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const_pointer_cast added.

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[SVN r19147]
This commit is contained in:
Peter Dimov
2003-07-16 11:51:12 +00:00
parent 7c36a640ae
commit 192970b3b8
5 changed files with 106 additions and 0 deletions
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test/shared_ptr_test.cpp
+52
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@@ -2375,6 +2375,57 @@ void test()
} // namespace n_static_cast
namespace n_const_cast
{
struct X;
void test()
{
{
boost::shared_ptr<void const volatile> px;
boost::shared_ptr<void> px2 = boost::const_pointer_cast<void>(px);
BOOST_TEST(px2.get() == 0);
}
{
boost::shared_ptr<int const volatile> px;
boost::shared_ptr<int> px2 = boost::const_pointer_cast<int>(px);
BOOST_TEST(px2.get() == 0);
}
{
boost::shared_ptr<X const volatile> px;
boost::shared_ptr<X> px2 = boost::const_pointer_cast<X>(px);
BOOST_TEST(px2.get() == 0);
}
{
boost::shared_ptr<void const volatile> px(new int);
boost::shared_ptr<void> px2 = boost::const_pointer_cast<void>(px);
BOOST_TEST(px.get() == px2.get());
BOOST_TEST(!(px < px2 || px2 < px));
BOOST_TEST(px.use_count() == 2);
BOOST_TEST(px2.use_count() == 2);
}
{
boost::shared_ptr<int const volatile> px(new int);
boost::shared_ptr<int> px2 = boost::const_pointer_cast<int>(px);
BOOST_TEST(px.get() == px2.get());
BOOST_TEST(!(px < px2 || px2 < px));
BOOST_TEST(px.use_count() == 2);
BOOST_TEST(px2.use_count() == 2);
}
}
} // namespace n_const_cast
namespace n_dynamic_cast
{
@@ -3141,6 +3192,7 @@ int main()
n_swap::test();
n_comparison::test();
n_static_cast::test();
n_const_cast::test();
n_dynamic_cast::test();
n_map::test();