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Diffstat (limited to 'tests/test_unordered_set.cpp')
| -rw-r--r-- | tests/test_unordered_set.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/tests/test_unordered_set.cpp b/tests/test_unordered_set.cpp new file mode 100644 index 0000000..e90a0d4 --- /dev/null +++ b/tests/test_unordered_set.cpp @@ -0,0 +1,199 @@ +#include <frozen/string.h> +#include <frozen/unordered_set.h> +#include <frozen/bits/elsa_std.h> +#include <iostream> +#include <unordered_set> +#include <string> + +#include "bench.hpp" +#include "catch.hpp" + +TEST_CASE("singleton frozen unordered set", "[unordered set]") { + constexpr frozen::unordered_set<int, 1> ze_set{1}; + + constexpr auto empty = ze_set.empty(); + REQUIRE(!empty); + + constexpr auto size = ze_set.size(); + REQUIRE(size == 1); + + constexpr auto max_size = ze_set.max_size(); + REQUIRE(max_size == 1); + + constexpr auto nocount = ze_set.count(3); + REQUIRE(nocount == 0); + + constexpr auto count = ze_set.count(1); + REQUIRE(count == 1); + + auto notfound = ze_set.find(3); + REQUIRE(notfound == ze_set.end()); + + auto found = ze_set.find(1); + REQUIRE(found == ze_set.begin()); + + auto range = ze_set.equal_range(1); + REQUIRE(std::get<0>(range) == ze_set.begin()); + REQUIRE(std::get<1>(range) == ze_set.end()); + + auto begin = ze_set.begin(), end = ze_set.end(); + REQUIRE(begin != end); + + // auto constexpr key_hash = ze_set.hash_function(); + // auto constexpr key_hashed = key_hash(1); + // REQUIRE(key_hashed); + + auto constexpr key_eq = ze_set.key_eq(); + auto constexpr value_comparison = key_eq(11, 11); + REQUIRE(value_comparison); + + auto cbegin = ze_set.cbegin(), cend = ze_set.cend(); + REQUIRE(cbegin < cend); + + std::for_each(ze_set.begin(), ze_set.end(), [](int) {}); +} + +TEST_CASE("tripleton str frozen unordered set", "[unordered set]") { + constexpr frozen::unordered_set<uint16_t, 3> ze_set{1, 2, 3}; + + constexpr auto empty = ze_set.empty(); + REQUIRE(!empty); + + constexpr auto size = ze_set.size(); + REQUIRE(size == 3); + + constexpr auto max_size = ze_set.max_size(); + REQUIRE(max_size == 3); + + constexpr auto nocount = ze_set.count(4); + REQUIRE(nocount == 0); + + constexpr auto count = ze_set.count(1); + REQUIRE(count == 1); + + auto notfound = ze_set.find(4); + REQUIRE(notfound == ze_set.end()); + + auto found = ze_set.find(1); + REQUIRE(found == ze_set.begin()); + + auto range = ze_set.equal_range(1); + REQUIRE(std::get<0>(range) != ze_set.end()); + + auto begin = ze_set.begin(), end = ze_set.end(); + REQUIRE(begin != end); + + // auto constexpr key_hash = ze_set.hash_function(); + // auto constexpr key_hashed = key_hash(1); + // REQUIRE(key_hashed); + + auto constexpr key_eq = ze_set.key_eq(); + auto constexpr value_comparison = key_eq(11, 11); + REQUIRE(value_comparison); + + auto cbegin = ze_set.cbegin(), cend = ze_set.cend(); + REQUIRE(cbegin != cend); + + std::for_each(ze_set.begin(), ze_set.end(), [](uint16_t const &) {}); +} + +TEST_CASE("frozen::unordered_set<int> <> std::unordered_set", + "[unordered_set]") { + +#define INIT_SEQ \ + 19, 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 111, 1112, 1115, 1118, 1110, 1977, 177, \ + 277, 477, 577, 677, 777, 877, 977, 1077, 1177, 11177, 111277, 111577, \ + 111877, 111077, 1999, 199, 299, 499, 599, 699, 799, 899, 999, 1099, \ + 1199, 11199, 111299, 111599, 111899, 111099, 197799, 17799, 27799, \ + 47799, 57799, 67799, 77799, 87799, 97799, 107799, 117799, 1117799, \ + 11127799, 