public void ToDigit() { Assert.AreEqual(CharBuffer.ToDigit('0'), 0); Assert.AreEqual(CharBuffer.ToDigit('1'), 1); Assert.AreEqual(CharBuffer.ToDigit('2'), 2); Assert.AreEqual(CharBuffer.ToDigit('3'), 3); Assert.AreEqual(CharBuffer.ToDigit('4'), 4); Assert.AreEqual(CharBuffer.ToDigit('5'), 5); Assert.AreEqual(CharBuffer.ToDigit('6'), 6); Assert.AreEqual(CharBuffer.ToDigit('7'), 7); Assert.AreEqual(CharBuffer.ToDigit('8'), 8); Assert.AreEqual(CharBuffer.ToDigit('9'), 9); }