429 lines
12 KiB
C++
429 lines
12 KiB
C++
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#include <cstddef>
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#include <memory>
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#include <tuple>
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#include <utility>
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#include <gtest/gtest.h>
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#include <entt/core/hashed_string.hpp>
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#include <entt/resource/cache.hpp>
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#include <entt/resource/loader.hpp>
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#include "../common/throwing_allocator.hpp"
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struct broken_tag {};
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struct with_callback {};
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template<typename Type>
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struct loader {
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using result_type = std::shared_ptr<Type>;
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template<typename... Args>
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result_type operator()(Args &&...args) const {
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return std::make_shared<Type>(std::forward<Args>(args)...);
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}
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template<typename Func>
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result_type operator()(with_callback, Func &&func) const {
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return std::forward<Func>(func)();
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}
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template<typename... Args>
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result_type operator()(broken_tag, Args &&...) const {
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return {};
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}
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};
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TEST(ResourceCache, Functionalities) {
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using namespace entt::literals;
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entt::resource_cache<int> cache;
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ASSERT_NO_FATAL_FAILURE([[maybe_unused]] auto alloc = cache.get_allocator());
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ASSERT_TRUE(cache.empty());
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ASSERT_EQ(cache.size(), 0u);
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ASSERT_EQ(cache.begin(), cache.end());
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ASSERT_EQ(std::as_const(cache).begin(), std::as_const(cache).end());
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ASSERT_EQ(cache.cbegin(), cache.cend());
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ASSERT_FALSE(cache.contains("resource"_hs));
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cache.load("resource"_hs, 42);
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ASSERT_FALSE(cache.empty());
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ASSERT_EQ(cache.size(), 1u);
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ASSERT_NE(cache.begin(), cache.end());
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ASSERT_NE(std::as_const(cache).begin(), std::as_const(cache).end());
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ASSERT_NE(cache.cbegin(), cache.cend());
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ASSERT_TRUE(cache.contains("resource"_hs));
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cache.clear();
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ASSERT_TRUE(cache.empty());
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ASSERT_EQ(cache.size(), 0u);
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ASSERT_EQ(cache.begin(), cache.end());
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ASSERT_EQ(std::as_const(cache).begin(), std::as_const(cache).end());
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ASSERT_EQ(cache.cbegin(), cache.cend());
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ASSERT_FALSE(cache.contains("resource"_hs));
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}
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TEST(ResourceCache, Constructors) {
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using namespace entt::literals;
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entt::resource_cache<int> cache;
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cache = entt::resource_cache<int>{std::allocator<int>{}};
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cache = entt::resource_cache<int>{entt::resource_loader<int>{}, std::allocator<float>{}};
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cache.load("resource"_hs, 42u);
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entt::resource_cache<int> temp{cache, cache.get_allocator()};
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entt::resource_cache<int> other{std::move(temp), cache.get_allocator()};
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ASSERT_EQ(cache.size(), 1u);
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ASSERT_EQ(other.size(), 1u);
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}
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TEST(ResourceCache, Copy) {
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using namespace entt::literals;
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entt::resource_cache<std::size_t> cache;
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cache.load("resource"_hs, 42u);
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entt::resource_cache<std::size_t> other{cache};
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ASSERT_TRUE(cache.contains("resource"_hs));
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ASSERT_TRUE(other.contains("resource"_hs));
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cache.load("foo"_hs, 99u);
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cache.load("bar"_hs, 77u);
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other.load("quux"_hs, 0u);
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other = cache;
