mirror of
https://github.com/pybind/pybind11.git
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38370a87f4
* Added guards to the includes Added new CI config Added new trigger Changed CI workflow name Debug CI Debug CI Debug CI Debug CI Added flags fro PGI Disable Eigen Removed tests that fail Uncomment lines * fix: missing include fix: minor style cleanup tests: support skipping ci: remove and tighten a bit fix: try msvc workaround for pgic * tests: split up prealoc tests * fix: PGI compiler fix * fix: PGI void_t only * fix: try to appease nvcc * ci: better ordering for slow tests * ci: minor improvements to testing * ci: Add NumPy to testing * ci: Eigen generates CUDA warnings / PGI errors * Added CentOS7 back for a moment * Fix YAML * ci: runs-on missing * centos7 is missing pytest * ci: use C++11 on CentOS 7 * ci: test something else * Try just adding flags on CentOS 7 * fix: CentOS 7 * refactor: move include to shared location * Added verbose flag * Try to use system cmake3 on CI * Try to use system cmake3 on CI, attempt2 * Try to use system cmake3 on CI, attempt3 * tests: not finding pytest should be a warning, not a fatal error * tests: cleanup * Weird issue? * fix: final polish Co-authored-by: Andrii Verbytskyi <andrii.verbytskyi@mpp.mpg.de> Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com> Co-authored-by: Andrii Verbytskyi <averbyts@cern.ch>
292 lines
9.1 KiB
Python
292 lines
9.1 KiB
Python
# -*- coding: utf-8 -*-
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import pytest
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m = pytest.importorskip("pybind11_tests.smart_ptr")
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from pybind11_tests import ConstructorStats # noqa: E402
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def test_smart_ptr(capture):
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# Object1
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for i, o in enumerate([m.make_object_1(), m.make_object_2(), m.MyObject1(3)], start=1):
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assert o.getRefCount() == 1
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with capture:
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m.print_object_1(o)
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m.print_object_2(o)
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m.print_object_3(o)
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m.print_object_4(o)
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assert capture == "MyObject1[{i}]\n".format(i=i) * 4
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for i, o in enumerate([m.make_myobject1_1(), m.make_myobject1_2(), m.MyObject1(6), 7],
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start=4):
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print(o)
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with capture:
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if not isinstance(o, int):
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m.print_object_1(o)
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m.print_object_2(o)
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m.print_object_3(o)
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m.print_object_4(o)
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m.print_myobject1_1(o)
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m.print_myobject1_2(o)
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m.print_myobject1_3(o)
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m.print_myobject1_4(o)
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assert capture == "MyObject1[{i}]\n".format(i=i) * (4 if isinstance(o, int) else 8)
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cstats = ConstructorStats.get(m.MyObject1)
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assert cstats.alive() == 0
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expected_values = ['MyObject1[{}]'.format(i) for i in range(1, 7)] + ['MyObject1[7]'] * 4
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assert cstats.values() == expected_values
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assert cstats.default_constructions == 0
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assert cstats.copy_constructions == 0
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# assert cstats.move_constructions >= 0 # Doesn't invoke any
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assert cstats.copy_assignments == 0
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assert cstats.move_assignments == 0
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# Object2
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for i, o in zip([8, 6, 7], [m.MyObject2(8), m.make_myobject2_1(), m.make_myobject2_2()]):
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print(o)
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with capture:
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m.print_myobject2_1(o)
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m.print_myobject2_2(o)
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m.print_myobject2_3(o)
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m.print_myobject2_4(o)
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assert capture == "MyObject2[{i}]\n".format(i=i) * 4
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cstats = ConstructorStats.get(m.MyObject2)
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assert cstats.alive() == 1
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o = None
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assert cstats.alive() == 0
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assert cstats.values() == ['MyObject2[8]', 'MyObject2[6]', 'MyObject2[7]']
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assert cstats.default_constructions == 0
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assert cstats.copy_constructions == 0
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# assert cstats.move_constructions >= 0 # Doesn't invoke any
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assert cstats.copy_assignments == 0
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assert cstats.move_assignments == 0
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# Object3
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for i, o in zip([9, 8, 9], [m.MyObject3(9), m.make_myobject3_1(), m.make_myobject3_2()]):
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print(o)
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with capture:
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m.print_myobject3_1(o)
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m.print_myobject3_2(o)
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m.print_myobject3_3(o)
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m.print_myobject3_4(o)
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assert capture == "MyObject3[{i}]\n".format(i=i) * 4
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cstats = ConstructorStats.get(m.MyObject3)
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assert cstats.alive() == 1
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o = None
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assert cstats.alive() == 0
