1
2// Copyright Aleksey Gurtovoy 2000-2004
3// Copyright David Abrahams 2003-2004
4//
5// Distributed under the Boost Software License, Version 1.0.
6// (See accompanying file LICENSE_1_0.txt or copy at
7// http://www.boost.org/LICENSE_1_0.txt)
8//
9// See http://www.boost.org/libs/mpl for documentation.
10
11// $Id$
12// $Date$
13// $Revision$
14
15#include <boost/mpl/copy_if.hpp>
16#include <boost/mpl/list/list10_c.hpp>
17#include <boost/mpl/list/list10.hpp>
18#include <boost/mpl/front_inserter.hpp>
19#include <boost/mpl/less.hpp>
20#include <boost/mpl/int.hpp>
21#include <boost/mpl/equal.hpp>
22#include <boost/mpl/size.hpp>
23#include <boost/type_traits/is_float.hpp>
24
25#include <boost/mpl/aux_/test.hpp>
26
27MPL_TEST_CASE()
28{
29 typedef list10_c<int,0,1,2,3,4,5,6,7,8,9>::type numbers;
30 typedef list5_c<int,4,3,2,1,0>::type answer;
31 typedef copy_if<
32 numbers
33 , less<_,int_<5> >
34 , mpl::front_inserter< list0_c<int> >
35 >::type result;
36
37 MPL_ASSERT_RELATION(size<result>::value, ==, 5);
38 MPL_ASSERT(( equal<result,answer> ));
39}
40
41
42MPL_TEST_CASE()
43{
44 typedef list8<int,float,long,float,char,long,double,double>::type types;
45 typedef list4<float,float,double,double>::type float_types;
46 typedef reverse_copy_if<
47 types
48 , is_float<_>
49 , mpl::front_inserter< list0<> >
50 >::type result;
51
52 MPL_ASSERT_RELATION(mpl::size<result>::value, ==, 4);
53 MPL_ASSERT(( equal<result,float_types> ));
54}
55

source code of boost/libs/mpl/test/copy_if.cpp