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44 lines
1.8 KiB
C++
44 lines
1.8 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/test/count_if.cpp source file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2000-02
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// Aleksey Gurtovoy
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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#include "boost/mpl/count_if.hpp"
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#include "boost/mpl/list.hpp"
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#include "boost/mpl/list_c.hpp"
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#include "boost/mpl/comparison/less.hpp"
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#include "boost/mpl/comparison/equal_to.hpp"
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#include "boost/type_traits/is_float.hpp"
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#include "boost/type_traits/is_same.hpp"
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#include "boost/static_assert.hpp"
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namespace mpl = boost::mpl;
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int main()
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{
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using namespace mpl::placeholder;
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typedef mpl::list<int,char,long,short,char,long,double,long> types;
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typedef mpl::list_c<int,1,0,5,1,7,5,0,5> values;
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BOOST_STATIC_ASSERT((mpl::count_if< types, boost::is_float<_> >::type::value == 1));
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BOOST_STATIC_ASSERT((mpl::count_if< types, boost::is_same<_,char> >::type::value == 2));
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BOOST_STATIC_ASSERT((mpl::count_if< types, boost::is_same<_,void> >::type::value == 0));
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BOOST_STATIC_ASSERT((mpl::count_if< values, mpl::lt<5> >::type::value == 4));
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BOOST_STATIC_ASSERT((mpl::count_if< values, mpl::eq<0> >::type::value == 2));
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BOOST_STATIC_ASSERT((mpl::count_if< values, mpl::eq<-1> >::type::value == 0));
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return 0;
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}
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