# mode: run

# tag: dealloc

import gc

import sys

test_results = []

cdef void add_name(obj):

    name = type(obj).__name__.rsplit('.', 1)[-1]

    test_results.append(name)

def find_name(exttype):

    name = exttype.__name__.rsplit('.', 1)[-1]

    return test_results.count(name)

cdef class ExtTypeSimple:

    """

    >>> obj = ExtTypeSimple()

    >>> find_name(ExtTypeSimple)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(ExtTypeSimple)

    1

    """

    cdef int x

    def __dealloc__(self):

        add_name(self)

        self.x = 0

class PySubTypeSimple(ExtTypeSimple):

    """

    >>> obj = PySubTypeSimple()

    >>> find_name(PySubTypeSimple)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(PySubTypeSimple)

    1

    """

class PySubTypeDel(ExtTypeSimple):

    """

    >>> obj = PySubTypeDel()

    >>> find_name(PySubTypeDel)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(PySubTypeDel)

    2

    """

    def __del__(self):

        add_name(self)

cdef class ExtSubTypeObjAttr(ExtTypeSimple):

    """

    >>> obj = ExtSubTypeObjAttr()

    >>> find_name(ExtSubTypeObjAttr)

    0

    >>> obj = None

    >>> _ = gc.collect()

    # both this type and the base class add the same name

    >>> find_name(ExtSubTypeObjAttr)

    2

    """

    cdef object attr

    def __dealloc__(self):

        add_name(self)

        self.x = 1

cdef class ExtTypeRaise:

    """

    >>> obj = ExtTypeRaise()

    >>> find_name(ExtTypeRaise)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(ExtTypeRaise)

    1

    """

    def __dealloc__(self):

        add_name(self)

        raise RuntimeError("HUHU !")

class PySubTypeRaise(ExtTypeRaise):

    """

    >>> obj = PySubTypeRaise()

    >>> obj.ref = obj

    >>> find_name(PySubTypeRaise)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(PySubTypeRaise)

    1

    """

cdef class ExtTypeRefCycle:

    """

    >>> obj = ExtTypeRefCycle()

    >>> obj.ref = obj

    >>> find_name(ExtTypeRefCycle)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(ExtTypeRefCycle)

    1

    """

    cdef public object ref

    cdef int x

    def __dealloc__(self):

        add_name(self)

        self.x = 1

class PySubTypeRefCycleDel(ExtTypeRefCycle):

    """

    >>> obj = PySubTypeRefCycleDel()

    >>> obj.ref = obj

    >>> find_name(PySubTypeRefCycleDel)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> count = 2

    >>> if sys.version_info >= (3, 4):

    ...     count = find_name(PySubTypeRefCycleDel)

    >>> count

    2

    """

    def __del__(self):

        add_name(self)

cdef class ExtTypeRefCycleRaise:

    """

    >>> obj = ExtTypeRefCycleRaise()

    >>> obj.ref = obj

    >>> find_name(ExtTypeRefCycleRaise)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(ExtTypeRefCycleRaise)

    1

    """

    cdef public object ref

    def __dealloc__(self):

        add_name(self)

        raise RuntimeError("Cleaning up !")

class PySubTypeRefCycleRaise(ExtTypeRefCycleRaise):

    """

    >>> obj = PySubTypeRefCycleRaise()

    >>> obj.ref = obj

    >>> find_name(PySubTypeRefCycleRaise)

    0

    >>> obj = None

    >>> _ = gc.collect()

    >>> find_name(PySubTypeRefCycleRaise)

    1

    """