1 Test #1 mask == 0, value == ~0 --> cc == 0 2 OK 3 Test #2 mask == 0xFF, value == 0 --> cc == 0 4 OK 5 Test #3 mask == 0xFF, value == 0xFF --> cc == 3 6 OK 7 Test #4 mask == 0x80, value == 0x80 --> cc == 3 8 OK 9 Test #5 mask == 0xF0, value == 0x90 --> cc == 1 10 OK 11 Test #6 mask == 0xF0, value == 0x30 --> cc == 1 12 OK 13