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add proper default handling

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[SVN r25017]
This commit is contained in:
Dave Abrahams
2004-09-11 14:53:05 +00:00
parent f7db275bc4
commit dc2acc5bf5
2 changed files with 18 additions and 3 deletions
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8
test/polymorphism2.cpp
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@@ -55,9 +55,11 @@ struct ACallback : A, wrapper<A>
#else
return f();
#endif
//else
return A::f();
return A::f();
}
char const* default_f() { return this->A::f(); }
};
struct B : A
@@ -124,7 +126,7 @@ A* pass_a(A* x) { return x; }
BOOST_PYTHON_MODULE_INIT(polymorphism2_ext)
{
class_<ACallback,boost::noncopyable>("A")
.def("f", &A::f)
.def("f", &A::f, &ACallback::default_f)
;
def("getBCppObj", getBCppObj, return_value_policy<reference_existing_object>());

13
test/polymorphism2.py
View File

@@ -46,6 +46,19 @@ class PolymorphTest(unittest.TestCase):
self.failUnlessEqual ('X.f', x.f())
self.failUnlessEqual ('X.f', call_f(x))
def test_self_default(self):
class X(A):
def f(self):
return 'X.f() -> ' + A.f(self)
x = X()
self.failUnlessEqual ('X.f() -> A::f()', x.f())
# This one properly raises the "dangling reference" exception
# self.failUnlessEqual ('X.f() -> A::f()', call_f(x))
def test_wrapper_downcast(self):
a = pass_a(D())
self.failUnlessEqual('D::g()', a.g())