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Implement heterogeneous equal_range() for unordered_map

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LeonineKing1199
2021-12-01 09:39:07 -08:00
parent 6249660e1f
commit 13f40e4333
2 changed files with 179 additions and 0 deletions
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151
test/unordered/transparent_tests.cpp
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@@ -272,6 +272,153 @@ template <class UnorderedMap> void test_non_transparent_find()
}
}
template <class UnorderedMap> void test_transparent_equal_range()
{
count_reset();
UnorderedMap unordered_map;
unordered_map[key(0)] = 1337;
int const expected_key_count = 2;
BOOST_TEST(key::count_ == expected_key_count);
typedef typename UnorderedMap::value_type value_type;
// explicitly test `equal_range()` vs `equal_range() const`
//
{
typedef typename UnorderedMap::iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap& map = unordered_map;
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin != end);
BOOST_TEST(begin != map.end());
value_type const& val = *begin;
BOOST_TEST(val.second == 1337);
iters = map.equal_range(1337);
begin = iters.first;
end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(key::count_ == expected_key_count);
}
{
typedef typename UnorderedMap::const_iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap const& map = unordered_map;
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin != end);
BOOST_TEST(begin != map.end());
value_type const& val = *begin;
BOOST_TEST(val.second == 1337);
iters = map.equal_range(1337);
begin = iters.first;
end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(key::count_ == expected_key_count);
}
}
template <class UnorderedMap> void test_non_transparent_equal_range()
{
count_reset();
UnorderedMap unordered_map;
unordered_map[key(0)] = 1337;
int key_count = 2;
BOOST_TEST(key::count_ == key_count);
typedef typename UnorderedMap::value_type value_type;
// explicitly test `equal_range()` vs `equal_range() const`
//
{
typedef typename UnorderedMap::iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap& map = unordered_map;
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin != end);
BOOST_TEST(begin != map.end());
value_type const& val = *begin;
BOOST_TEST(val.second == 1337);
iters = map.equal_range(1337);
begin = iters.first;
end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(key::count_ == 2 + key_count);
key_count += 2;
}
{
typedef typename UnorderedMap::const_iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap const& map = unordered_map;
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin != end);
BOOST_TEST(begin != map.end());
value_type const& val = *begin;
BOOST_TEST(val.second == 1337);
iters = map.equal_range(1337);
begin = iters.first;
end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(key::count_ == 2 + key_count);
}
}
UNORDERED_AUTO_TEST (unordered_map_transparent_count) {
{
typedef boost::unordered_map<key, int, transparent_hasher,
@@ -280,6 +427,7 @@ UNORDERED_AUTO_TEST (unordered_map_transparent_count) {
test_transparent_count<unordered_map>();
test_transparent_find<unordered_map>();
test_transparent_equal_range<unordered_map>();
}
{
@@ -289,6 +437,7 @@ UNORDERED_AUTO_TEST (unordered_map_transparent_count) {
test_non_transparent_count<unordered_map>();
test_non_transparent_find<unordered_map>();
test_non_transparent_equal_range<unordered_map>();
}
{
@@ -299,6 +448,7 @@ UNORDERED_AUTO_TEST (unordered_map_transparent_count) {
test_non_transparent_count<unordered_map>();
test_non_transparent_find<unordered_map>();
test_non_transparent_equal_range<unordered_map>();
}
{
@@ -309,6 +459,7 @@ UNORDERED_AUTO_TEST (unordered_map_transparent_count) {
test_non_transparent_count<unordered_map>();
test_non_transparent_find<unordered_map>();
test_non_transparent_equal_range<unordered_map>();
}
}