1
2 // Copyright Aleksey Gurtovoy 2000-2004
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // See http://www.boost.org/libs/mpl for documentation.
9
10 // $Id$
11 // $Date$
12 // $Revision$
13
14 #include <boost/mpl/count_if.hpp>
15 #include <boost/mpl/vector.hpp>
16 #include <boost/mpl/vector_c.hpp>
17 #include <boost/mpl/comparison.hpp>
18 #include <boost/mpl/int.hpp>
19 #include <boost/mpl/aux_/test.hpp>
20
21 #include <boost/type_traits/is_float.hpp>
22 #include <boost/type_traits/is_same.hpp>
23
MPL_TEST_CASE()24 MPL_TEST_CASE()
25 {
26 typedef vector<int,char&,long,short,char&,long,double,long> types;
27 typedef vector_c<int,1,0,5,1,7,5,0,5> values;
28
29 MPL_ASSERT_RELATION( (count_if< types, boost::is_float<_> >::value), ==, 1 );
30 MPL_ASSERT_RELATION( (count_if< types, boost::is_same<_,char&> >::value), ==, 2 );
31 MPL_ASSERT_RELATION( (count_if< types, boost::is_same<_,void*> >::value), ==, 0 );
32
33 MPL_ASSERT_RELATION( (count_if< values, less<_,int_<5> > >::value), ==, 4 );
34 MPL_ASSERT_RELATION( (count_if< values, equal_to<int_<0>,_> >::value), ==, 2 );
35 MPL_ASSERT_RELATION( (count_if< values, equal_to<int_<-1>,_> >::value), ==, 0 );
36 }
37