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assert cstats.values() == ['MyObject3[9]', 'MyObject3[8]', 'MyObject3[9]']
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assert cstats.default_constructions == 0
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assert cstats.copy_constructions == 0
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# assert cstats.move_constructions >= 0 # Doesn't invoke any
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assert cstats.copy_assignments == 0
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assert cstats.move_assignments == 0
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# Object
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cstats = ConstructorStats.get(m.Object)
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assert cstats.alive() == 0
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assert cstats.values() == []
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assert cstats.default_constructions == 10
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assert cstats.copy_constructions == 0
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# assert cstats.move_constructions >= 0 # Doesn't invoke any
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assert cstats.copy_assignments == 0
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assert cstats.move_assignments == 0
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# ref<>
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cstats = m.cstats_ref()
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assert cstats.alive() == 0
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assert cstats.values() == ['from pointer'] * 10
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assert cstats.default_constructions == 30
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assert cstats.copy_constructions == 12
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# assert cstats.move_constructions >= 0 # Doesn't invoke any
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assert cstats.copy_assignments == 30
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assert cstats.move_assignments == 0
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def test_smart_ptr_refcounting():
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assert m.test_object1_refcounting()
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def test_unique_nodelete():
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o = m.MyObject4(23)
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assert o.value == 23
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cstats = ConstructorStats.get(m.MyObject4)
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assert cstats.alive() == 1
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del o
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assert cstats.alive() == 1 # Leak, but that's intentional
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def test_unique_nodelete4a():
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o = m.MyObject4a(23)
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assert o.value == 23
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cstats = ConstructorStats.get(m.MyObject4a)
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assert cstats.alive() == 1
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del o
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assert cstats.alive() == 1 # Leak, but that's intentional
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def test_unique_deleter():
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o = m.MyObject4b(23)
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assert o.value == 23
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cstats4a = ConstructorStats.get(m.MyObject4a)
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assert cstats4a.alive() == 2 # Two because of previous test
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cstats4b = ConstructorStats.get(m.MyObject4b)
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assert cstats4b.alive() == 1
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del o
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assert cstats4a.alive() == 1 # Should now only be one leftover from previous test
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assert cstats4b.alive() == 0 # Should be deleted
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def test_large_holder():
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o = m.MyObject5(5)
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assert o.value == 5
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cstats = ConstructorStats.get(m.MyObject5)
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assert cstats.alive() == 1
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del o
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assert cstats.alive() == 0
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def test_shared_ptr_and_references():
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s = m.SharedPtrRef()
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stats = ConstructorStats.get(m.A)
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assert stats.alive() == 2
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ref = s.ref # init_holder_helper(holder_ptr=false, owned=false)
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assert stats.alive() == 2
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assert s.set_ref(ref)
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with pytest.raises(RuntimeError) as excinfo:
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assert s.set_holder(ref)
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assert "Unable to cast from non-held to held instance" in str(excinfo.value)
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copy = s.copy # init_holder_helper(holder_ptr=false, owned=true)
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assert stats.alive() == 3
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assert s.set_ref(copy)
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assert s.set_holder(copy)
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holder_ref = s.holder_ref # init_holder_helper(holder_ptr=true, owned=false)
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assert stats.alive() == 3
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assert s.set_ref(holder_ref)
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assert s.set_holder(holder_ref)
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holder_copy = s.holder_copy # init_holder_helper(holder_ptr=true, owned=true)
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assert stats.alive() == 3
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assert s.set_ref(holder_copy)
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assert s.set_holder(holder_copy)
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del ref, copy, holder_ref, holder_copy, s
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assert stats.alive() == 0
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def test_shared_ptr_from_this_and_references():
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s = m.SharedFromThisRef()