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ASSERT_TRUE(other.contains("resource"_hs));
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ASSERT_TRUE(other.contains("foo"_hs));
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ASSERT_TRUE(other.contains("bar"_hs));
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ASSERT_FALSE(other.contains("quux"_hs));
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ASSERT_EQ(other["resource"_hs], 42u);
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ASSERT_EQ(other["foo"_hs], 99u);
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ASSERT_EQ(other["bar"_hs], 77u);
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}
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TEST(ResourceCache, Move) {
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using namespace entt::literals;
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entt::resource_cache<std::size_t> cache;
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cache.load("resource"_hs, 42u);
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entt::resource_cache<std::size_t> other{std::move(cache)};
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ASSERT_EQ(cache.size(), 0u);
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ASSERT_TRUE(other.contains("resource"_hs));
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cache = other;
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cache.load("foo"_hs, 99u);
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cache.load("bar"_hs, 77u);
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other.load("quux"_hs, 0u);
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other = std::move(cache);
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ASSERT_EQ(cache.size(), 0u);
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ASSERT_TRUE(other.contains("resource"_hs));
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ASSERT_TRUE(other.contains("foo"_hs));
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ASSERT_TRUE(other.contains("bar"_hs));
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ASSERT_FALSE(other.contains("quux"_hs));
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ASSERT_EQ(other["resource"_hs], 42u);
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ASSERT_EQ(other["foo"_hs], 99u);
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ASSERT_EQ(other["bar"_hs], 77u);
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}
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TEST(ResourceCache, Iterator) {
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using namespace entt::literals;
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using iterator = typename entt::resource_cache<int>::iterator;
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static_assert(std::is_same_v<iterator::value_type, std::pair<entt::id_type, entt::resource<int>>>);
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static_assert(std::is_same_v<iterator::pointer, entt::input_iterator_pointer<std::pair<entt::id_type, entt::resource<int>>>>);
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static_assert(std::is_same_v<iterator::reference, std::pair<entt::id_type, entt::resource<int>>>);
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entt::resource_cache<int> cache;
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cache.load("resource"_hs, 42);
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iterator end{cache.begin()};
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iterator begin{};
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begin = cache.end();
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std::swap(begin, end);
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ASSERT_EQ(begin, cache.begin());
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ASSERT_EQ(end, cache.end());
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ASSERT_NE(begin, end);
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ASSERT_EQ(begin++, cache.begin());
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ASSERT_EQ(begin--, cache.end());
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ASSERT_EQ(begin + 1, cache.end());
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ASSERT_EQ(end - 1, cache.begin());
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ASSERT_EQ(++begin, cache.end());
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ASSERT_EQ(--begin, cache.begin());
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ASSERT_EQ(begin += 1, cache.end());
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ASSERT_EQ(begin -= 1, cache.begin());
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ASSERT_EQ(begin + (end - begin), cache.end());
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ASSERT_EQ(begin - (begin - end), cache.end());
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ASSERT_EQ(end - (end - begin), cache.begin());
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ASSERT_EQ(end + (begin - end), cache.begin());
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ASSERT_EQ(begin[0u].first, cache.begin()->first);
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ASSERT_EQ(begin[0u].second, (*cache.begin()).second);
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ASSERT_LT(begin, end);
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ASSERT_LE(begin, cache.begin());
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ASSERT_GT(end, begin);
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ASSERT_GE(end, cache.end());
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cache.load("other"_hs, 3);
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begin = cache.begin();
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ASSERT_EQ(begin[0u].first, "resource"_hs);
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ASSERT_EQ(begin[1u].second, 3);
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}
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TEST(ResourceCache, ConstIterator) {
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using namespace entt::literals;
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using iterator = typename entt::resource_cache<int>::const_iterator;
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static_assert(std::is_same_v<iterator::value_type, std::pair<entt::id_type, entt::resource<const int>>>);
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static_assert(std::is_same_v<iterator::pointer, entt::input_iterator_pointer<std::pair<entt::id_type, entt::resource<const int>>>>);
