public void LineIndexContainingOffsetOutsideOfText(string text)
{
var lines = new TextLines(text);
Assert.Throws <ArgumentOutOfRangeException>(() => lines.LineIndexContainingOffset(-5));
Assert.Throws <ArgumentOutOfRangeException>(() => lines.LineIndexContainingOffset(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => lines.LineIndexContainingOffset(text.Length + 1));
Assert.Throws <ArgumentOutOfRangeException>(() => lines.LineIndexContainingOffset(text.Length + 42));
}
[InlineData(TwoLines, 12, 1)] // End
public void LineIndexContainingOffsetInText(string text, int charOffset, int expectedLine)
{
var lines = new TextLines(text);
var line = lines.LineIndexContainingOffset(charOffset);
Assert.Equal(expectedLine, line);
}