tracker.hpp 3.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
  1. // Copyright 2006-2009 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. // This header contains metafunctions/functions to get the equivalent
  5. // associative container for an unordered container, and compare the contents.
  6. #if !defined(BOOST_UNORDERED_TEST_HELPERS_TRACKER_HEADER)
  7. #define BOOST_UNORDERED_TEST_HELPERS_TRACKER_HEADER
  8. #include "../objects/fwd.hpp"
  9. #include "./equivalent.hpp"
  10. #include "./helpers.hpp"
  11. #include "./list.hpp"
  12. #include "./metafunctions.hpp"
  13. #include <algorithm>
  14. #include <iterator>
  15. #include <map>
  16. #include <set>
  17. namespace test {
  18. template <typename X> struct equals_to_compare
  19. {
  20. typedef std::less<typename X::first_argument_type> type;
  21. };
  22. template <> struct equals_to_compare<test::equal_to>
  23. {
  24. typedef test::less type;
  25. };
  26. template <class X1, class X2> void compare_range(X1 const& x1, X2 const& x2)
  27. {
  28. typedef test::list<typename X1::value_type> value_list;
  29. value_list values1(x1.begin(), x1.end());
  30. value_list values2(x2.begin(), x2.end());
  31. values1.sort();
  32. values2.sort();
  33. BOOST_TEST(values1.size() == values2.size() &&
  34. test::equal(values1.begin(), values1.end(), values2.begin(),
  35. test::equivalent));
  36. }
  37. template <class X1, class X2, class T>
  38. void compare_pairs(X1 const& x1, X2 const& x2, T*)
  39. {
  40. test::list<T> values1(x1.first, x1.second);
  41. test::list<T> values2(x2.first, x2.second);
  42. values1.sort();
  43. values2.sort();
  44. BOOST_TEST(values1.size() == values2.size() &&
  45. test::equal(values1.begin(), values1.end(), values2.begin(),
  46. test::equivalent));
  47. }
  48. template <typename X, bool is_set = test::is_set<X>::value,
  49. bool has_unique_keys = test::has_unique_keys<X>::value>
  50. struct ordered_base;
  51. template <typename X> struct ordered_base<X, true, true>
  52. {
  53. typedef std::set<typename X::value_type,
  54. typename equals_to_compare<typename X::key_equal>::type>
  55. type;
  56. };
  57. template <typename X> struct ordered_base<X, true, false>
  58. {
  59. typedef std::multiset<typename X::value_type,
  60. typename equals_to_compare<typename X::key_equal>::type>
  61. type;
  62. };
  63. template <typename X> struct ordered_base<X, false, true>
  64. {
  65. typedef std::map<typename X::key_type, typename X::mapped_type,
  66. typename equals_to_compare<typename X::key_equal>::type>
  67. type;
  68. };
  69. template <typename X> struct ordered_base<X, false, false>
  70. {
  71. typedef std::multimap<typename X::key_type, typename X::mapped_type,
  72. typename equals_to_compare<typename X::key_equal>::type>
  73. type;
  74. };
  75. template <class X> class ordered : public ordered_base<X>::type
  76. {
  77. typedef typename ordered_base<X>::type base;
  78. public:
  79. typedef typename base::key_compare key_compare;
  80. ordered() : base() {}
  81. explicit ordered(key_compare const& kc) : base(kc) {}
  82. void compare(X const& x) { compare_range(x, *this); }
  83. void compare_key(X const& x, typename X::value_type const& val)
  84. {
  85. compare_pairs(x.equal_range(get_key<X>(val)),
  86. this->equal_range(get_key<X>(val)), (typename X::value_type*)0);
  87. }
  88. template <class It> void insert_range(It b, It e)
  89. {
  90. while (b != e) {
  91. this->insert(*b);
  92. ++b;
  93. }
  94. }
  95. };
  96. template <class Equals>
  97. typename equals_to_compare<Equals>::type create_compare(Equals const&)
  98. {
  99. typename equals_to_compare<Equals>::type x;
  100. return x;
  101. }
  102. template <class X> ordered<X> create_ordered(X const& container)
  103. {
  104. return ordered<X>(create_compare(container.key_eq()));
  105. }
  106. template <class X1, class X2>
  107. void check_container(X1 const& container, X2 const& values)
  108. {
  109. ordered<X1> tracker = create_ordered(container);
  110. tracker.insert_range(values.begin(), values.end());
  111. tracker.compare(container);
  112. }
  113. }
  114. #endif