public void GetSubstring_WholeRun_ReturnsCorrectString()
{
TsString tss = CreateTwoRunString();
ITsString substring = tss.GetSubstring(tss.get_MinOfRun(1), tss.get_LimOfRun(1));
Assert.That(substring.Text, Is.EqualTo(SpanishText));
Assert.That(substring.RunCount, Is.EqualTo(1));
Assert.That(substring.get_LimOfRun(0), Is.EqualTo(substring.Length));
Assert.That(substring.get_WritingSystem(0), Is.EqualTo(SpanishWS));
}
public void GetSubstring_PartialRun_ReturnsCorrectString()
{
TsString tss = CreateTwoRunString();
ITsString substring = tss.GetSubstring(tss.get_MinOfRun(1) + 1, tss.get_LimOfRun(1) - 1);
Assert.That(substring.Text, Is.EqualTo("Esto es una prueba"));
Assert.That(substring.RunCount, Is.EqualTo(1));
Assert.That(substring.get_LimOfRun(0), Is.EqualTo(substring.Length));
Assert.That(substring.get_WritingSystem(0), Is.EqualTo(SpanishWS));
}
public void GetSubstring_PartOfTwoRuns_ReturnsCorrectString()
{
TsString tss = CreateTwoRunString();
ITsString substring = tss.GetSubstring(7, 28);
Assert.That(substring.Text, Is.EqualTo(" a test! ¡Esto es una"));
Assert.That(substring.RunCount, Is.EqualTo(2));
Assert.That(substring.get_WritingSystem(0), Is.EqualTo(EnglishWS));
Assert.That(substring.get_LimOfRun(0), Is.EqualTo(9));
Assert.That(substring.get_WritingSystem(1), Is.EqualTo(SpanishWS));
}
public void GetSubstring_IchMinGreaterThanIchLim_Throws()
{
TsString tss = CreateTwoRunString();
Assert.That(() => tss.GetSubstring(25, 24), Throws.InstanceOf <ArgumentOutOfRangeException>());
}
public void GetSubstring_WholeString_ReturnsSameString()
{
TsString tss = CreateOneRunString();
Assert.That(tss.GetSubstring(0, tss.Length), Is.EqualTo(tss));
}
