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