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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/safe_numerics/test/test_less_than_constexpr.hpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/boost/libs/safe_numerics/test/test_less_than_constexpr.hpp b/src/boost/libs/safe_numerics/test/test_less_than_constexpr.hpp new file mode 100644 index 000000000..f3ecf5886 --- /dev/null +++ b/src/boost/libs/safe_numerics/test/test_less_than_constexpr.hpp @@ -0,0 +1,40 @@ +#ifndef BOOST_TEST_LESS_THAN_CONSTEXPR_HPP +#define BOOST_TEST_LESS_THAN_CONSTEXPR_HPP + +// Copyright (c) 2019 Robert Ramey +// +// Distributed under the Boost Software License, Version 1.0. (See +// accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <boost/config.hpp> // BOOST_CLANG +#include <boost/safe_numerics/safe_integer.hpp> + +#if BOOST_CLANG==1 +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-comparison" +#endif + +template<class T1, class T2> +constexpr bool test_less_than_constexpr( + T1 v1, + T2 v2, + char expected_result +){ + using namespace boost::safe_numerics; + // if we don't expect the operation to pass, we can't + // check the constexpr version of the calculation so + // just return success. + if(expected_result == 'x') + return true; + safe_t<T1>(v1) < v2; + v1 < safe_t<T2>(v2); + safe_t<T1>(v1) < safe_t<T2>(v2); + return true; // correct result +} + +#if BOOST_CLANG==1 +#pragma GCC diagnostic pop +#endif + +#endif // BOOST_TEST_LESS_THAN_CONSTEXPR_HPP |