11157799, 11187799, 11107799, 1988, 188, 288, 488, 588, 688, \ + 788, 888, 988, 1088, 1188, 11188, 111288, 111588, 111888, 111088, \ + 197788, 17788, 27788, 47788, 57788, 67788, 77788, 87788, 97788, 107788, \ + 117788, 1117788, 11127788, 11157788, 11187788, 11107788, 199988, 19988, \ + 29988, 49988, 59988, 69988, 79988, 89988, 99988, 109988, 119988, \ + 1119988, 11129988, 11159988, 11189988, 11109988, 19779988, 1779988, \ + 2779988, 4779988, 5779988, 6779988, 7779988, 8779988, 9779988, 10779988, \ + 11779988, 111779988, 1112779988, 1115779988, 1118779988, 1110779988, 456 + + const std::unordered_set<int> std_set = {INIT_SEQ}; + constexpr frozen::unordered_set<int, 129> frozen_set = {INIT_SEQ}; + { + REQUIRE(std_set.size() == frozen_set.size()); + for (auto v : std_set) + REQUIRE(frozen_set.count(v)); + for (auto v : frozen_set) + REQUIRE(std_set.count(v)); + } + +} + +TEST_CASE("frozen::unordered_set with enum keys", "[unordered_set]") { + enum class some_enum { + A,B,C + }; + constexpr frozen::unordered_set<some_enum, 2> frozen_set = { some_enum::A, some_enum::B }; + REQUIRE(frozen_set.count(some_enum::A) == 1); + REQUIRE(frozen_set.count(some_enum::C) == 0); +} + +TEST_CASE("frozen::unordered_set <> frozen::make_unordered_set", "[unordered_set]") { + constexpr frozen::unordered_set<int, 129> from_ctor = { INIT_SEQ }; + constexpr int init_array[]{INIT_SEQ}; + constexpr auto from_c_array = frozen::make_unordered_set(init_array); + constexpr auto from_std_array = frozen::make_unordered_set(std::array<int, 129>{{INIT_SEQ}}); + REQUIRE(std::equal(from_c_array.begin(), from_c_array.end(), from_std_array.begin())); + + SECTION("checking size and content") { + REQUIRE(from_ctor.size() == from_c_array.size()); + for (auto v : from_c_array) + REQUIRE(from_ctor.count(v)); + for (auto v : from_ctor) + REQUIRE(from_c_array.count(v)); + } +} +TEST_CASE("frozen::unordered_set constexpr", "[unordered_set]") { + constexpr frozen::unordered_set<unsigned, 2> ce = {3, 11}; + static_assert(ce.begin() +2 == ce.end(), ""); + static_assert(ce.size() == 2, ""); + static_assert(ce.count(3), ""); + static_assert(!ce.count(0), ""); + static_assert(ce.find(0) == ce.end(), ""); +} + +#ifdef FROZEN_LETITGO_HAS_DEDUCTION_GUIDES + +TEST_CASE("frozen::unordered_set deduction guide", "[unordered_set]") { + constexpr frozen::unordered_set integersSet{1,2,3,4,5}; + static_assert(std::is_same< + std::remove_cv_t<decltype(integersSet)>, + frozen::unordered_set<int, 5>>::value, "wrong type deduced"); +} + +#endif // FROZEN_LETITGO_HAS_DEDUCTION_GUIDES + +TEST_CASE("frozen::unordered_set heterogeneous lookup", "[unordered_set]") { + using namespace frozen::string_literals; + + constexpr frozen::unordered_set<frozen::string, 3> set{"one"_s, "two"_s, "three"_s}; + + const auto eq = [](const frozen::string& frozen, const std::string& std) { + return frozen == frozen::string{std.data(), std.size()}; + }; + + REQUIRE(set.find(std::string{"two"}, frozen::elsa<std::string>{}, eq) != set.end()); +} + +TEST_CASE("frozen::unordered_set heterogeneous container", "[unordered_set]") { + using namespace frozen::string_literals; + + const auto eq = [](const frozen::string& frozen, const auto& str) { + return frozen == frozen::string{str.data(), str.size()}; + }; + + constexpr auto set = frozen::make_unordered_set<frozen::string>( + {"one"_s, "two"_s, "three"_s}, + frozen::elsa<>{}, eq); + + REQUIRE(set.find(std::string{"two"}) != set.end()); + REQUIRE(set.find(frozen::string{"two"}) != set.end()); +} |