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 == """
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