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Experiment: specify indirect bases

This commit is contained in:
Ralf W. Grosse-Kunstleve 2023-07-31 16:16:46 -07:00
parent a2f95e1d94
commit 4f90d85f9f
2 changed files with 27 additions and 0 deletions
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16
tests/test_python_multiple_inheritance.cpp
View File

@ -26,6 +26,14 @@ private:
int drvd_value;
};
struct CppDrv2 : CppDrvd {
explicit CppDrv2(int value) : CppDrvd(value), drv2_value(value * 5) {}
int get_drv2_value() const { return drv2_value; }
private:
int drv2_value;
};
} // namespace test_python_multiple_inheritance
TEST_SUBMODULE(python_multiple_inheritance, m) {
@ -42,4 +50,12 @@ TEST_SUBMODULE(python_multiple_inheritance, m) {
.def("reset_drvd_value", &CppDrvd::reset_drvd_value)
.def("get_base_value_from_drvd", &CppDrvd::get_base_value_from_drvd)
.def("reset_base_value_from_drvd", &CppDrvd::reset_base_value_from_drvd);
#if 1 // This works.
py::class_<CppDrv2, CppDrvd>(m, "CppDrv2")
#else // Apparent undefined behavior.
py::class_<CppDrv2, CppDrvd, CppBase>(m, "CppDrv2")
#endif
.def(py::init<int>())
.def("get_drv2_value", &CppDrv2::get_drv2_value);
}

11
tests/test_python_multiple_inheritance.py
View File

@ -12,6 +12,10 @@ class PPCC(PC, m.CppDrvd):
pass
class PPCC2(PC, m.CppDrv2):
pass
def test_PC():
d = PC(11)
assert d.get_base_value() == 11
@ -33,3 +37,10 @@ def test_PPCC():
d.reset_base_value_from_drvd(30)
assert d.get_base_value() == 30
assert d.get_base_value_from_drvd() == 30
def test_PPCC2():
d = PPCC2(13)
assert d.get_drv2_value() == 65
assert d.get_drvd_value() == 39
assert d.get_base_value() == 13