def test_disabled_ops():
    for opcode in ScriptInterpreter.DISABLED_OPS:
        si = ScriptInterpreter()
        si.run_script(Script("OP_1 " + opcode + " OP_2"))

        assert not si.valid
        assert list(si.stack) == [1]

def test_op_return():
    s = Script("OP_RETURN 0x010203")

    si = ScriptInterpreter()
    si.run_script(s)

    assert si.stop
    assert len(si.stack) == 0

def test_op_2swap():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_6 OP_2SWAP")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 6
    assert list(si.stack) == [1, 2, 5, 6, 3, 4]

def test_op_2rot():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_6 OP_2ROT")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 6
    assert list(si.stack) == [3, 4, 5, 6, 1, 2]

def test_op_sha256():
    s = Script("0x01 OP_SHA256")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert si.stack[0] == b'K\xf5\x12/4ET\xc5;\xde.\xbb\x8c\xd2\xb7\xe3\xd1`\n\xd61\xc3\x85\xa5\xd7\xcc\xe2<w\x85E\x9a'

def test_op_0():
    s = Script("OP_0")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert si.stack[0] == b''

def test_op_size():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 0x010203 OP_SIZE")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 7
    assert list(si.stack) == [1, 2, 3, 4, 5, b'\x01\x02\x03', 3]

def test_op_abs():
    s = Script("OP_3 OP_NEGATE OP_ABS")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert list(si.stack) == [3]

def test_op_add():
    s = Script("OP_1 OP_2 OP_ADD")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert list(si.stack) == [3]

def test_op_nip():
    s = Script("OP_1 OP_2 OP_3 OP_NIP")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 2
    assert list(si.stack) == [1, 3]

def test_op_1sub():
    s = Script("OP_3 OP_1SUB")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert list(si.stack) == [2]

def test_op_hash160():
    s = Script("0x01 OP_HASH160")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert si.stack[0] == b'\xc5\x1bf\xbc\xed^D\x91\x00\x1b\xd7\x02f\x97p\xdc\xcfD\t\x82'

def test_op_sha1():
    s = Script("0x01 OP_SHA1")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert si.stack[0] == b'\xbf\x8bE0\xd8\xd2F\xddt\xacS\xa14q\xbb\xa1yA\xdf\xf7'

def test_op_3dup():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_3DUP")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 8
    assert list(si.stack) == [1, 2, 3, 4, 5, 3, 4, 5]

def test_op_2over():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_2OVER")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 7
    assert list(si.stack) == [1, 2, 3, 4, 5, 2, 3]

def test_op_2drop():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_2DROP")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 3
    assert list(si.stack) == [1, 2, 3]

def test_op_tuck():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_TUCK")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 6
    assert list(si.stack) == [1, 2, 3, 5, 4, 5]

def test_op_rot():
    s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_ROT")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 5
    assert list(si.stack) == [1, 2, 4, 5, 3]

def test_op_1negate():
    s = Script("OP_1NEGATE")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert si.stack[0] == -1

def test_op_drop():
    s = Script("OP_1 OP_IFDUP OP_DROP")

    si = ScriptInterpreter()
    si.run_script(s)

    assert len(si.stack) == 1
    assert list(si.stack) == [1]