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126 lines
4.7 KiB
126 lines
4.7 KiB
from pybind11_tests import ConstructorStats
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def test_smart_ptr(capture):
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# Object1
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from pybind11_tests import (MyObject1, make_object_1, make_object_2,
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print_object_1, print_object_2, print_object_3, print_object_4)
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for i, o in enumerate([make_object_1(), make_object_2(), MyObject1(3)], start=1):
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assert o.getRefCount() == 1
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with capture:
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print_object_1(o)
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print_object_2(o)
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print_object_3(o)
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print_object_4(o)
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assert capture == "MyObject1[{i}]\n".format(i=i) * 4
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from pybind11_tests import (make_myobject1_1, make_myobject1_2,
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print_myobject1_1, print_myobject1_2,
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print_myobject1_3, print_myobject1_4)
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for i, o in enumerate([make_myobject1_1(), make_myobject1_2(), MyObject1(6), 7], 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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print_object_1(o)
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print_object_2(o)
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print_object_3(o)
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print_object_4(o)
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print_myobject1_1(o)
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print_myobject1_2(o)
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print_myobject1_3(o)
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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(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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from pybind11_tests import (MyObject2, make_myobject2_1, make_myobject2_2,
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make_myobject3_1, make_myobject3_2,
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print_myobject2_1, print_myobject2_2,
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print_myobject2_3, print_myobject2_4)
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for i, o in zip([8, 6, 7], [MyObject2(8), make_myobject2_1(), make_myobject2_2()]):
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print(o)
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with capture:
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print_myobject2_1(o)
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print_myobject2_2(o)
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print_myobject2_3(o)
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print_myobject2_4(o)
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assert capture == "MyObject2[{i}]\n".format(i=i) * 4
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cstats = ConstructorStats.get(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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from pybind11_tests import (MyObject3, print_myobject3_1, print_myobject3_2,
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print_myobject3_3, print_myobject3_4)
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for i, o in zip([9, 8, 9], [MyObject3(9), make_myobject3_1(), make_myobject3_2()]):
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print(o)
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with capture:
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print_myobject3_1(o)
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print_myobject3_2(o)
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print_myobject3_3(o)
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print_myobject3_4(o)
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assert capture == "MyObject3[{i}]\n".format(i=i) * 4
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cstats = ConstructorStats.get(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 and ref
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from pybind11_tests import Object, cstats_ref
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cstats = ConstructorStats.get(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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cstats = 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_unique_nodelete():
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from pybind11_tests import MyObject4
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o = MyObject4(23)
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assert o.value == 23
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cstats = ConstructorStats.get(MyObject4)
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assert cstats.alive() == 1
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del o
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cstats = ConstructorStats.get(MyObject4)
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assert cstats.alive() == 1 # Leak, but that's intentional
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