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static_assert(std::is_same_v<iterator::reference, std::pair<entt::id_type, entt::resource<const int>>>);
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entt::resource_cache<int> cache;
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cache.load("resource"_hs, 42);
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iterator cend{cache.cbegin()};
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iterator cbegin{};
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cbegin = cache.cend();
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std::swap(cbegin, cend);
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ASSERT_EQ(cbegin, cache.cbegin());
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ASSERT_EQ(cend, cache.cend());
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ASSERT_NE(cbegin, cend);
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ASSERT_EQ(cbegin++, cache.cbegin());
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ASSERT_EQ(cbegin--, cache.cend());
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ASSERT_EQ(cbegin + 1, cache.cend());
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ASSERT_EQ(cend - 1, cache.cbegin());
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ASSERT_EQ(++cbegin, cache.cend());
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ASSERT_EQ(--cbegin, cache.cbegin());
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ASSERT_EQ(cbegin += 1, cache.cend());
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ASSERT_EQ(cbegin -= 1, cache.cbegin());
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ASSERT_EQ(cbegin + (cend - cbegin), cache.cend());
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ASSERT_EQ(cbegin - (cbegin - cend), cache.cend());
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ASSERT_EQ(cend - (cend - cbegin), cache.cbegin());
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ASSERT_EQ(cend + (cbegin - cend), cache.cbegin());
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ASSERT_EQ(cbegin[0u].first, cache.cbegin()->first);
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ASSERT_EQ(cbegin[0u].second, (*cache.cbegin()).second);
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ASSERT_LT(cbegin, cend);
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ASSERT_LE(cbegin, cache.cbegin());
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ASSERT_GT(cend, cbegin);
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ASSERT_GE(cend, cache.cend());
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cache.load("other"_hs, 3);
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cbegin = cache.cbegin();
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ASSERT_EQ(cbegin[0u].first, "resource"_hs);
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ASSERT_EQ(cbegin[1u].second, 3);
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}
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TEST(ResourceCache, IteratorConversion) {
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using namespace entt::literals;
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entt::resource_cache<int> cache;
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cache.load("resource"_hs, 42);
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typename entt::resource_cache<int>::iterator it = cache.begin();
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typename entt::resource_cache<int>::const_iterator cit = it;
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static_assert(std::is_same_v<decltype(*it), std::pair<entt::id_type, entt::resource<int>>>);
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static_assert(std::is_same_v<decltype(*cit), std::pair<entt::id_type, entt::resource<const int>>>);
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ASSERT_EQ(it->first, "resource"_hs);
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ASSERT_EQ((*it).second, 42);
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ASSERT_EQ(it->first, cit->first);
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ASSERT_EQ((*it).second, (*cit).second);
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ASSERT_EQ(it - cit, 0);
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ASSERT_EQ(cit - it, 0);
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ASSERT_LE(it, cit);
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ASSERT_LE(cit, it);
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ASSERT_GE(it, cit);
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ASSERT_GE(cit, it);
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ASSERT_EQ(it, cit);
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ASSERT_NE(++cit, it);
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}
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TEST(ResourceCache, Load) {
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using namespace entt::literals;
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entt::resource_cache<int> cache;
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typename entt::resource_cache<int>::iterator it;
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bool result;
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ASSERT_TRUE(cache.empty());
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ASSERT_EQ(cache.size(), 0u);
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ASSERT_EQ(cache["resource"_hs], entt::resource<int>{});
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ASSERT_EQ(std::as_const(cache)["resource"_hs], entt::resource<const int>{});
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ASSERT_FALSE(cache.contains("resource"_hs));
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std::tie(it, result) = cache.load("resource"_hs, 1);
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ASSERT_TRUE(result);
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ASSERT_EQ(cache.size(), 1u);
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ASSERT_EQ(it, --cache.end());
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ASSERT_TRUE(cache.contains("resource"_hs));
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ASSERT_NE(cache["resource"_hs], entt::resource<int>{});
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ASSERT_NE(std::as_const(cache)["resource"_hs], entt::resource<const int>{});
