From 444e535f000fd7b53dadf6726d5cd29ac34cc75f Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Thu, 23 Jul 2020 08:58:19 +0200 Subject: Add pybind11 2.5 source --- 3rdparty/pybind11/tests/test_call_policies.py | 187 ++++++++++++++++++++++++++ 1 file changed, 187 insertions(+) create mode 100644 3rdparty/pybind11/tests/test_call_policies.py (limited to '3rdparty/pybind11/tests/test_call_policies.py') diff --git a/3rdparty/pybind11/tests/test_call_policies.py b/3rdparty/pybind11/tests/test_call_policies.py new file mode 100644 index 00000000..7c835599 --- /dev/null +++ b/3rdparty/pybind11/tests/test_call_policies.py @@ -0,0 +1,187 @@ +import pytest +from pybind11_tests import call_policies as m +from pybind11_tests import ConstructorStats + + +def test_keep_alive_argument(capture): + n_inst = ConstructorStats.detail_reg_inst() + with capture: + p = m.Parent() + assert capture == "Allocating parent." + with capture: + p.addChild(m.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 = m.Parent() + assert capture == "Allocating parent." + with capture: + p.addChildKeepAlive(m.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 == """ + Releasing parent. + Releasing child. + """ + + +def test_keep_alive_return_value(capture): + n_inst = ConstructorStats.detail_reg_inst() + with capture: + p = m.Parent() + assert capture == "Allocating parent." + with capture: + p.returnChild() + 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 = m.Parent() + assert capture == "Allocating parent." + with capture: + p.returnChildKeepAlive() + 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 == """ + Releasing parent. + Releasing child. + """ + + +# https://bitbucket.org/pypy/pypy/issues/2447 +@pytest.unsupported_on_pypy +def test_alive_gc(capture): + n_inst = ConstructorStats.detail_reg_inst() + p = m.ParentGC() + p.addChildKeepAlive(m.Child()) + assert ConstructorStats.detail_reg_inst() == n_inst + 2 + lst = [p] + lst.append(lst) # creates a circular reference + with capture: + del p, lst + assert ConstructorStats.detail_reg_inst() == n_inst + assert capture == """ + Releasing parent. + Releasing child. + """ + + +def test_alive_gc_derived(capture): + class Derived(m.Parent): + pass + + n_inst = ConstructorStats.detail_reg_inst() + p = Derived() + p.addChildKeepAlive(m.Child()) + assert ConstructorStats.detail_reg_inst() == n_inst + 2 + lst = [p] + lst.append(lst) # creates a circular reference + with capture: + del p, lst + assert ConstructorStats.detail_reg_inst() == n_inst + assert capture == """ + Releasing parent. + Releasing child. + """ + + +def test_alive_gc_multi_derived(capture): + class Derived(m.Parent, m.Child): + def __init__(self): + m.Parent.__init__(self) + m.Child.__init__(self) + + n_inst = ConstructorStats.detail_reg_inst() + p = Derived() + p.addChildKeepAlive(m.Child()) + # +3 rather than +2 because Derived corresponds to two registered instances + assert ConstructorStats.detail_reg_inst() == n_inst + 3 + lst = [p] + lst.append(lst) # creates a circular reference + with capture: + del p, lst + assert ConstructorStats.detail_reg_inst() == n_inst + assert capture == """ + Releasing parent. + Releasing child. + Releasing child. + """ + + +def test_return_none(capture): + n_inst = ConstructorStats.detail_reg_inst() + with capture: + p = m.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 = m.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." + + +def test_keep_alive_constructor(capture): + n_inst = ConstructorStats.detail_reg_inst() + + with capture: + p = m.Parent(m.Child()) + assert ConstructorStats.detail_reg_inst() == n_inst + 2 + assert capture == """ + Allocating child. + Allocating parent. + """ + with capture: + del p + assert ConstructorStats.detail_reg_inst() == n_inst + assert capture == """ + Releasing parent. + Releasing child. + """ + + +def test_call_guard(): + assert m.unguarded_call() == "unguarded" + assert m.guarded_call() == "guarded" + + assert m.multiple_guards_correct_order() == "guarded & guarded" + assert m.multiple_guards_wrong_order() == "unguarded & guarded" + + if hasattr(m, "with_gil"): + assert m.with_gil() == "GIL held" + assert m.without_gil() == "GIL released" -- cgit v1.2.3