test_extension.py 文件源码

def test_pack_ext_type():
    def p(s):
        packer = msgpack.Packer()
        packer.pack_ext_type(0x42, s)
        return packer.bytes()
    assert p(b'A')        == b'\xd4\x42A'          # fixext 1
    assert p(b'AB')       == b'\xd5\x42AB'         # fixext 2
    assert p(b'ABCD')     == b'\xd6\x42ABCD'       # fixext 4
    assert p(b'ABCDEFGH') == b'\xd7\x42ABCDEFGH'   # fixext 8
    assert p(b'A'*16)     == b'\xd8\x42' + b'A'*16 # fixext 16
    assert p(b'ABC')      == b'\xc7\x03\x42ABC'        # ext 8
    assert p(b'A'*0x0123)     == b'\xc8\x01\x23\x42' + b'A'*0x0123 # ext 16
    assert p(b'A'*0x00012345) == b'\xc9\x00\x01\x23\x45\x42' + b'A'*0x00012345 # ext 32