public void Calculate_cursor_position_from_index()
{
/*
* 01234
* 0 ab_cd
* 1 efg
* 2 hijkl
* 3 mn op
* 4 qrst
*/
var sut = new LineEditor("ab cd efg hijklmn op qrst", 5);
var position = sut.GetSoftPosition(0); // before "a"
Assert.AreEqual((0, 0), position);
position = sut.GetSoftPosition(4); // before "d"
Assert.AreEqual((0, 4), position);
position = sut.GetSoftPosition(5); // after "d"
Assert.AreEqual((0, 5), position);
position = sut.GetSoftPosition(6); // before "e"
Assert.AreEqual((1, 0), position);
position = sut.GetSoftPosition(18); // before "o"
Assert.AreEqual((3, 3), position);
position = sut.GetSoftPosition(99); // far after "t"
Assert.AreEqual((4, 4), position);
}
