public void AddPaddingByteTest() { var input1 = new byte[] { 129, 56, 0, 36 }; var expected1 = new byte[] { 0, 129, 56, 0, 36 }; var actual1 = ByteManipulator.AddPaddingByte(input1); Assert.AreEqual(expected1.Length, actual1.Length); Assert.IsTrue(actual1[0] == 0); var input2 = new byte[] { 127, 56, 0, 36 }; var expected2 = new byte[] { 127, 56, 0, 36 }; var actual2 = ByteManipulator.AddPaddingByte(input2); Assert.AreEqual(expected1.Length, actual1.Length); Assert.IsTrue(actual2[0] == 127); }