35 lines
954 B
C++
35 lines
954 B
C++
// (C) Copyright Jeremy Siek 2000.
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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/concept_check.hpp>
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/*
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This file verifies that the BOOST_CLASS_REQUIRE macro of the Boost
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Concept Checking Library does not cause errors when it is not suppose
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to.
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*/
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struct foo { bool operator()(int) { return true; } };
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struct bar { bool operator()(int, char) { return true; } };
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class class_requires_test
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{
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BOOST_CONCEPT_ASSERT((boost::EqualityComparable<int>));
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typedef int* int_ptr; typedef const int* const_int_ptr;
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BOOST_CONCEPT_ASSERT((boost::EqualOp<int_ptr,const_int_ptr>));
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BOOST_CONCEPT_ASSERT((boost::UnaryFunction<foo,bool,int>));
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BOOST_CONCEPT_ASSERT((boost::BinaryFunction<bar,bool,int,char>));
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};
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int
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main()
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{
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class_requires_test x;
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boost::ignore_unused_variable_warning(x);
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return 0;
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}
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