public void TestIsLowSurrogate() { if (UChar .IsLowSurrogate((char)(UChar.MinLowSurrogate - 1))) { Errln("0xdbff"); } if (!UChar.IsLowSurrogate(UChar.MinLowSurrogate)) { Errln("0xdc00"); } if (!UChar.IsLowSurrogate(UChar.MaxLowSurrogate)) { Errln("0xdfff"); } if (UChar .IsLowSurrogate((char)(UChar.MaxLowSurrogate + 1))) { Errln("0xe000"); } }