public void TryCreateLineNegative()
{
Create("cat");
var column = SnapshotColumn.GetForLineAndColumnNumber(_textBuffer.CurrentSnapshot, -1, -1, FSharpOption.False);
Assert.True(column.IsNone());
}
public void TryCreateColumnSimple()
{
Create("cat");
var column = SnapshotColumn.GetForLineAndColumnNumber(_textBuffer.CurrentSnapshot, lineNumber: 0, columnNumber: 1, includeLineBreak: FSharpOption.False);
Assert.True(column.IsSome(x => x.IsCharacter('a')));
}
public void AtEnd()
{
Create("dog", "cat");
var column = SnapshotOverlapColumn.GetColumnForSpaces(_textBuffer.GetLine(1), spaces: 3, tabStop: 4);
AssertColumn(column, expected: SnapshotColumn.GetEndColumn(_textBuffer.CurrentSnapshot), spacesBefore: 0, spacesAfter: 0);
}
public void ToLineBreak()
{
Create("cat", "dog");
var column = new SnapshotColumn(_textBuffer.GetPointInLine(line: 0, column: 2));
var next = column.TryAddInLine(1);
Assert.True(next.IsNone());
}
public void TrySubtractInSameLineStartOfBuffer()
{
Create("cat", "dog");
var column = new SnapshotColumn(_textBuffer.GetStartPoint());
var previous = column.TrySubtractInLine(1);
Assert.True(previous.IsNone());
}
public void ToLineBreakWhenAllowed()
{
Create("cat", "dog");
var column = new SnapshotColumn(_textBuffer.GetPointInLine(line: 0, column: 2));
var next = column.TryAddInLine(1, includeLineBreak: FSharpOption.True);
Assert.True(next.IsSome(x => x.IsLineBreak));
}
public void SecondPositionOfLineBreak()
{
Create("cat", "dog");
var point = _textBuffer.GetPoint(4);
var column = new SnapshotColumn(point);
Assert.True(column.StartPoint.Position == 3);
}
public void SubtractBeforeLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumn(_textBuffer.GetLine(1).Start);
var column = original.Subtract(3);
Assert.Equal(2, column.Column);
Assert.Equal(0, column.LineNumber);
}
public void EmptyLineAtEnd()
{
Create("cat", "");
var point = _textBuffer.GetPointInLine(line: 1, column: 0);
var column = new SnapshotColumn(point);
Assert.True(column.StartPoint.Position == _textBuffer.CurrentSnapshot.Length);
}
public void EndPoint()
{
Create("cat");
var point = _textBuffer.GetEndPoint();
var column = new SnapshotColumn(point);
Assert.True(column.StartPoint.Position == _textBuffer.CurrentSnapshot.Length);
}
public void AddNextLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumn(_textBuffer.GetPoint(0));
var column = original.Add(5);
Assert.Equal(0, column.Column);
Assert.Equal(1, column.LineNumber);
}
public void SubtractSameLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumn(_textBuffer.GetPoint(1));
var column = original.Subtract(1);
Assert.Equal(0, column.Column);
Assert.Equal(0, column.LineNumber);
}
public void AddNextLine(string lineBreakText)
{
CreateRaw("cat" + lineBreakText + "dog" + lineBreakText + "fish");
var original = new SnapshotColumn(_textBuffer.GetPoint(0));
var column = original.Add(4);
Assert.Equal(0, column.ColumnNumber);
Assert.Equal(1, column.LineNumber);
}
public void PointSimple()
{
Create("cat", "dog");
var point = _textBuffer.GetPoint(1);
var column = new SnapshotColumn(point);
Assert.Equal(0, column.LineNumber);
Assert.Equal(1, column.Column);
Assert.False(column.IsInsideLineBreak);
}
public void SubtractBeforeLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumn(_textBuffer.GetLine(1).Start);
var column = original.Subtract(3);
Assert.Equal(2, column.Column);
Assert.Equal(0, column.LineNumber);
}
public void AddNextLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumn(_textBuffer.GetPoint(0));
var column = original.Add(5);
Assert.Equal(0, column.Column);
Assert.Equal(1, column.LineNumber);
}
