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// Copyright 2008-2009 Daniel James.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// clang-format off
#include "../helpers/prefix.hpp"
#include <boost/unordered_set.hpp>
#include <boost/unordered_map.hpp>
#include "../helpers/postfix.hpp"
// clang-format on
#include <boost/preprocessor/seq.hpp>
#include <list>
#include "../helpers/test.hpp"
namespace equality_tests {
struct mod_compare
{
bool alt_hash_;
explicit mod_compare(bool alt_hash = false) : alt_hash_(alt_hash) {}
bool operator()(int x, int y) const { return x % 1000 == y % 1000; }
std::size_t operator()(int x) const
{
return alt_hash_ ? static_cast<std::size_t>(x % 250)
: static_cast<std::size_t>((x + 5) % 250);
}
};
#define UNORDERED_EQUALITY_SET_TEST(seq1, op, seq2) \
{ \
boost::unordered_set<int, mod_compare, mod_compare> set1, set2; \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set1, seq1) \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set2, seq2) \
BOOST_TEST(set1 op set2); \
}
#define UNORDERED_EQUALITY_MULTISET_TEST(seq1, op, seq2) \
{ \
boost::unordered_multiset<int, mod_compare, mod_compare> set1, set2; \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set1, seq1) \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_SET_INSERT, set2, seq2) \
BOOST_TEST(set1 op set2); \
}
#define UNORDERED_EQUALITY_MAP_TEST(seq1, op, seq2) \
{ \
boost::unordered_map<int, int, mod_compare, mod_compare> map1, map2; \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map1, seq1) \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map2, seq2) \
BOOST_TEST(map1 op map2); \
}
#define UNORDERED_EQUALITY_MULTIMAP_TEST(seq1, op, seq2) \
{ \
boost::unordered_multimap<int, int, mod_compare, mod_compare> map1, map2; \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map1, seq1) \
BOOST_PP_SEQ_FOR_EACH(UNORDERED_MAP_INSERT, map2, seq2) \
BOOST_TEST(map1 op map2); \
}
#define UNORDERED_SET_INSERT(r, set, item) set.insert(item);
#define UNORDERED_MAP_INSERT(r, map, item) \
map.insert(std::pair<int const, int> BOOST_PP_SEQ_TO_TUPLE(item));
UNORDERED_AUTO_TEST (equality_size_tests) {
boost::unordered_set<int> x1, x2;
BOOST_TEST(x1 == x2);
BOOST_TEST(!(x1 != x2));
x1.insert(1);
BOOST_TEST(x1 != x2);
BOOST_TEST(!(x1 == x2));
BOOST_TEST(x2 != x1);
BOOST_TEST(!(x2 == x1));
x2.insert(1);
BOOST_TEST(x1 == x2);
BOOST_TEST(!(x1 != x2));
x2.insert(2);
BOOST_TEST(x1 != x2);
BOOST_TEST(!(x1 == x2));
BOOST_TEST(x2 != x1);
BOOST_TEST(!(x2 == x1));
}
UNORDERED_AUTO_TEST (equality_key_value_tests) {
UNORDERED_EQUALITY_MULTISET_TEST((1), !=, (2))
UNORDERED_EQUALITY_SET_TEST((2), ==, (2))
UNORDERED_EQUALITY_MAP_TEST(((1)(1))((2)(1)), !=, ((1)(1))((3)(1)))
}
UNORDERED_AUTO_TEST (equality_collision_test) {
UNORDERED_EQUALITY_MULTISET_TEST((1), !=, (501))
UNORDERED_EQUALITY_MULTISET_TEST((1)(251), !=, (1)(501))
UNORDERED_EQUALITY_MULTIMAP_TEST(((251)(1))((1)(1)), !=, ((501)(1))((1)(1)))
UNORDERED_EQUALITY_MULTISET_TEST((1)(501), ==, (1)(501))
UNORDERED_EQUALITY_SET_TEST((1)(501), ==, (501)(1))
}
UNORDERED_AUTO_TEST (equality_group_size_test) {
UNORDERED_EQUALITY_MULTISET_TEST((10)(20)(20), !=, (10)(10)(20))
UNORDERED_EQUALITY_MULTIMAP_TEST(
((10)(1))((20)(1))((20)(1)), !=, ((10)(1))((20)(1))((10)(1)))
UNORDERED_EQUALITY_MULTIMAP_TEST(
((20)(1))((10)(1))((10)(1)), ==, ((10)(1))((20)(1))((10)(1)))
}
UNORDERED_AUTO_TEST (equality_map_value_test) {
UNORDERED_EQUALITY_MAP_TEST(((1)(1)), !=, ((1)(2)))
UNORDERED_EQUALITY_MAP_TEST(((1)(1)), ==, ((1)(1)))
UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(1)), !=, ((1)(2)))
UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(1))((1)(1)), !=, ((1)(1))((1)(2)))
UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(2))((1)(1)), ==, ((1)(1))((1)(2)))
UNORDERED_EQUALITY_MULTIMAP_TEST(((1)(2))((1)(1)), !=, ((1)(1))((1)(3)))
}
UNORDERED_AUTO_TEST (equality_predicate_test) {
UNORDERED_EQUALITY_SET_TEST((1), !=, (1001))
UNORDERED_EQUALITY_MAP_TEST(((1)(2))((1001)(1)), !=, ((1001)(2))((1)(1)))
}
UNORDERED_AUTO_TEST (equality_multiple_group_test) {
UNORDERED_EQUALITY_MULTISET_TEST(
(1)(1)(1)(1001)(2001)(2001)(2)(1002)(3)(1003)(2003), ==,
(3)(1003)(2003)(1002)(2)(2001)(2001)(1)(1001)(1)(1))
}
// Test that equality still works when the two containers have
// different hash functions but the same equality predicate.
UNORDERED_AUTO_TEST (equality_different_hash_test) {
typedef boost::unordered_set<int, mod_compare, mod_compare> set;
set set1(0, mod_compare(false), mod_compare(false));
set set2(0, mod_compare(true), mod_compare(true));
BOOST_TEST(set1 == set2);
set1.insert(1);
set2.insert(2);
BOOST_TEST(set1 != set2);
set1.insert(2);
set2.insert(1);
BOOST_TEST(set1 == set2);
set1.insert(10);
set2.insert(20);
BOOST_TEST(set1 != set2);
set1.insert(20);
set2.insert(10);
BOOST_TEST(set1 == set2);
}
}
RUN_TESTS()
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