1365 lines
43 KiB
C++
1365 lines
43 KiB
C++
#include <utility>
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#include <iterator>
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#include <algorithm>
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#include <type_traits>
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#include <gtest/gtest.h>
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#include <entt/entity/registry.hpp>
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#include <entt/entity/group.hpp>
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struct empty_type {};
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struct boxed_int { int value; };
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bool operator==(const boxed_int &lhs, const boxed_int &rhs) {
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return lhs.value == rhs.value;
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}
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TEST(NonOwningGroup, Functionalities) {
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entt::registry registry;
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auto group = registry.group(entt::get<int, char>);
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auto cgroup = std::as_const(registry).group_if_exists(entt::get<const int, const char>);
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ASSERT_TRUE(group.empty());
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const auto e0 = registry.create();
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registry.emplace<char>(e0, '1');
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const auto e1 = registry.create();
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registry.emplace<int>(e1, 42);
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registry.emplace<char>(e1, '2');
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ASSERT_FALSE(group.empty());
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ASSERT_NO_FATAL_FAILURE(group.begin()++);
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ASSERT_NO_FATAL_FAILURE(++cgroup.begin());
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ASSERT_NO_FATAL_FAILURE([](auto it) { return it++; }(group.rbegin()));
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ASSERT_NO_FATAL_FAILURE([](auto it) { return ++it; }(cgroup.rbegin()));
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ASSERT_NE(group.begin(), group.end());
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ASSERT_NE(cgroup.begin(), cgroup.end());
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ASSERT_NE(group.rbegin(), group.rend());
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ASSERT_NE(cgroup.rbegin(), cgroup.rend());
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ASSERT_EQ(group.size(), 1u);
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registry.emplace<int>(e0);
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ASSERT_EQ(group.size(), 2u);
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registry.remove<int>(e0);
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ASSERT_EQ(group.size(), 1u);
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for(auto entity: group) {
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ASSERT_EQ(std::get<0>(cgroup.get<const int, const char>(entity)), 42);
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ASSERT_EQ(std::get<1>(group.get<int, char>(entity)), '2');
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ASSERT_EQ(cgroup.get<const char>(entity), '2');
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}
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ASSERT_EQ(*(group.data() + 0), e1);
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registry.remove<char>(e0);
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registry.remove<char>(e1);
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ASSERT_EQ(group.begin(), group.end());
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ASSERT_EQ(cgroup.begin(), cgroup.end());
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ASSERT_EQ(group.rbegin(), group.rend());
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ASSERT_EQ(cgroup.rbegin(), cgroup.rend());
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ASSERT_TRUE(group.empty());
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ASSERT_NE(group.capacity(), 0u);
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group.shrink_to_fit();
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ASSERT_EQ(group.capacity(), 0u);
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decltype(group) invalid{};
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ASSERT_TRUE(group);
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ASSERT_TRUE(cgroup);
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ASSERT_FALSE(invalid);
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}
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TEST(NonOwningGroup, Invalid) {
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entt::registry registry{};
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auto group = std::as_const(registry).group_if_exists(entt::get<const empty_type, const int>);
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const auto entity = registry.create();
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registry.emplace<empty_type>(entity);
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registry.emplace<int>(entity);
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ASSERT_FALSE(group);
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ASSERT_TRUE(group.empty());
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ASSERT_EQ(group.size(), 0u);
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ASSERT_EQ(group.capacity(), 0u);
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ASSERT_NO_FATAL_FAILURE(group.shrink_to_fit());
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ASSERT_EQ(group.data(), nullptr);
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ASSERT_EQ(group.begin(), group.end());
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ASSERT_EQ(group.rbegin(), group.rend());
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ASSERT_FALSE(group.contains(entity));
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ASSERT_EQ(group.find(entity), group.end());
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ASSERT_EQ(group.front(), entt::entity{entt::null});
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ASSERT_EQ(group.back(), entt::entity{entt::null});
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group.each([](const auto, const auto &) { FAIL(); });
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group.each([](const auto &) { FAIL(); });
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for([[maybe_unused]] auto all: group.each()) { FAIL(); }
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for(auto first = group.each().rbegin(), last = group.each().rend(); first != last; ++first) { FAIL(); }
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ASSERT_NO_FATAL_FAILURE(group.sort([](const auto, const auto) { FAIL(), true; }));
