| import pytest |
| |
| |
| 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 == """ |
| Releasing parent. |
| Releasing child. |
| """ |
| |
| |
| def test_keep_alive_return_value(capture): |
| from pybind11_tests import Parent |
| |
| with capture: |
| p = Parent() |
| assert capture == "Allocating parent." |
| with capture: |
| p.returnChild() |
| 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.returnChildKeepAlive() |
| pytest.gc_collect() |
| assert capture == "Allocating child." |
| with capture: |
| del p |
| pytest.gc_collect() |
| assert capture == """ |
| Releasing parent. |
| Releasing child. |
| """ |
| |
| |
| 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." |
| |
| |
| def test_call_guard(): |
| from pybind11_tests import call_policies |
| |
| assert call_policies.unguarded_call() == "unguarded" |
| assert call_policies.guarded_call() == "guarded" |
| |
| assert call_policies.multiple_guards_correct_order() == "guarded & guarded" |
| assert call_policies.multiple_guards_wrong_order() == "unguarded & guarded" |
| |
| if hasattr(call_policies, "with_gil"): |
| assert call_policies.with_gil() == "GIL held" |
| assert call_policies.without_gil() == "GIL released" |