forked from Green-Sky/tomato
Green Sky
5c7231b7a3
git-subtree-dir: external/entt/entt git-subtree-split: fef921132cae7588213d0f9bcd2fb9c8ffd8b7fc
93 lines
3.5 KiB
C++
93 lines
3.5 KiB
C++
#include <gtest/gtest.h>
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#include <entt/entity/entity.hpp>
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#include <entt/entity/registry.hpp>
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TEST(Entity, Traits) {
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using traits_type = entt::entt_traits<entt::entity>;
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constexpr entt::entity tombstone = entt::tombstone;
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constexpr entt::entity null = entt::null;
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entt::registry registry{};
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registry.destroy(registry.create());
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const auto entity = registry.create();
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const auto other = registry.create();
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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<entt::entity>(entt::null));
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ASSERT_NE(entt::to_integral(entity), entt::to_integral(entt::entity{}));
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ASSERT_EQ(entt::to_entity(entity), 0u);
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ASSERT_EQ(entt::to_version(entity), 1u);
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ASSERT_EQ(entt::to_entity(other), 1u);
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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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}
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TEST(Entity, Null) {
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using traits_type = entt::entt_traits<entt::entity>;
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constexpr entt::entity null = entt::null;
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ASSERT_FALSE(entt::entity{} == 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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entt::registry registry{};
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const auto entity = registry.create();
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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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registry.emplace<int>(entity, 42);
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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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const entt::entity other = entt::null;
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ASSERT_FALSE(registry.valid(other));
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ASSERT_NE(registry.create(other), other);
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}
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TEST(Entity, Tombstone) {
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using traits_type = entt::entt_traits<entt::entity>;
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constexpr entt::entity tombstone = entt::tombstone;
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ASSERT_FALSE(entt::entity{} == 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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entt::registry registry{};
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const auto entity = registry.create();
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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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registry.emplace<int>(entity, 42);
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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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constexpr auto vers = entt::to_version(tombstone);
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const auto other = traits_type::construct(entt::to_entity(entity), vers);
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ASSERT_FALSE(registry.valid(entt::tombstone));
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ASSERT_NE(registry.destroy(entity, vers), vers);
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ASSERT_NE(registry.create(other), other);
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}
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