hash_std_tuple_test.cpp 2.2 KB

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  1. // Copyright 2012 Daniel James.
  2. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  3. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  4. #include "./config.hpp"
  5. #ifdef BOOST_HASH_TEST_EXTENSIONS
  6. # ifdef BOOST_HASH_TEST_STD_INCLUDES
  7. # include <functional>
  8. # else
  9. # include <boost/container_hash/hash.hpp>
  10. # endif
  11. #endif
  12. #include <boost/config.hpp>
  13. #include <boost/core/lightweight_test.hpp>
  14. #if defined(BOOST_HASH_TEST_EXTENSIONS) && !defined(BOOST_NO_CXX11_HDR_TUPLE)
  15. #define TEST_TUPLE
  16. #include <tuple>
  17. #include <vector>
  18. #endif
  19. #ifdef TEST_TUPLE
  20. template <typename T>
  21. void tuple_tests(T const& v) {
  22. boost::hash<typename T::value_type> hf;
  23. for(typename T::const_iterator i = v.begin(); i != v.end(); ++i) {
  24. for(typename T::const_iterator j = v.begin(); j != v.end(); ++j) {
  25. if (i != j)
  26. BOOST_TEST(hf(*i) != hf(*j));
  27. else
  28. BOOST_TEST(hf(*i) == hf(*j));
  29. }
  30. }
  31. }
  32. void empty_tuple_test() {
  33. boost::hash<std::tuple<> > empty_tuple_hash;
  34. std::tuple<> empty_tuple;
  35. BOOST_TEST(empty_tuple_hash(empty_tuple) == boost::hash_value(empty_tuple));
  36. }
  37. void int_tuple_test() {
  38. std::vector<std::tuple<int> > int_tuples;
  39. int_tuples.push_back(std::make_tuple(0));
  40. int_tuples.push_back(std::make_tuple(1));
  41. int_tuples.push_back(std::make_tuple(2));
  42. tuple_tests(int_tuples);
  43. }
  44. void int_string_tuple_test() {
  45. std::vector<std::tuple<int, std::string> > int_string_tuples;
  46. int_string_tuples.push_back(std::make_tuple(0, std::string("zero")));
  47. int_string_tuples.push_back(std::make_tuple(1, std::string("one")));
  48. int_string_tuples.push_back(std::make_tuple(2, std::string("two")));
  49. int_string_tuples.push_back(std::make_tuple(0, std::string("one")));
  50. int_string_tuples.push_back(std::make_tuple(1, std::string("zero")));
  51. int_string_tuples.push_back(std::make_tuple(0, std::string("")));
  52. int_string_tuples.push_back(std::make_tuple(1, std::string("")));
  53. tuple_tests(int_string_tuples);
  54. }
  55. #endif // TEST_TUPLE
  56. int main()
  57. {
  58. #ifdef TEST_TUPLE
  59. empty_tuple_test();
  60. int_tuple_test();
  61. int_string_tuple_test();
  62. #endif
  63. return boost::report_errors();
  64. }