public void NextLineEndPosition_InputTextNull_ThrowsArgumentNullException()
{
string inputText = null;
const int startIndex = -1;
Assert.That(() => NewLineManager.NextLineEndPosition(inputText, startIndex), Throws.InstanceOf <ArgumentNullException>());
}
public void NextLineEndPosition_GivenStartIndex_ReturnsCorrectPosition(string inputText, int startIndex, int expectedPosition)
{
var actual = NewLineManager.NextLineEndPosition(inputText, startIndex);
Assert.That(actual, Is.EqualTo(expectedPosition));
}