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ASSERT_NO_FATAL_FAILURE(group.sort<const empty_type>());
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}
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TEST(NonOwningGroup, ElementAccess) {
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entt::registry registry;
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auto group = registry.group(entt::get<int, char>);
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auto cgroup = std::as_const(registry).group_if_exists(entt::get<const int, const char>);
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const auto e0 = registry.create();
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registry.emplace<int>(e0);
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registry.emplace<char>(e0);
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const auto e1 = registry.create();
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registry.emplace<int>(e1);
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registry.emplace<char>(e1);
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for(auto i = 0u; i < group.size(); ++i) {
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ASSERT_EQ(group[i], i ? e0 : e1);
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ASSERT_EQ(cgroup[i], i ? e0 : e1);
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}
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}
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TEST(NonOwningGroup, Contains) {
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entt::registry registry;
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auto group = registry.group(entt::get<int, char>);
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const auto e0 = registry.create();
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registry.emplace<int>(e0);
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registry.emplace<char>(e0);
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const auto e1 = registry.create();
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registry.emplace<int>(e1);
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registry.emplace<char>(e1);
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registry.destroy(e0);
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ASSERT_FALSE(group.contains(e0));
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ASSERT_TRUE(group.contains(e1));
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}
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TEST(NonOwningGroup, Empty) {
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entt::registry registry;
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const auto e0 = registry.create();
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registry.emplace<double>(e0);
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registry.emplace<int>(e0);
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registry.emplace<float>(e0);
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const auto e1 = registry.create();
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registry.emplace<char>(e1);
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registry.emplace<float>(e1);
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ASSERT_TRUE(registry.group(entt::get<char, int, float>).empty());
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ASSERT_TRUE(registry.group(entt::get<double, char, int, float>).empty());
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}
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TEST(NonOwningGroup, Each) {
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entt::registry registry;
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auto group = registry.group(entt::get<int, char>);
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const auto e0 = registry.create();
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registry.emplace<int>(e0, 0);
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registry.emplace<char>(e0);
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const auto e1 = registry.create();
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registry.emplace<int>(e1, 1);
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registry.emplace<char>(e1);
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auto cgroup = std::as_const(registry).group_if_exists(entt::get<const int, const char>);
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std::size_t cnt = 0;
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for(auto first = cgroup.each().rbegin(), last = cgroup.each().rend(); first != last; ++first) {
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static_assert(std::is_same_v<decltype(*first), std::tuple<entt::entity, const int &, const char &>>);
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ASSERT_EQ(std::get<1>(*first), cnt++);
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}
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group.each([&cnt](auto, int &, char &) { ++cnt; });
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group.each([&cnt](int &, char &) { ++cnt; });
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ASSERT_EQ(cnt, std::size_t{6});
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cgroup.each([&cnt](const int &, const char &) { --cnt; });
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cgroup.each([&cnt](auto, const int &, const char &) { --cnt; });
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for(auto [entt, iv, cv]: group.each()) {
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static_assert(std::is_same_v<decltype(entt), entt::entity>);
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static_assert(std::is_same_v<decltype(iv), int &>);
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static_assert(std::is_same_v<decltype(cv), char &>);
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ASSERT_EQ(iv, --cnt);
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}
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ASSERT_EQ(cnt, std::size_t{0});
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auto it = group.each().begin();
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auto rit = group.each().rbegin();
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ASSERT_EQ((it++, ++it), group.each().end());
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ASSERT_EQ((rit++, ++rit), group.each().rend());
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}
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TEST(NonOwningGroup, Sort) {
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entt::registry registry;
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auto group = registry.group(entt::get<const int, unsigned int>);
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const auto e0 = registry.create();
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const auto e1 = registry.create();
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const auto e2 = registry.create();
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const auto e3 = registry.create();
