# ticket: 467

def simple_parallel_assignment_from_call():

    """

    >>> simple_parallel_assignment_from_call()

    (2, 1, 2, 1, 2, 1, 2, [1, 2], [1, 2])

    """

    cdef int ai, bi

    cdef long al, bl

    cdef object ao, bo

    reset()

    ai, bi = al, bl = ao, bo = c = d = [intval(1), intval(2)]

    return call_count, ao, bo, ai, bi, al, bl, c, d

def recursive_parallel_assignment_from_call_left():

    """

    >>> recursive_parallel_assignment_from_call_left()

    (3, 1, 2, 3, 1, 2, 3, (1, 2), 3, [(1, 2), 3])

    """

    cdef int ai, bi, ci

    cdef object ao, bo, co

    reset()

    (ai, bi), ci = (ao, bo), co = t,o = d = [(intval(1), intval(2)), intval(3)]

    return call_count, ao, bo, co, ai, bi, ci, t, o, d

def recursive_parallel_assignment_from_call_right():

    """

    >>> recursive_parallel_assignment_from_call_right()

    (3, 1, 2, 3, 1, 2, 3, 1, (2, 3), [1, (2, 3)])

    """

    cdef int ai, bi, ci

    cdef object ao, bo, co

    reset()

    ai, (bi, ci) = ao, (bo, co) = o,t = d = [intval(1), (intval(2), intval(3))]

    return call_count, ao, bo, co, ai, bi, ci, o, t, d

def recursive_parallel_assignment_from_call_left_reversed():

    """

    >>> recursive_parallel_assignment_from_call_left_reversed()

    (3, 1, 2, 3, 1, 2, 3, (1, 2), 3, [(1, 2), 3])

    """

    cdef int ai, bi, ci

    cdef object ao, bo, co

    reset()

    d = t,o = (ao, bo), co = (ai, bi), ci = [(intval(1), intval(2)), intval(3)]

    return call_count, ao, bo, co, ai, bi, ci, t, o, d

def recursive_parallel_assignment_from_call_right_reversed():

    """

    >>> recursive_parallel_assignment_from_call_right_reversed()

    (3, 1, 2, 3, 1, 2, 3, 1, (2, 3), [1, (2, 3)])

    """

    cdef int ai, bi, ci

    cdef object ao, bo, co

    reset()

    d = o,t = ao, (bo, co) = ai, (bi, ci) = [intval(1), (intval(2), intval(3))]

    return call_count, ao, bo, co, ai, bi, ci, o, t, d

cdef int call_count = 0

cdef int next_expected_arg = 1

cdef reset():

    global call_count, next_expected_arg

    call_count = 0

    next_expected_arg = 1

cdef int intval(int x) except -1:

    global call_count, next_expected_arg

    call_count += 1

    assert next_expected_arg == x, "calls not in source code order: expected %d, found %d" % (next_expected_arg, x)

    next_expected_arg += 1

    return x