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 | |
20 | bool lesser_than( const std::string& l, const std::string& r ) |
21 | { |
22 | return l < r; |
23 | } |
24 | |
25 | |
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( c&: 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( first: vec.begin().base(), last: vec.end().base(), comp: cast_fun ); |
52 | BOOST_CHECK( vec[0] == "a" ); |
53 | BOOST_CHECK( vec[4] == "dd" ); |
54 | |
55 | std::sort( first: vec.begin().base(), last: vec.end().base(), |
56 | comp: make_void_ptr_indirect_fun<std::string>( f: &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 | |
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 | |