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Test the const_element_proxy interface

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[SVN r21116]
This commit is contained in:
Raoul Gough
2003-12-03 12:19:26 +00:00
parent b9ff2f1a11
commit 183918be07
1 changed files with 30 additions and 6 deletions
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36
test/test_container_proxy.cpp
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@@ -80,10 +80,13 @@ static void increment (T const &proxy, int val) {
}
#endif
template<typename T> T const &as_const (T &ref) { return ref; }
template<typename ProxyContainer>
void initial_tests (ProxyContainer &proxy_container)
{
typedef typename ProxyContainer::reference reference;
typedef typename ProxyContainer::const_reference const_reference;
BOOST_CHECK (proxy_container.size() == 4);
BOOST_CHECK (proxy_container.is_valid());
@@ -91,41 +94,62 @@ void initial_tests (ProxyContainer &proxy_container)
proxy_container.insert (proxy_container.begin(), throwing_int (1));
reference ref0 (proxy_container[0]);
BOOST_CHECK (ref0.use_count() == 2);
const_reference cref0 (proxy_container[0]);
BOOST_CHECK (ref0.use_count() == 3);
BOOST_CHECK (ref0 == throwing_int (1));
BOOST_CHECK (cref0 == throwing_int (1));
proxy_container.insert (proxy_container.begin(), throwing_int (2));
BOOST_CHECK (proxy_container.is_valid());
BOOST_CHECK (ref0.use_count() == 2);
BOOST_CHECK (ref0.use_count() == 3);
BOOST_CHECK (ref0 == throwing_int (1));
BOOST_CHECK (cref0 == throwing_int (1));
BOOST_CHECK (proxy_container[0] == throwing_int (2));
proxy_container.swap_elements (0, 1);
BOOST_CHECK (proxy_container.is_valid());
BOOST_CHECK (ref0.use_count() == 2);
BOOST_CHECK (ref0.use_count() == 3);
BOOST_CHECK (ref0 == throwing_int (1));
BOOST_CHECK (cref0 == throwing_int (1));
BOOST_CHECK (proxy_container[1] == throwing_int (2));
proxy_container.swap_elements (0, 1);
proxy_container.erase (proxy_container.begin());
BOOST_CHECK (proxy_container.is_valid());
BOOST_CHECK (ref0.use_count() == 2);
BOOST_CHECK (ref0.use_count() == 3);
BOOST_CHECK (cref0.use_count() == 3);
::increment (proxy_container[0], 2);
BOOST_CHECK (ref0 == throwing_int (3));
BOOST_CHECK (cref0 == throwing_int (3));
BOOST_CHECK (proxy_container[0] == throwing_int (3));
BOOST_CHECK (as_const(proxy_container)[0] == throwing_int (3));
proxy_container.erase (proxy_container.begin());
BOOST_CHECK (proxy_container.is_valid());
BOOST_CHECK (ref0.use_count() == 1);
// ref0 and cref0 should be detached from the container and both
// referring to the same object
BOOST_CHECK (ref0.use_count() == 2);
BOOST_CHECK (cref0.use_count() == 2);
BOOST_CHECK (ref0 == throwing_int (3));
BOOST_CHECK (proxy_container[0] == throwing_int ());
BOOST_CHECK (cref0 == throwing_int (3));
::increment (ref0, 1);
BOOST_CHECK (ref0 == throwing_int (4));
BOOST_CHECK (cref0 == throwing_int (4));
BOOST_CHECK (proxy_container.size() == 4);
BOOST_CHECK (proxy_container.is_valid());
// Check other comparison operators (mutable and const)
BOOST_CHECK (ref0 != throwing_int (0));
BOOST_CHECK (ref0 > throwing_int (3));
BOOST_CHECK (ref0 < throwing_int (5));
BOOST_CHECK (cref0 != throwing_int (0));
BOOST_CHECK (cref0 > throwing_int (3));
BOOST_CHECK (cref0 < throwing_int (5));
}
template<typename RawContainer, typename Generator>