Example #1
0
def test_keep_alive_argument(capture):
    from pybind11_tests import Parent, Child

    with capture:
        p = Parent()
    assert capture == "Allocating parent."
    with capture:
        p.addChild(Child())
        pytest.gc_collect()
    assert capture == """
        Allocating child.
        Releasing child.
    """
    with capture:
        del p
        pytest.gc_collect()
    assert capture == "Releasing parent."

    with capture:
        p = Parent()
    assert capture == "Allocating parent."
    with capture:
        p.addChildKeepAlive(Child())
        pytest.gc_collect()
    assert capture == "Allocating child."
    with capture:
        del p
        pytest.gc_collect()
    assert capture == """
Example #2
0
def test_keep_alive_argument(capture):
    from pybind11_tests import Parent, Child, ConstructorStats

    n_inst = ConstructorStats.detail_reg_inst()
    with capture:
        p = Parent()
    assert capture == "Allocating parent."
    with capture:
        p.addChild(Child())
        assert ConstructorStats.detail_reg_inst() == n_inst + 1
    assert capture == """
        Allocating child.
        Releasing child.
    """
    with capture:
        del p
        assert ConstructorStats.detail_reg_inst() == n_inst
    assert capture == "Releasing parent."

    with capture:
        p = Parent()
    assert capture == "Allocating parent."
    with capture:
        p.addChildKeepAlive(Child())
        assert ConstructorStats.detail_reg_inst() == n_inst + 2
    assert capture == "Allocating child."
    with capture:
        del p
        assert ConstructorStats.detail_reg_inst() == n_inst
    assert capture == """
def test_keep_alive_argument(capture):
    from pybind11_tests import Parent, Child, ConstructorStats

    n_inst = ConstructorStats.detail_reg_inst()
    with capture:
        p = Parent()
    assert capture == "Allocating parent."
    with capture:
        p.addChild(Child())
        assert ConstructorStats.detail_reg_inst() == n_inst + 1
    assert capture == """
        Allocating child.
        Releasing child.
    """
    with capture:
        del p
        assert ConstructorStats.detail_reg_inst() == n_inst
    assert capture == "Releasing parent."

    with capture:
        p = Parent()
    assert capture == "Allocating parent."
    with capture:
        p.addChildKeepAlive(Child())
        assert ConstructorStats.detail_reg_inst() == n_inst + 2
    assert capture == "Allocating child."
    with capture:
        del p
        assert ConstructorStats.detail_reg_inst() == n_inst
    assert capture == """
def test_keep_alive_argument(capture):
    from pybind11_tests import Parent, Child

    with capture:
        p = Parent()
    if capture != "Allocating parent.":
        raise AssertionError
    with capture:
        p.addChild(Child())
        pytest.gc_collect()
    if capture != """
        Allocating child.
        Releasing child.
    """:
        raise AssertionError
    with capture:
        del p
        pytest.gc_collect()
    if capture != "Releasing parent.":
        raise AssertionError

    with capture:
        p = Parent()
    if capture != "Allocating parent.":
        raise AssertionError
    with capture:
        p.addChildKeepAlive(Child())
        pytest.gc_collect()
    if capture != "Allocating child.":
        raise AssertionError
    with capture:
        del p
        pytest.gc_collect()
    if capture != """
        Releasing parent.
        Releasing child.
    """:
        raise AssertionError