108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
#include <type_traits>
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#include <gtest/gtest.h>
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#include <entt/config/config.h>
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#include <entt/entity/component.hpp>
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#include "../../common/boxed_type.h"
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#include "../../common/empty.h"
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#include "../../common/entity.h"
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#include "../../common/non_movable.h"
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struct self_contained {
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static constexpr auto in_place_delete = true;
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static constexpr auto page_size = 4u;
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};
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struct traits_based {};
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template<>
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struct entt::component_traits<traits_based /*, entt::entity */> {
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using entity_type = entt::entity;
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using element_type = traits_based;
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static constexpr auto in_place_delete = true;
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static constexpr auto page_size = 8u;
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};
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template<>
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struct entt::component_traits<traits_based, test::entity> {
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using entity_type = test::entity;
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using element_type = traits_based;
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static constexpr auto in_place_delete = false;
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static constexpr auto page_size = 16u;
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};
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template<typename Entity>
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struct entt::component_traits<traits_based, Entity> {
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using entity_type = Entity;
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using element_type = traits_based;
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static constexpr auto in_place_delete = true;
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static constexpr auto page_size = 32u;
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};
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template<typename Type>
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struct Component: testing::Test {
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using entity_type = Type;
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};
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using EntityTypes = ::testing::Types<entt::entity, test::entity, test::other_entity>;
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TYPED_TEST_SUITE(Component, EntityTypes, );
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TYPED_TEST(Component, VoidType) {
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using entity_type = typename TestFixture::entity_type;
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using traits_type = entt::component_traits<void, entity_type>;
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ASSERT_FALSE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, 0u);
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}
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TYPED_TEST(Component, Empty) {
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using entity_type = typename TestFixture::entity_type;
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using traits_type = entt::component_traits<test::empty, entity_type>;
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ASSERT_FALSE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, 0u);
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}
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TYPED_TEST(Component, NonEmpty) {
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using entity_type = typename TestFixture::entity_type;
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using traits_type = entt::component_traits<test::boxed_int, entity_type>;
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ASSERT_FALSE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, ENTT_PACKED_PAGE);
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}
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TYPED_TEST(Component, NonMovable) {
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using entity_type = typename TestFixture::entity_type;
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using traits_type = entt::component_traits<test::non_movable, entity_type>;
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ASSERT_TRUE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, ENTT_PACKED_PAGE);
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}
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TYPED_TEST(Component, SelfContained) {
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using entity_type = typename TestFixture::entity_type;
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using traits_type = entt::component_traits<self_contained, entity_type>;
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ASSERT_TRUE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, 4u);
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}
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TYPED_TEST(Component, TraitsBased) {
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using entity_type = typename TestFixture::entity_type;
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using traits_type = entt::component_traits<traits_based, entity_type>;
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if constexpr(std::is_same_v<entity_type, entt::entity>) {
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ASSERT_TRUE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, 8u);
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} else if constexpr(std::is_same_v<entity_type, test::entity>) {
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ASSERT_FALSE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, 16u);
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} else {
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ASSERT_TRUE(traits_type::in_place_delete);
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ASSERT_EQ(traits_type::page_size, 32u);
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}
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}
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