public void PartialSelectionInvalidForward()
{
// Pre-conditions...
Assert.AreEqual(0, textCore.SelectionStart.X);
Assert.AreEqual(0, textCore.SelectionStart.Y);
Assert.AreEqual(0, textCore.SelectionEnd.X);
Assert.AreEqual(0, textCore.SelectionEnd.Y);
int startColumn = -100;
int startLine = -100;
int endColumn = 1000;
int endLine = 1000;
textCore.SelectPartial(startColumn, startLine, endColumn, endLine);
// Post-conditions...
Assert.AreEqual(0, textCore.SelectionStart.X);
Assert.AreEqual(0, textCore.SelectionStart.Y);
Assert.AreEqual(6, textCore.SelectionEnd.X);
Assert.AreEqual(3, textCore.SelectionEnd.Y);
Assert.AreEqual(6, textCore.CursorPosition.X);
Assert.AreEqual(3, textCore.CursorPosition.Y);
}