assert.cpp
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// Copyright Aleksey Gurtovoy 2000-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/is_pointer.hpp>
BOOST_MPL_ASSERT(( boost::is_same<int,int> ));
BOOST_MPL_ASSERT(( boost::is_pointer<int*> ));
BOOST_MPL_ASSERT_NOT(( boost::is_same<int,long> ));
BOOST_MPL_ASSERT_NOT(( boost::is_pointer<int> ));
BOOST_MPL_ASSERT_RELATION( 5, >, 1 );
BOOST_MPL_ASSERT_RELATION( 1, <, 5 );
BOOST_MPL_ASSERT_MSG( true, GLOBAL_SCOPE_ERROR, (int,long) );
BOOST_MPL_ASSERT_MSG( true, ANOTHER_GLOBAL_SCOPE_ERROR, () );
namespace my {
BOOST_MPL_ASSERT(( boost::is_same<int,int> ));
BOOST_MPL_ASSERT(( boost::is_pointer<int*> ));
BOOST_MPL_ASSERT_NOT(( boost::is_same<int,long> ));
BOOST_MPL_ASSERT_NOT(( boost::is_pointer<int> ));
BOOST_MPL_ASSERT_RELATION( 5, >, 1 );
BOOST_MPL_ASSERT_RELATION( 1, <, 5 );
BOOST_MPL_ASSERT_MSG( true, GLOBAL_SCOPE_ERROR, (int,long) );
BOOST_MPL_ASSERT_MSG( true, NAMESPACE_SCOPE_ERROR, () );
BOOST_MPL_ASSERT_MSG( true, ANOTHER_NAMESPACE_SCOPE_ERROR, () );
}
template< typename T >
struct her
{
BOOST_MPL_ASSERT(( boost::is_same<void,T> ));
BOOST_MPL_ASSERT(( boost::is_pointer<T*> ));
BOOST_MPL_ASSERT_NOT(( boost::is_same<int,T> ));
BOOST_MPL_ASSERT_NOT(( boost::is_pointer<T> ));
BOOST_MPL_ASSERT_RELATION( sizeof(T*), >, 1 );
BOOST_MPL_ASSERT_RELATION( 1, <, sizeof(T*) );
BOOST_MPL_ASSERT_MSG( true, GLOBAL_SCOPE_ERROR, (int,long) );
BOOST_MPL_ASSERT_MSG( true, CLASS_SCOPE_ERROR, () );
#if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
BOOST_MPL_ASSERT_MSG( true, ANOTHER_CLASS_SCOPE_ERROR, (types<int, T>) );
#endif
void f()
{
BOOST_MPL_ASSERT(( boost::is_same<void,T> ));
BOOST_MPL_ASSERT(( boost::is_pointer<T*> ));
BOOST_MPL_ASSERT_NOT(( boost::is_same<int,T> ));
BOOST_MPL_ASSERT_NOT(( boost::is_pointer<T> ));
BOOST_MPL_ASSERT_RELATION( sizeof(T*), >, 1 );
BOOST_MPL_ASSERT_RELATION( 1, <, sizeof(T*) );
#if !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3202))
BOOST_MPL_ASSERT_MSG( true, GLOBAL_SCOPE_ERROR, (int,long) );
#endif
BOOST_MPL_ASSERT_MSG( true, MEMBER_FUNCTION_SCOPE_ERROR, () );
#if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
BOOST_MPL_ASSERT_MSG( true, ANOTHER_MEMBER_FUNCTION_SCOPE_ERROR, (types<int, T>) );
#endif
}
};
template<class T>
struct nested : boost::mpl::true_ {
BOOST_MPL_ASSERT(( boost::is_pointer<T*> ));
BOOST_MPL_ASSERT_NOT(( boost::is_same<void,T> ));
BOOST_MPL_ASSERT_RELATION( sizeof(T*), >, 1 );
BOOST_MPL_ASSERT_MSG( true, GLOBAL_SCOPE_ERROR, (int,long) );
};
BOOST_MPL_ASSERT(( nested<int> ));
BOOST_MPL_ASSERT_NOT(( boost::mpl::not_<nested<unsigned> > ));
int main()
{
her<void> h;
h.f();
BOOST_MPL_ASSERT(( boost::is_same<int,int> ));
BOOST_MPL_ASSERT(( boost::is_pointer<int*> ));
BOOST_MPL_ASSERT_NOT(( boost::is_same<int,long> ));
BOOST_MPL_ASSERT_NOT(( boost::is_pointer<int> ));
BOOST_MPL_ASSERT_RELATION( 5, >, 1 );
BOOST_MPL_ASSERT_RELATION( 1, <, 5 );
BOOST_MPL_ASSERT_MSG( true, GLOBAL_SCOPE_ERROR, (int,long) );
BOOST_MPL_ASSERT_MSG( true, FUNCTION_SCOPE_ERROR, () );
BOOST_MPL_ASSERT_MSG( true, ANOTHER_FUNCTION_SCOPE_ERROR, () );
return 0;
}