftCol, _textView.LeftColumn);
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
Assert.Equal (32, _textView.Text.Length);
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.Tab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
_textView.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ()));
col = 0;
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = 0;
Assert.Equal (leftCol, _textView.LeftColumn);
_textView.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ()));
col = _textView.Text.Length;
Assert.Equal (132, _textView.Text.Length);
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
var txt = _textView.Text;
while (col - 1 > 0 && txt [col - 1] != '\t') {
col--;
}
_textView.CursorPosition = new Point (col, 0);
leftCol = GetLeftCol (leftCol);
while (col > 0) {
col--;
_textView.ProcessKey (new KeyEvent (Key.BackTab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
Assert.Equal (32, _textView.Text.Length);
Application.Top.Remove (_textView);
Application.RequestStop ();
};
Application.Run ();
}
[Fact][InitShutdown]
public void Tab_Test_Follow_By_CursorLeft_And_Then_Follow_By_CursorRight_With_Text ()
{
Application.Top.Add (_textView);
Application.Iteration += () => {
var width = _textView.Bounds.Width - 1;
Assert.Equal (30, width + 1);
Assert.Equal (10, _textView.Height);
Assert.Equal ("TAB to jump between text fields.", _textView.Text);
var col = 0;
var leftCol = 0;
var tabWidth = _textView.TabWidth;
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.Tab, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
Assert.Equal (132, _textView.Text.Length);
while (col > 0) {
col--;
_textView.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
while (col < 100) {
col++;
_textView.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
Assert.Equal (new Point (col, 0), _textView.CursorPosition);
leftCol = GetLeftCol (leftCol);
Assert.Equal (leftCol, _textView.LeftColumn);
}
Application.Top.Remove (_textView);
Application.RequestStop ();
};
Application.Run ();
}
private int GetLeftCol (int start)
{
var lines = _textView.Text.Split (Environment.NewLine);
if (lines == null || lines.Length == 0) {
return 0;
}
if (start == _textView.LeftColumn) {
return start;
}
if (_textView.LeftColumn == _textView.CurrentColumn) {
return _textView.CurrentColumn;
}
var cCol = _textView.CurrentColumn;
var line = lines [_textView.CurrentRow];
var lCount = cCol > line.Length - 1 ? line.Length - 1 : cCol;
var width = _textView.Frame.Width;
var tabWidth = _textView.TabWidth;
var sumLength = 0;
var col = 0;
for (int i = lCount; i >= 0; i--) {
var r = line [i];
sumLength += Rune.ColumnWidth (r);
if (r == '\t') {
sumLength += tabWidth + 1;
}
if (sumLength > width) {
if (cCol == line.Length) {
col++;
}
break;
} else if (cCol < line.Length && col > 0 && start < cCol && col == start) {
break;
}
col = i;
}
return col;
}
[Fact]
public void LoadFile_Throws_If_File_Is_Null ()
{
var tv = new TextView ();
Assert.Throws<ArgumentNullException> (() => tv.LoadFile (null));
}
[Fact]
public void LoadFile_Throws_If_File_Is_Empty ()
{
var tv = new TextView ();
Assert.Throws<ArgumentException> (() => tv.LoadFile (""));
}
[Fact]
public void CloseFile_Throws_If_FilePath_Is_Null ()
{
var tv = new TextView ();
Assert.Throws<ArgumentNullException> (() => tv.CloseFile ());
}
}
}
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