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72 lines
1.6 KiB
Python
72 lines
1.6 KiB
Python
# Adapted from:
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# https://github.com/google/clif/blob/5718e4d0807fd3b6a8187dde140069120b81ecef/clif/testing/python/python_multiple_inheritance_test.py
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import pytest
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from pybind11_tests import python_multiple_inheritance as m
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class PC(m.CppBase):
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pass
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class PPCC(PC, m.CppDrvd):
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pass
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class PPPCCC(PPCC, m.CppDrvd2):
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pass
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class PC1(m.CppDrvd):
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pass
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class PC2(m.CppDrvd2):
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pass
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class PCD(PC1, PC2):
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pass
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def test_PC():
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d = PC(11)
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assert d.get_base_value() == 11
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d.reset_base_value(13)
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assert d.get_base_value() == 13
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def test_PPCC():
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d = PPCC(11)
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assert d.get_drvd_value() == 33
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d.reset_drvd_value(55)
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assert d.get_drvd_value() == 55
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assert d.get_base_value() == 11
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assert d.get_base_value_from_drvd() == 11
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d.reset_base_value(20)
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assert d.get_base_value() == 20
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assert d.get_base_value_from_drvd() == 20
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d.reset_base_value_from_drvd(30)
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assert d.get_base_value() == 30
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assert d.get_base_value_from_drvd() == 30
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def NOtest_PPPCCC():
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# terminate called after throwing an instance of 'pybind11::error_already_set'
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# what(): TypeError: bases include diverging derived types:
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# base=pybind11_tests.python_multiple_inheritance.CppBase,
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# derived1=pybind11_tests.python_multiple_inheritance.CppDrvd,
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# derived2=pybind11_tests.python_multiple_inheritance.CppDrvd2
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PPPCCC(11)
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def test_PCD():
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# This escapes all_type_info_check_for_divergence() because CppBase does not appear in bases.
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with pytest.raises(
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TypeError,
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match=r"CppDrvd2\.__init__\(\) must be called when overriding __init__$",
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):
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PCD(11)
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