forked from boostorg/integer
43 lines
2.2 KiB
C++
43 lines
2.2 KiB
C++
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// (C) Copyright John Maddock 2017.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/integer/common_factor.hpp>
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#ifndef BOOST_NO_CXX14_CONSTEXPR
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void test_constexpr()
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{
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constexpr const boost::int64_t i = 347 * 463 * 727;
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constexpr const boost::int64_t j = 191 * 347 * 281;
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constexpr const boost::int64_t k = boost::integer::gcd(i, j);
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constexpr const boost::int64_t l = boost::integer::lcm(i, j);
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static_assert(k == 347, "Expected result not found in constexpr gcd.");
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static_assert(l == 6268802158037, "Expected result not found in constexpr lcm.");
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}
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#endif
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#ifndef BOOST_NO_CXX11_NOEXCEPT
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void test_noexcept()
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{
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static_assert(noexcept(boost::integer::gcd(static_cast<unsigned char>(2), static_cast<unsigned char>(4))), "Expected a noexcept function.");
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//static_assert(noexcept(boost::integer::gcd(static_cast<char>(2), static_cast<char>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<signed char>(2), static_cast<signed char>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<short>(2), static_cast<short>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<unsigned short>(2), static_cast<unsigned short>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<int>(2), static_cast<int>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<unsigned int>(2), static_cast<unsigned int>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<long>(2), static_cast<long>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<unsigned long>(2), static_cast<unsigned long>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<long long>(2), static_cast<long long>(4))), "Expected a noexcept function.");
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static_assert(noexcept(boost::integer::gcd(static_cast<unsigned long long>(2), static_cast<unsigned long long>(4))), "Expected a noexcept function.");
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}
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#endif
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