public void SubtractPastStart()
{
Create("cat", "dog");
var column = VirtualSnapshotColumn.GetForColumnNumber(_textBuffer.GetLine(0), 0);
Assert.Throws <ArgumentException>(() => column.SubtractInLine(1));
}
public void Simple()
{
Create("cat", "dog");
var column = VirtualSnapshotColumn.GetForColumnNumber(_textBuffer.GetLine(0), 3);
Assert.Equal(0, column.VirtualSpaces);
Assert.True(column.Column.IsLineBreak);
}
public void EndBig()
{
Create("cat", "dog");
var column = VirtualSnapshotColumn.GetForColumnNumber(_textBuffer.GetLine(0), 10);
Assert.Equal(3, column.VirtualStartPoint.Position);
Assert.Equal(7, column.VirtualSpaces);
Assert.True(column.IsInVirtualSpace);
}
public void Middle()
{
Create("cat", "dog");
var column = VirtualSnapshotColumn.GetForColumnNumber(_textBuffer.GetLine(0), 1);
Assert.Equal(1, column.VirtualStartPoint.Position);
Assert.Equal(0, column.VirtualSpaces);
Assert.False(column.IsInVirtualSpace);
}
public void SimpleBlankLine()
{
Create("", "dog");
var column = VirtualSnapshotColumn.GetColumnForSpaces(_textBuffer.GetLine(0), spaces: 0, TabStop);
Assert.True(column.Column.IsLineBreak);
Assert.False(column.IsInVirtualSpace);
Assert.Equal(0, column.VirtualSpaces);
}
public void GiantAdd()
{
Create("cat", "dog");
var column = VirtualSnapshotColumn.GetForColumnNumber(_textBuffer.GetLine(0), 3);
Assert.True(column.Column.IsLineBreak);
column = column.AddInLine(300);
Assert.True(column.IsInVirtualSpace);
Assert.Equal(300, column.VirtualSpaces);
}
public void SimpleSubtract()
{
Create("cat", "dog");
var column = VirtualSnapshotColumn.GetForColumnNumber(_textBuffer.GetLine(0), 4);
Assert.True(column.Column.IsLineBreak);
Assert.True(column.IsInVirtualSpace);
column = column.SubtractInLine(1);
Assert.False(column.IsInVirtualSpace);
Assert.Equal(0, column.VirtualSpaces);
}
