1 //
2 // Boost.Pointer Container
3 //
4 // Copyright Thorsten Ottosen 2003-2005. Use, modification and
5 // distribution is subject to the Boost Software License, Version
6 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
8 //
9 // For more information, see http://www.boost.org/libs/ptr_container/
10 //
11
12 #include <boost/ptr_container/indirect_fun.hpp>
13 #include <boost/ptr_container/ptr_vector.hpp>
14 #include <boost/assign/list_inserter.hpp>
15 #include <boost/test/test_tools.hpp>
16 #include <algorithm>
17 #include <functional>
18 #include <string>
19
lesser_than(const std::string & l,const std::string & r)20 bool lesser_than( const std::string& l, const std::string& r )
21 {
22 return l < r;
23 }
24
25
test_fun()26 void test_fun()
27 {
28 using namespace boost;
29 ptr_vector<std::string> vec;
30
31 indirect_fun< std::less<std::string> > fun;
32
33 std::string s1("bar");
34 std::string* ptr1 = &s1;
35 std::string s2("foo");
36 std::string* ptr2 = &s2;
37 BOOST_CHECK( fun( ptr1, ptr2 ) == true );
38
39 void* vptr1 = ptr1;
40 void* vptr2 = ptr2;
41
42 void_ptr_indirect_fun< std::less<std::string>, std::string> cast_fun;
43 BOOST_CHECK( cast_fun( vptr1, vptr2 ) == true );
44
45 assign::push_back( vec )( new std::string("aa") )
46 ( new std::string("bb") )
47 ( new std::string("dd") )
48 ( new std::string("cc") )
49 ( new std::string("a") );
50
51 std::sort( vec.begin().base(), vec.end().base(), cast_fun );
52 BOOST_CHECK( vec[0] == "a" );
53 BOOST_CHECK( vec[4] == "dd" );
54
55 std::sort( vec.begin().base(), vec.end().base(),
56 make_void_ptr_indirect_fun<std::string>( &lesser_than ) );
57 BOOST_CHECK( vec[1] == "aa" );
58 BOOST_CHECK( vec[2] == "bb" );
59
60 int i1 = 2;
61 void *iptr1 = &i1;
62 int i2 = 3;
63 void* iptr2 = &i2;
64
65 void_ptr_indirect_fun<std::less<int>, int> int_cast_fun;
66 BOOST_CHECK( int_cast_fun(iptr1,iptr2) );
67
68 }
69
70 #include <boost/test/unit_test.hpp>
71 using boost::unit_test::test_suite;
72
init_unit_test_suite(int argc,char * argv[])73 test_suite* init_unit_test_suite( int argc, char* argv[] )
74 {
75 test_suite* test = BOOST_TEST_SUITE( "Pointer Container Test Suite" );
76
77 test->add( BOOST_TEST_CASE( &test_fun ) );
78
79 return test;
80 }
81
82
83