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ASSERT_EQ(it->first, "resource"_hs);
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ASSERT_EQ(it->second, 1);
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std::tie(it, result) = cache.load("resource"_hs, 2);
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ASSERT_FALSE(result);
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ASSERT_EQ(cache.size(), 1u);
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ASSERT_EQ(it, --cache.end());
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ASSERT_EQ(it->second, 1);
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std::tie(it, result) = cache.force_load("resource"_hs, 3);
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ASSERT_TRUE(result);
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ASSERT_EQ(cache.size(), 1u);
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ASSERT_EQ(it, --cache.end());
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ASSERT_EQ(it->second, 3);
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}
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TEST(ResourceCache, Erase) {
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static constexpr std::size_t resource_count = 8u;
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entt::resource_cache<std::size_t> cache;
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for(std::size_t next{}, last = resource_count + 1u; next < last; ++next) {
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cache.load(next, next);
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}
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ASSERT_EQ(cache.size(), resource_count + 1u);
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for(std::size_t next{}, last = resource_count + 1u; next < last; ++next) {
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ASSERT_TRUE(cache.contains(next));
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}
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auto it = cache.erase(++cache.begin());
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it = cache.erase(it, it + 1);
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ASSERT_EQ((--cache.end())->first, 6u);
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ASSERT_EQ(cache.erase(6u), 1u);
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ASSERT_EQ(cache.erase(6u), 0u);
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ASSERT_EQ(cache.size(), resource_count + 1u - 3u);
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ASSERT_EQ(it, ++cache.begin());
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ASSERT_EQ(it->first, 7u);
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ASSERT_EQ((--cache.end())->first, 5u);
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for(std::size_t next{}, last = resource_count + 1u; next < last; ++next) {
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if(next == 1u || next == 8u || next == 6u) {
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ASSERT_FALSE(cache.contains(next));
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} else {
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ASSERT_TRUE(cache.contains(next));
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}
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}
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cache.erase(cache.begin(), cache.end());
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for(std::size_t next{}, last = resource_count + 1u; next < last; ++next) {
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ASSERT_FALSE(cache.contains(next));
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}
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ASSERT_EQ(cache.size(), 0u);
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}
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TEST(ResourceCache, Indexing) {
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using namespace entt::literals;
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entt::resource_cache<int> cache;
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ASSERT_FALSE(cache.contains("resource"_hs));
|
||
|
|
ASSERT_FALSE(cache["resource"_hs]);
|
||
|
|
ASSERT_FALSE(std::as_const(cache)["resource"_hs]);
|
||
|
|
|
||
|
|
cache.load("resource"_hs, 99);
|
||
|
|
|
||
|
|
ASSERT_TRUE(cache.contains("resource"_hs));
|
||
|
|
ASSERT_EQ(cache[std::move("resource"_hs)], 99);
|
||
|
|
ASSERT_EQ(std::as_const(cache)["resource"_hs], 99);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(ResourceCache, LoaderDispatching) {
|
||
|
|
using namespace entt::literals;
|
||
|
|
|
||
|
|
entt::resource_cache<int, loader<int>> cache;
|
||
|
|
cache.force_load("resource"_hs, 99);
|
||
|
|
|
||
|
|
ASSERT_TRUE(cache.contains("resource"_hs));
|
||
|
|
ASSERT_EQ(cache["resource"_hs], 99);
|
||
|
|
|
||
|
|
cache.force_load("resource"_hs, with_callback{}, []() { return std::make_shared<int>(42); });
|
||
|
|
|
||
|
|
ASSERT_TRUE(cache.contains("resource"_hs));
|
||
|
|
ASSERT_EQ(cache["resource"_hs], 42);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(ResourceCache, BrokenLoader) {
|
||
|
|
using namespace entt::literals;
|
||
|
|
|
||
|
|
entt::resource_cache<int, loader<int>> cache;
|
||
|
|
cache.load("resource"_hs, broken_tag{});
|
||
|
|
|
||
|
|
ASSERT_TRUE(cache.contains("resource"_hs));
|
||
|
|
ASSERT_FALSE(cache["resource"_hs]);
|
||
|
|
|
||
|
|
cache.force_load("resource"_hs, 42);
|
||
|
|
|
||
|
|
ASSERT_TRUE(cache.contains("resource"_hs));
|
||
|
|
ASSERT_TRUE(cache["resource"_hs]);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(ResourceCache, ThrowingAllocator) {
|
||
|
|
using namespace entt::literals;
|
||
|
|
|
||
|
|
using allocator = test::throwing_allocator<std::size_t>;
|
||
|
|
using packed_allocator = test::throwing_allocator<entt::internal::dense_map_node<entt::id_type, std::shared_ptr<std::size_t>>>;
|
||
|
|
using packed_exception = typename packed_allocator::exception_type;
|
||
|
|
|
||
|
|
entt::resource_cache<std::size_t, entt::resource_loader<std::size_t>, allocator> cache{};
|
||
|
|
|
||
|
|
packed_allocator::trigger_on_allocate = true;
|
||
|
|
|
||
|
|
ASSERT_THROW(cache.load("resource"_hs), packed_exception);
|
||
|
|
ASSERT_FALSE(cache.contains("resource"_hs));
|
||
|
|
|
||
|
|
packed_allocator::trigger_on_allocate = true;
|
||
|
|
|
||
|
|
ASSERT_THROW(cache.force_load("resource"_hs), packed_exception);
|
||
|
|
ASSERT_FALSE(cache.contains("resource"_hs));
|
||
|
|
}
|