public void LengthTest()
{
Assert.Equal(Encoding.UTF8.GetByteCount(ENGLISH_SENTENCE_1), (int)StringClass.GetLength(ENGLISH_SENTENCE_1));
Assert.Equal(Encoding.UTF8.GetByteCount(ENGLISH_SENTENCE_2), (int)StringClass.GetLength(ENGLISH_SENTENCE_2));
Assert.Equal(Encoding.UTF8.GetByteCount(FRENCH_SENTENCE_1), (int)StringClass.GetLength(FRENCH_SENTENCE_1));
Assert.Equal(Encoding.UTF8.GetByteCount(FRENCH_SENTENCE_2), (int)StringClass.GetLength(FRENCH_SENTENCE_2));
}