libs/functional/hash/test/hash_sequence_test.hpp

   1
   2 // Copyright 2005-2009 Daniel James.
   3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #if !defined(CONTAINER_TYPE)
   7 #error "CONTAINER_TYPE not defined"
   8 #else
   9
  10 #include <boost/preprocessor/cat.hpp>
  11
  12 #if defined(BOOST_MSVC)
  13 #pragma warning(push)
  14 #pragma warning(disable:4245) // signed/unsigned mismatch
  15 #endif
  16
  17 namespace BOOST_PP_CAT(CONTAINER_TYPE, _tests)
  18 {
  19     template <class T>
  20     void integer_tests(T* = 0)
  21     {
  22         const int number_of_containers = 11;
  23         T containers[number_of_containers];
  24
  25         for(int i = 0; i < 5; ++i) {
  26             for(int j = 0; j < i; ++j)
  27                 containers[i].push_back(0);
  28         }
  29
  30         containers[5].push_back(1);
  31         containers[6].push_back(1);
  32         containers[6].push_back(1);
  33         containers[7].push_back(-1);
  34         containers[8].push_back(-1);
  35         containers[8].push_back(-1);
  36         containers[9].push_back(1);
  37         containers[9].push_back(-1);
  38         containers[10].push_back(-1);
  39         containers[10].push_back(1);
  40
  41         HASH_NAMESPACE::hash<T> hasher;
  42
  43         for(int i2 = 0; i2 < number_of_containers; ++i2) {
  44             BOOST_TEST(hasher(containers[i2]) == hasher(containers[i2]));
  45
  46             BOOST_TEST(hasher(containers[i2]) ==
  47                     HASH_NAMESPACE::hash_value(containers[i2]));
  48
  49             BOOST_TEST(hasher(containers[i2])
  50                     == HASH_NAMESPACE::hash_range(
  51                         containers[i2].begin(), containers[i2].end()));
  52
  53             for(int j2 = i2 + 1; j2 < number_of_containers; ++j2) {
  54                 BOOST_TEST(
  55                         (containers[i2] == containers[j2]) ==
  56                         (hasher(containers[i2]) == hasher(containers[j2]))
  57                         );
  58             }
  59         }
  60     }
  61
  62     void BOOST_PP_CAT(CONTAINER_TYPE, _hash_integer_tests())
  63     {
  64         integer_tests((CONTAINER_TYPE<char>*) 0);
  65         integer_tests((CONTAINER_TYPE<int>*) 0);
  66         integer_tests((CONTAINER_TYPE<unsigned long>*) 0);
  67         integer_tests((CONTAINER_TYPE<double>*) 0);
  68     }
  69 }
  70
  71 #if defined(BOOST_MSVC)
  72 #pragma warning(pop)
  73 #endif
  74
  75 #undef CONTAINER_TYPE
  76 #endif