Python Parent.returnNullChildKeepAliveChild Examples

Example #1

def test_return_none(capture):
    from pybind11_tests import Parent

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

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

Example #2

def test_return_none(capture):
    from pybind11_tests import Parent, ConstructorStats

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

Example #3

File: test_keep_alive.py Project: dlminvestments/coremltools

def test_return_none(capture):
    from pybind11_tests import Parent

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

Example #4

File: test_call_policies.py Project: HDembinski/pybind11

def test_return_none(capture):
    from pybind11_tests import Parent, ConstructorStats

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