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registry.emplace<unsigned int>(e0, 0u);
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registry.emplace<unsigned int>(e1, 1u);
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registry.emplace<unsigned int>(e2, 2u);
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registry.emplace<unsigned int>(e3, 3u);
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registry.emplace<int>(e0, 0);
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registry.emplace<int>(e1, 1);
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registry.emplace<int>(e2, 2);
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ASSERT_EQ(*(group.data() + 0u), e0);
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ASSERT_EQ(*(group.data() + 1u), e1);
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ASSERT_EQ(*(group.data() + 2u), e2);
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group.sort([](const entt::entity lhs, const entt::entity rhs) {
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return entt::to_integral(lhs) < entt::to_integral(rhs);
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});
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ASSERT_EQ(*(group.data() + 0u), e2);
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ASSERT_EQ(*(group.data() + 1u), e1);
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ASSERT_EQ(*(group.data() + 2u), e0);
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ASSERT_EQ((group.get<const int, unsigned int>(e0)), (std::make_tuple(0, 0u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e1)), (std::make_tuple(1, 1u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e2)), (std::make_tuple(2, 2u)));
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ASSERT_FALSE(group.contains(e3));
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group.sort<const int>([](const int lhs, const int rhs) {
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return lhs > rhs;
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});
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ASSERT_EQ(*(group.data() + 0u), e0);
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ASSERT_EQ(*(group.data() + 1u), e1);
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ASSERT_EQ(*(group.data() + 2u), e2);
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ASSERT_EQ((group.get<const int, unsigned int>(e0)), (std::make_tuple(0, 0u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e1)), (std::make_tuple(1, 1u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e2)), (std::make_tuple(2, 2u)));
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ASSERT_FALSE(group.contains(e3));
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group.sort<const int, unsigned int>([](const auto lhs, const auto rhs) {
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static_assert(std::is_same_v<decltype(std::get<0>(lhs)), const int &>);
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static_assert(std::is_same_v<decltype(std::get<1>(rhs)), unsigned int &>);
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return std::get<0>(lhs) < std::get<0>(rhs);
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});
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ASSERT_EQ(*(group.data() + 0u), e2);
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ASSERT_EQ(*(group.data() + 1u), e1);
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ASSERT_EQ(*(group.data() + 2u), e0);
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ASSERT_EQ((group.get<const int, unsigned int>(e0)), (std::make_tuple(0, 0u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e1)), (std::make_tuple(1, 1u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e2)), (std::make_tuple(2, 2u)));
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ASSERT_FALSE(group.contains(e3));
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}
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TEST(NonOwningGroup, SortAsAPool) {
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entt::registry registry;
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auto group = registry.group(entt::get<const int, unsigned int>);
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const auto e0 = registry.create();
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const auto e1 = registry.create();
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const auto e2 = registry.create();
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const auto e3 = registry.create();
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auto uval = 0u;
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auto ival = 0;
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registry.emplace<unsigned int>(e0, uval++);
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registry.emplace<unsigned int>(e1, uval++);
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registry.emplace<unsigned int>(e2, uval++);
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registry.emplace<unsigned int>(e3, uval+1);
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registry.emplace<int>(e0, ival++);
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registry.emplace<int>(e1, ival++);
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registry.emplace<int>(e2, ival++);
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for(auto entity: group) {
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ASSERT_EQ(group.get<unsigned int>(entity), --uval);
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ASSERT_EQ(group.get<const int>(entity), --ival);
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}
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registry.sort<unsigned int>(std::less<unsigned int>{});
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group.sort<unsigned int>();
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ASSERT_EQ((group.get<const int, unsigned int>(e0)), (std::make_tuple(0, 0u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e1)), (std::make_tuple(1, 1u)));
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ASSERT_EQ((group.get<const int, unsigned int>(e2)), (std::make_tuple(2, 2u)));
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ASSERT_FALSE(group.contains(e3));
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for(auto entity: group) {
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ASSERT_EQ(group.get<unsigned int>(entity), uval++);
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ASSERT_EQ(group.get<const int>(entity), ival++);
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}
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}
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TEST(NonOwningGroup, IndexRebuiltOnDestroy) {
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entt::registry registry;
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auto group = registry.group(entt::get<int, unsigned int>);
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const auto e0 = registry.create();
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const auto e1 = registry.create();
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registry.emplace<unsigned int>(e0, 0u);
