| 1 | #ifndef BOOST_TEST_EQUAL_CONSTEXPR_HPP |
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| 2 | #define BOOST_TEST_EQUAL_CONSTEXPR_HPP |
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| 3 | |
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| 4 | // Copyright (c) 2015 Robert Ramey |
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| 5 | // |
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| 6 | // Distributed under the Boost Software License, Version 1.0. (See |
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| 7 | // accompanying file LICENSE_1_0.txt or copy at |
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| 8 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | |
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| 10 | #include <boost/config.hpp> // BOOST_CLANG |
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| 11 | #include <boost/safe_numerics/safe_integer.hpp> |
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| 12 | |
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| 13 | #if BOOST_CLANG == 1 |
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| 14 | #pragma GCC diagnostic push |
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| 15 | #pragma GCC diagnostic ignored "-Wunused-comparison" |
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| 16 | #endif |
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| 17 | |
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| 18 | template<class T1, class T2> |
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| 19 | constexpr bool test_equal_constexpr( |
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| 20 | T1 v1, |
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| 21 | T2 v2, |
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| 22 | char expected_result |
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| 23 | ){ |
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| 24 | using namespace boost::safe_numerics; |
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| 25 | // if we don't expect the operation to pass, we can't |
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| 26 | // check the constexpr version of the calculation so |
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| 27 | // just return success. |
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| 28 | if(expected_result == 'x') |
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| 29 | return true; |
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| 30 | safe_t<T1>(v1) == v2; |
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| 31 | v1 == safe_t<T2>(v2); |
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| 32 | safe_t<T1>(v1) == safe_t<T2>(v2); |
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| 33 | return true; // correct result |
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| 34 | } |
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| 35 | |
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| 36 | #if BOOST_CLANG == 1 |
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| 37 | #pragma GCC diagnostic pop |
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| 38 | #endif |
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| 39 | |
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| 40 | #endif // BOOST_TEST_EQUAL_CONSTEXPR_HPP |
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| 41 | |
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