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Add test cases for empty UnorderedMaps for equal_range()

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This commit is contained in:
LeonineKing1199
2021-12-02 09:42:30 -08:00
parent 9955886ef5
commit a97483b928
1 changed files with 81 additions and 1 deletions
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82
test/unordered/transparent_tests.cpp
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@ -278,6 +278,46 @@ template <class UnorderedMap> void test_transparent_equal_range()
UnorderedMap unordered_map;
// empty tests
//
// explicitly test `equal_range()` vs `equal_range() const`
//
{
typedef typename UnorderedMap::iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap& map = unordered_map;
BOOST_TEST(map.empty());
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(std::distance(begin, end) == 0);
}
{
typedef typename UnorderedMap::const_iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap const& map = unordered_map;
BOOST_TEST(map.empty());
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(std::distance(begin, end) == 0);
}
BOOST_TEST(key::count_ == 0);
unordered_map[key(0)] = 1337;
unordered_map[key(1)] = 1338;
unordered_map[key(2)] = 1339;
@ -359,11 +399,51 @@ template <class UnorderedMap> void test_non_transparent_equal_range()
UnorderedMap unordered_map;
// empty tests
//
// explicitly test `equal_range()` vs `equal_range() const`
//
{
typedef typename UnorderedMap::iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap& map = unordered_map;
BOOST_TEST(map.empty());
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(std::distance(begin, end) == 0);
}
{
typedef typename UnorderedMap::const_iterator iterator;
typedef std::pair<iterator, iterator> iterator_pair;
UnorderedMap const& map = unordered_map;
BOOST_TEST(map.empty());
iterator_pair iters = map.equal_range(0);
iterator begin = iters.first;
iterator end = iters.second;
BOOST_TEST(begin == end);
BOOST_TEST(begin == map.end());
BOOST_TEST(std::distance(begin, end) == 0);
}
BOOST_TEST(key::count_ == 2);
unordered_map[key(0)] = 1337;
unordered_map[key(1)] = 1338;
unordered_map[key(2)] = 1339;
int key_count = 6;
int key_count = 8;
BOOST_TEST(key::count_ == key_count);