public void SubtractSameLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumn(_textBuffer.GetPoint(1));
var column = original.Subtract(1);
Assert.Equal(0, column.Column);
Assert.Equal(0, column.LineNumber);
}
public void EndPoint()
{
Create("cat");
var point = _textBuffer.GetEndPoint();
var column = new SnapshotColumn(point);
Assert.True(column.IsEndColumn);
Assert.False(column.IsLineBreak);
}
public void SubtractBeforeLine(string lineBreakText)
{
CreateRaw("cat" + lineBreakText + "dog" + lineBreakText + "fish");
var original = new SnapshotColumn(_textBuffer.GetLine(1).Start);
var column = original.Subtract(2);
Assert.Equal(2, column.ColumnNumber);
Assert.Equal(0, column.LineNumber);
}
public void EmptyLineIsLineBreak()
{
Create("", "dog");
var column = SnapshotColumn.GetForLineAndColumnNumber(_textBuffer.CurrentSnapshot, lineNumber: 0, columnNumber: 0, includeLineBreak: FSharpOption.False);
Assert.True(column.IsNone());
column = SnapshotColumn.GetForLineAndColumnNumber(_textBuffer.CurrentSnapshot, lineNumber: 0, columnNumber: 0, includeLineBreak: FSharpOption.True);
Assert.True(column.IsSome(x => x.IsLineBreak));
}
public void PointSimple()
{
Create("cat", "dog");
var point = _textBuffer.GetPoint(1);
var column = new SnapshotColumn(point);
Assert.Equal(0, column.LineNumber);
Assert.Equal(1, column.ColumnNumber);
Assert.False(column.IsLineBreak);
}
public void TrySubtractInSameLineBetweenLines()
{
Create("cat", "dog");
var column = new SnapshotColumn(_textBuffer.GetPointInLine(line: 1, column: 1));
var previous = column.TrySubtractInLine(1);
Assert.True(previous.IsSome(c => c.IsCharacter('d')));
previous = previous.Value.TrySubtractInLine(1);
Assert.True(previous.IsNone());
}
public void EndPoint()
{
Create("cat", "dog");
var column = new SnapshotColumn(_textBuffer.GetPointInLine(line: 1, column: 2));
var next = column.TryAddInLine(1, includeLineBreak: FSharpOption.True);
Assert.True(next.IsSome(x => x.IsEndColumn));
next = column.TryAddInLine(1, includeLineBreak: FSharpOption.False);
Assert.True(next.IsSome(x => x.IsEndColumn));
}
public void PointInsideLineBreak()
{
Create("cat", "dog");
var point = _textBuffer.GetPoint(_textBuffer.GetLine(0).End);
var column = new SnapshotColumn(point);
Assert.Equal(0, column.LineNumber);
Assert.Equal(3, column.ColumnNumber);
Assert.True(column.IsLineBreak);
Assert.Equal("cat", column.Line.GetText());
}
public void AddManyLines(string lineBreakText)
{
var letters = CharUtil.LettersLower.Select(x => x.ToString()).ToArray();
var content = string.Join(lineBreakText, letters);
CreateRaw(content);
var point = new SnapshotColumn(_textBuffer.GetPoint(0));
for (var i = 0; i < letters.Length; i++)
{
Assert.Equal(letters[i], point.GetText());
if (i + 1 < letters.Length)
{
point = point.Add(1);
Assert.True(point.IsLineBreak);
point = point.Add(1);
}
}
}
public void SubtractManyLines(string lineBreakText)
{
var letters = CharUtil.LettersLower.Select(x => x.ToString()).ToArray();
var content = string.Join(lineBreakText, letters);
CreateRaw(content);
var i = letters.Length - 2;
var point = new SnapshotColumn(_textBuffer.GetEndPoint());
point = point.Subtract(2);
while (!point.IsStartColumn)
{
Assert.True(point.IsLineBreak);
point = point.Subtract(1);
Assert.Equal(letters[i], point.GetText());
if (!point.IsStartColumn)
{
point = point.Subtract(1);
i--;
}
}
}
public void PointInsideLineBreak()
{
Create("cat", "dog");
var point = _textBuffer.GetPoint(_textBuffer.GetLine(0).End);
var column = new SnapshotColumn(point);
Assert.Equal(0, column.LineNumber);
Assert.Equal(3, column.Column);
Assert.True(column.IsInsideLineBreak);
Assert.Equal("cat", column.Line.GetText());
}
