public static IEnumerable <object[]> GetBreakTestCases()
{
return(new[]
{
GenerateTestCases("Pln Text"),
GenerateTestCases("AB జోCD"),
GenerateTestCases("Abజో Tt"),
GenerateTestCases("Ab జో Tt"),
}.SelectMany(it => it));
IEnumerable <object[]> GenerateTestCases(string testString)
{
var graphemes = GraphemeHelper.GetGraphemes(testString).ToArray();
for (int i = 0; i < graphemes.Length; i++)
{
var left = string.Join("", graphemes.Take(i));
var right = string.Join("", graphemes.Skip(i));
yield return(new object[]
{
left + right,
i,
left,
right
});
}
}
}
public void VerifyGraphemeHelperLength(int index, int expectedLength)
{
var text = "a\u0304\u0308bc\u0327";
int length = GraphemeHelper.GetGraphemeLength(text, index);
DidYouKnow.That(length).Should().Be(expectedLength);
}
public static IEnumerable <object[]> DeleteCharacterTestCases()
{
string text = "TheజోWord";
var graphemes = GraphemeHelper.GetGraphemes(text).ToArray();
// we start at 0 and go up to length (but not including) because we're deleting the next
// character.
for (int i = 0; i < graphemes.Length; i++)
{
var deleteIndex = i;
var expected = string.Join("", graphemes.Where((_, index) => index != deleteIndex));
yield return(new object[]
{
text,
deleteIndex,
expected
});
}
}
