# mode: run

# tag: cpp, werror

cdef extern from "shapes.h" namespace "shapes":

    cdef cppclass Shape:

        float area()

    cdef cppclass Circle(Shape):

        int radius

        Circle(int)

    cdef cppclass Square(Shape):

        Square(int)

from cython cimport typeof

from cython.operator cimport dereference as d

from cython.operator cimport preincrement as incr

from libcpp.vector cimport vector

def test_reversed_vector_iteration(L):

    """

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

    int: 3

    int: 2

    int: 1

    int

    """

    cdef vector[int] v = L

    it = v.rbegin()

    while it != v.rend():

        a = d(it)

        incr(it)

        print('%s: %s' % (typeof(a), a))

    print(typeof(a))

def test_derived_types(int size, bint round):

    """

    >>> test_derived_types(5, True)

    Shape *

    >>> test_derived_types(5, False)

    Shape *

    """

    if round:

        ptr = new Circle(size)

    else:

        ptr = new Square(size)

    print typeof(ptr)

    del ptr