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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/safe_numerics/test/test_left_shift_constexpr.hpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/boost/libs/safe_numerics/test/test_left_shift_constexpr.hpp b/src/boost/libs/safe_numerics/test/test_left_shift_constexpr.hpp new file mode 100644 index 000000000..defdb9a18 --- /dev/null +++ b/src/boost/libs/safe_numerics/test/test_left_shift_constexpr.hpp @@ -0,0 +1,30 @@ +#ifndef BOOST_TEST_LEFT_SHIFT_CONSTEXPR_HPP +#define BOOST_TEST_LEFT_SHIFT_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/safe_numerics/safe_integer.hpp> + +template<class T1, class T2> +constexpr bool test_left_shift_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 +} + +#endif // BOOST_TEST_LEFT_SHIFT_CONSTEXPR_HPP |