public static void Normalize(string utf16Source, string utf16Expected, NormalizationForm normalizationForm)
{
Utf8String utf8Source = u8(utf16Source);
// Quick IsNormalized tests
Assert.Equal(utf16Source == utf16Expected, utf8Source.IsNormalized(normalizationForm));
// Normalize and return new Utf8String instances
Utf8String utf8Normalized = utf8Source.Normalize(normalizationForm);
Assert.True(Utf8String.AreEquivalent(utf8Normalized, utf16Expected));
}