GSL/tests/assertion_tests.cpp

///////////////////////////////////////////////////////////////////////////////
//
// 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>

using namespace gsl;

SUITE(assertion_tests)
{
    int f(int i)
    {
        Expects(i > 0 && i < 10);
        return i;
    }

    TEST(expects)
    {
        CHECK(f(2) == 2);
        CHECK_THROW(f(10), fail_fast);
    }

    int g(int i)
    {
        i++;
        Ensures(i > 0 && i < 10);
        return i;
    }

    TEST(ensures)
    {
        CHECK(g(2) == 3);
        CHECK_THROW(g(9), fail_fast);
    }
}

int main(int, const char* []) { return UnitTest::RunAllTests(); }