107 lines
4.2 KiB
C++
107 lines
4.2 KiB
C++
#include <gtest/gtest.h>
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#include <entt/entity/entity.hpp>
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#include "../common/custom_entity.h"
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struct custom_entity_traits {
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using value_type = test::custom_entity;
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using entity_type = std::uint32_t;
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using version_type = std::uint16_t;
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static constexpr entity_type entity_mask = 0x3FFFF; // 18b
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static constexpr entity_type version_mask = 0x3FFF; // 14b
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};
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template<>
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struct entt::entt_traits<test::custom_entity>: entt::basic_entt_traits<custom_entity_traits> {
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static constexpr std::size_t page_size = ENTT_SPARSE_PAGE;
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};
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template<typename Type>
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struct Entity: testing::Test {
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using type = Type;
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};
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using EntityTypes = ::testing::Types<entt::entity, test::custom_entity>;
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TYPED_TEST_SUITE(Entity, EntityTypes, );
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TYPED_TEST(Entity, Traits) {
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using entity_type = typename TestFixture::type;
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using traits_type = entt::entt_traits<entity_type>;
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constexpr entity_type tombstone{entt::tombstone};
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constexpr entity_type null{entt::null};
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const entity_type entity = traits_type::construct(42u, 1u);
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const entity_type other = traits_type::construct(3u, 0u);
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ASSERT_EQ(entt::to_integral(entity), entt::to_integral(entity));
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ASSERT_NE(entt::to_integral(entity), entt::to_integral<entity_type>(entt::null));
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ASSERT_NE(entt::to_integral(entity), entt::to_integral(entity_type{}));
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ASSERT_EQ(entt::to_entity(entity), 42u);
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ASSERT_EQ(entt::to_version(entity), 1u);
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ASSERT_EQ(entt::to_entity(other), 3u);
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ASSERT_EQ(entt::to_version(other), 0u);
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ASSERT_EQ(traits_type::construct(entt::to_entity(entity), entt::to_version(entity)), entity);
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ASSERT_EQ(traits_type::construct(entt::to_entity(other), entt::to_version(other)), other);
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ASSERT_NE(traits_type::construct(entt::to_entity(entity), {}), entity);
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ASSERT_EQ(traits_type::construct(entt::to_entity(other), entt::to_version(entity)), traits_type::combine(entt::to_integral(other), entt::to_integral(entity)));
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ASSERT_EQ(traits_type::combine(entt::tombstone, entt::null), tombstone);
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ASSERT_EQ(traits_type::combine(entt::null, entt::tombstone), null);
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ASSERT_EQ(traits_type::next(entity), traits_type::construct(entt::to_integral(entity), entt::to_version(entity) + 1u));
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ASSERT_EQ(traits_type::next(other), traits_type::construct(entt::to_integral(other), entt::to_version(other) + 1u));
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ASSERT_EQ(traits_type::next(entt::tombstone), traits_type::construct(entt::null, {}));
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ASSERT_EQ(traits_type::next(entt::null), traits_type::construct(entt::null, {}));
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}
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TYPED_TEST(Entity, Null) {
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using entity_type = typename TestFixture::type;
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using traits_type = entt::entt_traits<entity_type>;
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constexpr entity_type null{entt::null};
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ASSERT_FALSE(entity_type{} == entt::null);
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ASSERT_TRUE(entt::null == entt::null);
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ASSERT_FALSE(entt::null != entt::null);
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const entity_type entity{42u};
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ASSERT_EQ(traits_type::combine(entt::null, entt::to_integral(entity)), (traits_type::construct(entt::to_entity(null), entt::to_version(entity))));
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ASSERT_EQ(traits_type::combine(entt::null, entt::to_integral(null)), null);
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ASSERT_EQ(traits_type::combine(entt::null, entt::tombstone), null);
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ASSERT_FALSE(entity == entt::null);
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ASSERT_FALSE(entt::null == entity);
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ASSERT_TRUE(entity != entt::null);
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ASSERT_TRUE(entt::null != entity);
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}
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TYPED_TEST(Entity, Tombstone) {
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using entity_type = typename TestFixture::type;
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using traits_type = entt::entt_traits<entity_type>;
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constexpr entity_type tombstone{entt::tombstone};
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ASSERT_FALSE(entity_type{} == entt::tombstone);
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ASSERT_TRUE(entt::tombstone == entt::tombstone);
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ASSERT_FALSE(entt::tombstone != entt::tombstone);
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const entity_type entity{42u};
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ASSERT_EQ(traits_type::combine(entt::to_integral(entity), entt::tombstone), (traits_type::construct(entt::to_entity(entity), entt::to_version(tombstone))));
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ASSERT_EQ(traits_type::combine(entt::tombstone, entt::to_integral(tombstone)), tombstone);
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ASSERT_EQ(traits_type::combine(entt::tombstone, entt::null), tombstone);
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ASSERT_FALSE(entity == entt::tombstone);
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ASSERT_FALSE(entt::tombstone == entity);
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ASSERT_TRUE(entity != entt::tombstone);
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ASSERT_TRUE(entt::tombstone != entity);
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}
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