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registry.emplace<unsigned int>(e1, 1u);
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registry.emplace<int>(e0, 0);
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registry.emplace<int>(e1, 1);
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registry.destroy(e0);
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registry.emplace<int>(registry.create(), 42);
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ASSERT_EQ(group.size(), 1u);
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ASSERT_EQ(group[{}], e1);
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ASSERT_EQ(group.get<int>(e1), 1);
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ASSERT_EQ(group.get<unsigned int>(e1), 1u);
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group.each([e1](auto entity, auto ivalue, auto uivalue) {
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ASSERT_EQ(entity, e1);
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ASSERT_EQ(ivalue, 1);
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ASSERT_EQ(uivalue, 1u);
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});
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for(auto &&curr: group.each()) {
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ASSERT_EQ(std::get<0>(curr), e1);
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ASSERT_EQ(std::get<1>(curr), 1);
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ASSERT_EQ(std::get<2>(curr), 1u);
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}
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}
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TEST(NonOwningGroup, ConstNonConstAndAllInBetween) {
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entt::registry registry;
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auto group = registry.group(entt::get<int, empty_type, const char>);
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ASSERT_EQ(group.size(), 0u);
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const auto entity = registry.create();
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registry.emplace<int>(entity, 0);
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registry.emplace<empty_type>(entity);
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registry.emplace<char>(entity, 'c');
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ASSERT_EQ(group.size(), 1u);
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static_assert(std::is_same_v<decltype(group.get<int>({})), int &>);
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static_assert(std::is_same_v<decltype(group.get<const char>({})), const char &>);
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static_assert(std::is_same_v<decltype(group.get<int, const char>({})), std::tuple<int &, const char &>>);
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static_assert(std::is_same_v<decltype(group.get({})), std::tuple<int &, const char &>>);
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static_assert(std::is_same_v<decltype(group.data()), const entt::entity *>);
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group.each([](auto &&i, auto &&c) {
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static_assert(std::is_same_v<decltype(i), int &>);
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static_assert(std::is_same_v<decltype(c), const char &>);
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});
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for(auto [entt, iv, cv]: group.each()) {
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static_assert(std::is_same_v<decltype(entt), entt::entity>);
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static_assert(std::is_same_v<decltype(iv), int &>);
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static_assert(std::is_same_v<decltype(cv), const char &>);
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}
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}
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TEST(NonOwningGroup, Find) {
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entt::registry registry;
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auto group = registry.group(entt::get<int, const char>);
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const auto e0 = registry.create();
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registry.emplace<int>(e0);
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registry.emplace<char>(e0);
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const auto e1 = registry.create();
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registry.emplace<int>(e1);
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registry.emplace<char>(e1);
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const auto e2 = registry.create();
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registry.emplace<int>(e2);
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registry.emplace<char>(e2);
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const auto e3 = registry.create();
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registry.emplace<int>(e3);
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registry.emplace<char>(e3);
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registry.remove<int>(e1);
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ASSERT_NE(group.find(e0), group.end());
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ASSERT_EQ(group.find(e1), group.end());
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ASSERT_NE(group.find(e2), group.end());
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ASSERT_NE(group.find(e3), group.end());
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auto it = group.find(e2);
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ASSERT_EQ(*it, e2);
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ASSERT_EQ(*(++it), e3);
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ASSERT_EQ(*(++it), e0);
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ASSERT_EQ(++it, group.end());
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ASSERT_EQ(++group.find(e0), group.end());
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const auto e4 = registry.create();
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registry.destroy(e4);
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const auto e5 = registry.create();
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registry.emplace<int>(e5);
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registry.emplace<char>(e5);
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ASSERT_NE(group.find(e5), group.end());
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ASSERT_EQ(group.find(e4), group.end());
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}
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TEST(NonOwningGroup, ExcludedComponents) {
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entt::registry registry;
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const auto e0 = registry.create();
