Equivalent of 5718e4d080

tests/test_python_multiple_inheritance.py

@@ -0,0 +1,39 @@
+# Adapted from:
+# https://github.com/google/clif/blob/5718e4d0807fd3b6a8187dde140069120b81ecef/clif/testing/python/python_multiple_inheritance_test.py
+
+from pybind11_tests import python_multiple_inheritance as m
+
+
+class PC(m.CppBase):
+    pass
+
+
+class PPCCInit(PC, m.CppDrvd):
+    def __init__(self, value):
+        PC.__init__(self, value)
+        m.CppDrvd.__init__(self, value + 1)
+
+
+def test_PC():
+    d = PC(11)
+    assert d.get_base_value() == 11
+    d.reset_base_value(13)
+    assert d.get_base_value() == 13
+
+
+def test_PPCCInit():
+    d = PPCCInit(11)
+    assert d.get_drvd_value() == 36
+    d.reset_drvd_value(55)
+    assert d.get_drvd_value() == 55
+
+    # CppBase is initialized and used when CppBase methods are called, but
+    # CppDrvd is used when CppDrvd methods are called.
+    assert d.get_base_value() == 11
+    assert d.get_base_value_from_drvd() == 12
+    d.reset_base_value(20)
+    assert d.get_base_value() == 20
+    assert d.get_base_value_from_drvd() == 12
+    d.reset_base_value_from_drvd(30)
+    assert d.get_base_value() == 20
+    assert d.get_base_value_from_drvd() == 30