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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <gsl/gsl>
#include <functional>
using namespace gsl;
SUITE(utils_tests)
{
void f(int& i) { i += 1; }
TEST(finally_lambda)
{
int i = 0;
{
auto _ = finally([&]() { f(i); });
CHECK(i == 0);
}
CHECK(i == 1);
}
TEST(finally_lambda_move)
{
int i = 0;
{
auto _1 = finally([&]() { f(i); });
{
auto _2 = std::move(_1);
CHECK(i == 0);
}
CHECK(i == 1);
{
auto _2 = std::move(_1);
CHECK(i == 1);
}
CHECK(i == 1);
}
CHECK(i == 1);
}
TEST(finally_function_with_bind)
{
int i = 0;
{
auto _ = finally(std::bind(&f, std::ref(i)));
CHECK(i == 0);
}
CHECK(i == 1);
}
int j = 0;
void g() { j += 1; }
TEST(finally_function_ptr)
{
j = 0;
{
auto _ = finally(&g);
CHECK(j == 0);
}
CHECK(j == 1);
}
TEST(narrow_cast)
{
int n = 120;
char c = narrow_cast<char>(n);
CHECK(c == 120);
n = 300;
unsigned char uc = narrow_cast<unsigned char>(n);
CHECK(uc == 44);
}
TEST(narrow)
{
int n = 120;
const char c = narrow<char>(n);
CHECK(c == 120);
n = 300;
CHECK_THROW(narrow<char>(n), narrowing_error);
const auto int32_max = std::numeric_limits<int32_t>::max();
const auto int32_min = std::numeric_limits<int32_t>::min();
CHECK(narrow<uint32_t>(int32_t(0)) == 0);
CHECK(narrow<uint32_t>(int32_t(1)) == 1);
CHECK(narrow<uint32_t>(int32_max) == static_cast<uint32_t>(int32_max));
CHECK_THROW(narrow<uint32_t>(int32_t(-1)), narrowing_error);
CHECK_THROW(narrow<uint32_t>(int32_min), narrowing_error);
n = -42;
CHECK_THROW(narrow<unsigned>(n), narrowing_error);
}
}
int main(int, const char* []) { return UnitTest::RunAllTests(); }
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