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47 lines
1.0 KiB
C++
47 lines
1.0 KiB
C++
// protect_test2.cpp
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//
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// Copyright 2020 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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#include <boost/bind/protect.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <boost/core/is_same.hpp>
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template<class T, class F> void test( F )
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{
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BOOST_TEST_TRAIT_TRUE((boost::core::is_same<typename T::result_type, typename F::result_type>));
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}
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struct X
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{
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struct result_type {};
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};
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struct Y
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{
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};
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template<class T, class U> struct inherit: T, U
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{
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};
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template<class F> void test2( F )
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{
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// test that F doesn't have ::result_type
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BOOST_TEST_TRAIT_TRUE((boost::core::is_same<typename inherit<F, X>::result_type, typename X::result_type>));
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}
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int main()
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{
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test<X>( boost::protect( X() ) );
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#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_DECLTYPE) && !(defined(BOOST_GCC) && BOOST_GCC < 40600)
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test2( boost::protect( Y() ) );
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#endif
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return boost::report_errors();
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}
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