continuable/test.cpp
2015-08-09 19:32:57 +02:00

96 lines
2.2 KiB
C++

/**
* Copyright 2015 Denis Blank <denis.blank@outlook.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define CATCH_CONFIG_RUNNER
#include "catch.hpp"
void test_mockup();
void test_incubator();
int main(int argc, char* const argv[])
{
test_mockup();
test_incubator();
int const result = Catch::Session().run(argc, argv);
// Attach breakpoint here ,-)
return result;
}
template<typename T, typename V>
using cross_forward_t =
typename std::conditional<
std::is_rvalue_reference<T&&>::value,
typename std::decay<V>::type&&,
typename std::decay<V>::type&
>::type;
template<typename T, typename V>
cross_forward_t<T, V> cross_forward(V&& var)
{
return static_cast<cross_forward_t<T, V>&&>(var);
}
struct TestContainer
{
std::shared_ptr<int> ptr;
};
template<typename T>
TestContainer extract(T&& c)
{
return TestContainer{cross_forward<T>(c.ptr)};
}
TEST_CASE("CrossForward tests", "[CrossForward]")
{
TestContainer con;
con.ptr = std::make_shared<int>(0);
static_assert(std::is_same<
cross_forward_t<
TestContainer&&,
std::unique_ptr<int>&
>,
std::unique_ptr<int>&&>::value,
"cross_forward returns wrong type!");
static_assert(std::is_same<
cross_forward_t<
TestContainer&,
std::unique_ptr<int>&
>,
std::unique_ptr<int>&>::value,
"cross_forward returns wrong type!");
SECTION("forward l-value references")
{
extract(con);
REQUIRE(con.ptr.get());
}
SECTION("forward r-value references")
{
extract(std::move(con));
REQUIRE_FALSE(con.ptr.get());
}
}