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https://github.com/boostorg/compat.git
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51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#if defined(__GNUC__) && __GNUC__ == 7
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# pragma GCC diagnostic ignored "-Wnoexcept-type"
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#endif
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#include <boost/compat/invoke.hpp>
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#include <boost/config.hpp>
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#define STATIC_ASSERT(...) static_assert((__VA_ARGS__), #__VA_ARGS__)
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#define BOOST_TEST_EQ(x, y) STATIC_ASSERT((x) == (y))
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constexpr int f0()
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{
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return -1;
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}
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constexpr int f1( int x1 ) noexcept
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{
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return x1;
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}
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constexpr int f2( int x1, int x2 )
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{
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return 10*x1+x2;
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}
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constexpr int f3( int x1, int x2, int x3 ) noexcept
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{
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return 100*x1 + 10*x2 + x3;
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}
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int main()
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{
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f0 ), -1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f1, 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f2, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::invoke_r<long>( f3, 1, 2, 3 ), 123 );
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#if !defined(BOOST_NO_CXX14_CONSTEXPR)
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STATIC_ASSERT( boost::compat::invoke_r<void>( f0 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( f1, 1 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( f2, 1, 2 ), true );
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STATIC_ASSERT( boost::compat::invoke_r<void>( f3, 1, 2, 3 ), true );
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#endif
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}
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