public void SubtractBeforeLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumnLegacy(_textBuffer.GetLine(1).Start);
var column = original.Subtract(3);
Assert.Equal(2, column.Column);
Assert.Equal(0, column.LineNumber);
}
public void SubtractSameLine()
{
Create("cat", "dog", "fish");
var original = new SnapshotColumnLegacy(_textBuffer.GetPoint(1));
var column = original.Subtract(1);
Assert.Equal(0, column.Column);
Assert.Equal(0, column.LineNumber);
}