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stats = ConstructorStats.get(m.B)
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assert stats.alive() == 2
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ref = s.ref # init_holder_helper(holder_ptr=false, owned=false, bad_wp=false)
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assert stats.alive() == 2
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assert s.set_ref(ref)
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assert s.set_holder(ref) # std::enable_shared_from_this can create a holder from a reference
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bad_wp = s.bad_wp # init_holder_helper(holder_ptr=false, owned=false, bad_wp=true)
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assert stats.alive() == 2
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assert s.set_ref(bad_wp)
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with pytest.raises(RuntimeError) as excinfo:
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assert s.set_holder(bad_wp)
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assert "Unable to cast from non-held to held instance" in str(excinfo.value)
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copy = s.copy # init_holder_helper(holder_ptr=false, owned=true, bad_wp=false)
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assert stats.alive() == 3
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assert s.set_ref(copy)
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assert s.set_holder(copy)
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holder_ref = s.holder_ref # init_holder_helper(holder_ptr=true, owned=false, bad_wp=false)
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assert stats.alive() == 3
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assert s.set_ref(holder_ref)
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assert s.set_holder(holder_ref)
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holder_copy = s.holder_copy # init_holder_helper(holder_ptr=true, owned=true, bad_wp=false)
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assert stats.alive() == 3
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assert s.set_ref(holder_copy)
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assert s.set_holder(holder_copy)
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del ref, bad_wp, copy, holder_ref, holder_copy, s
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assert stats.alive() == 0
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z = m.SharedFromThisVirt.get()
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y = m.SharedFromThisVirt.get()
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assert y is z
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def test_move_only_holder():
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a = m.TypeWithMoveOnlyHolder.make()
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b = m.TypeWithMoveOnlyHolder.make_as_object()
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stats = ConstructorStats.get(m.TypeWithMoveOnlyHolder)
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assert stats.alive() == 2
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del b
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assert stats.alive() == 1
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del a
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assert stats.alive() == 0
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def test_holder_with_addressof_operator():
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# this test must not throw exception from c++
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a = m.TypeForHolderWithAddressOf.make()
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a.print_object_1()
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a.print_object_2()
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a.print_object_3()
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a.print_object_4()
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stats = ConstructorStats.get(m.TypeForHolderWithAddressOf)
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assert stats.alive() == 1
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np = m.TypeForHolderWithAddressOf.make()
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assert stats.alive() == 2
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del a
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assert stats.alive() == 1
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del np
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assert stats.alive() == 0
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b = m.TypeForHolderWithAddressOf.make()
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c = b
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assert b.get() is c.get()
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assert stats.alive() == 1
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del b
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assert stats.alive() == 1
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del c
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assert stats.alive() == 0
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def test_move_only_holder_with_addressof_operator():
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a = m.TypeForMoveOnlyHolderWithAddressOf.make()
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a.print_object()
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stats = ConstructorStats.get(m.TypeForMoveOnlyHolderWithAddressOf)
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assert stats.alive() == 1
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a.value = 42
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assert a.value == 42
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del a
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assert stats.alive() == 0
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def test_smart_ptr_from_default():
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instance = m.HeldByDefaultHolder()
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with pytest.raises(RuntimeError) as excinfo:
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m.HeldByDefaultHolder.load_shared_ptr(instance)
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assert "Unable to load a custom holder type from a " \
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"default-holder instance" in str(excinfo.value)
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def test_shared_ptr_gc():
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"""#187: issue involving std::shared_ptr<> return value policy & garbage collection"""
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el = m.ElementList()
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for i in range(10):
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el.add(m.ElementA(i))
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pytest.gc_collect()
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for i, v in enumerate(el.get()):
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assert i == v.value()
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