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Added tests for unwrap_ref.

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[SVN r47296]
This commit is contained in:
Ronald Garcia
2008-07-10 19:29:02 +00:00
parent cce5d77d2b
commit 1823481d96
1 changed files with 42 additions and 0 deletions
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42
ref_test.cpp
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@ -68,11 +68,53 @@ struct ref_wrapper
}
};
struct copy_counter {
static int count_;
copy_counter(copy_counter const& other) {
++count_;
}
copy_counter() {}
static void reset() { count_ = 0; }
static int count() { return copy_counter::count_; }
};
int copy_counter::count_ = 0;
} // namespace unnamed
template <class T>
void do_unwrap(T t) {
/* typename unwrap_reference<T>::type& lt = */
unwrap_ref(t);
}
void unwrap_test() {
int i = 3;
const int ci = 2;
do_unwrap(i);
do_unwrap(ci);
do_unwrap(ref(i));
do_unwrap(cref(ci));
do_unwrap(ref(ci));
copy_counter cc;
BOOST_CHECK(cc.count() == 0);
do_unwrap(cc);
do_unwrap(ref(cc));
do_unwrap(cref(cc));
BOOST_CHECK(cc.count() == 1);
}
int test_main(int, char * [])
{
ref_wrapper<int>::test(1);
ref_wrapper<int const>::test(1);
unwrap_test();
return 0;
}