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registry.emplace<int>(e0, 0);
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const auto e1 = registry.create();
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registry.emplace<int>(e1, 1);
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registry.emplace<char>(e1);
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const auto group = registry.group(entt::get<int>, entt::exclude<char>);
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const auto e2 = registry.create();
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registry.emplace<int>(e2, 2);
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const auto e3 = registry.create();
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registry.emplace<int>(e3, 3);
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registry.emplace<char>(e3);
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for(const auto entity: group) {
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ASSERT_TRUE(entity == e0 || entity == e2);
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if(entity == e0) {
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ASSERT_EQ(group.get<int>(e0), 0);
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} else if(entity == e2) {
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ASSERT_EQ(group.get<int>(e2), 2);
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}
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}
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registry.emplace<char>(e0);
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registry.emplace<char>(e2);
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ASSERT_TRUE(group.empty());
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registry.remove<char>(e1);
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registry.remove<char>(e3);
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for(const auto entity: group) {
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ASSERT_TRUE(entity == e1 || entity == e3);
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if(entity == e1) {
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ASSERT_EQ(group.get<int>(e1), 1);
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} else if(entity == e3) {
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ASSERT_EQ(group.get<int>(e3), 3);
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}
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}
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}
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TEST(NonOwningGroup, EmptyAndNonEmptyTypes) {
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entt::registry registry;
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const auto group = registry.group(entt::get<int, empty_type>);
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<empty_type>(e0);
|
|
registry.emplace<int>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<empty_type>(e1);
|
|
registry.emplace<int>(e1);
|
|
|
|
registry.emplace<int>(registry.create());
|
|
|
|
for(const auto entity: group) {
|
|
ASSERT_TRUE(entity == e0 || entity == e1);
|
|
}
|
|
|
|
group.each([e0, e1](const auto entity, const int &) {
|
|
ASSERT_TRUE(entity == e0 || entity == e1);
|
|
});
|
|
|
|
for(auto [entt, iv]: group.each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
ASSERT_TRUE(entt == e0 || entt == e1);
|
|
}
|
|
|
|
ASSERT_EQ(group.size(), 2u);
|
|
}
|
|
|
|
TEST(NonOwningGroup, TrackEntitiesOnComponentDestruction) {
|
|
entt::registry registry;
|
|
const auto group = registry.group(entt::get<int>, entt::exclude<char>);
|
|
const auto cgroup = std::as_const(registry).group_if_exists(entt::get<const int>, entt::exclude<char>);
|
|
|
|
const auto entity = registry.create();
|
|
registry.emplace<int>(entity);
|
|
registry.emplace<char>(entity);
|
|
|
|
ASSERT_TRUE(group.empty());
|
|
ASSERT_TRUE(cgroup.empty());
|
|
|
|
registry.remove<char>(entity);
|
|
|
|
ASSERT_FALSE(group.empty());
|
|
ASSERT_FALSE(cgroup.empty());
|
|
}
|
|
|
|
TEST(NonOwningGroup, EmptyTypes) {
|
|
entt::registry registry;
|
|
const auto entity = registry.create();
|
|
|
|
registry.emplace<int>(entity);
|
|
registry.emplace<char>(entity);
|
|
registry.emplace<empty_type>(entity);
|
|
|
|
registry.group(entt::get<int, char, empty_type>).each([entity](const auto entt, int, char) {
|
|
ASSERT_EQ(entity, entt);
|
|
});
|
|
|
|
for(auto [entt, iv, cv]: registry.group(entt::get<int, char, empty_type>).each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
static_assert(std::is_same_v<decltype(cv), char &>);
|
|
ASSERT_EQ(entity, entt);
|
|
}
|
|
|
|
registry.group(entt::get<int, empty_type, char>).each([check = true](int, char) mutable {
|
|
ASSERT_TRUE(check);
|
|
check = false;
|
|
});
|
|
|
|
for(auto [entt, iv, cv]: registry.group(entt::get<int, empty_type, char>).each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
static_assert(std::is_same_v<decltype(cv), char &>);
|
|
ASSERT_EQ(entity, entt);
|
|
}
|
|
|
|
registry.group(entt::get<empty_type, int, char>).each([entity](const auto entt, int, char) {
|
|
ASSERT_EQ(entity, entt);
|
|
});
|
|
|
|
for(auto [entt, iv, cv]: registry.group(entt::get<empty_type, int, char>).each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
static_assert(std::is_same_v<decltype(cv), char &>);
|
|
ASSERT_EQ(entity, entt);
|
|
}
|
|
|
|
registry.group(entt::get<int, char, double>).each([](const auto, int, char, double) { FAIL(); });
|
|
ASSERT_EQ(registry.group(entt::get<int, char, double>).each().begin(), registry.group(entt::get<int, char, double>).each().end());
|
|
}
|
|
|
|
TEST(NonOwningGroup, FrontBack) {
|
|
entt::registry registry;
|
|
auto group = registry.group<>(entt::get<const int, const char>);
|
|
|
|
ASSERT_EQ(group.front(), static_cast<entt::entity>(entt::null));
|
|
ASSERT_EQ(group.back(), static_cast<entt::entity>(entt::null));
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<int>(e0);
|
|
registry.emplace<char>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1);
|
|
registry.emplace<char>(e1);
|
|
|
|
const auto entity = registry.create();
|
|
registry.emplace<char>(entity);
|
|
|
|
ASSERT_EQ(group.front(), e1);
|
|
ASSERT_EQ(group.back(), e0);
|
|
}
|
|
|
|
TEST(NonOwningGroup, SignalRace) {
|
|
entt::registry registry;
|
|
registry.on_construct<double>().connect<&entt::registry::emplace_or_replace<int>>();
|
|
const auto group = registry.group(entt::get<int, double>);
|
|
|
|
auto entity = registry.create();
|
|
registry.emplace<double>(entity);
|
|
|
|
ASSERT_EQ(group.size(), 1u);
|
|
}
|
|
|
|
TEST(NonOwningGroup, ExtendedGet) {
|
|
using type = decltype(std::declval<entt::registry>().group(entt::get<int, empty_type, char>).get({}));
|
|
|
|
static_assert(std::tuple_size_v<type> == 2u);
|
|
static_assert(std::is_same_v<std::tuple_element_t<0, type>, int &>);
|
|
static_assert(std::is_same_v<std::tuple_element_t<1, type>, char &>);
|
|
|
|
entt::registry registry;
|
|
const auto entity = registry.create();
|
|
|
|
registry.emplace<int>(entity, 42);
|
|
registry.emplace<char>(entity, 'c');
|
|
|
|
const auto tup = registry.group(entt::get<int, char>).get(entity);
|
|
|
|
ASSERT_EQ(std::get<0>(tup), 42);
|
|
ASSERT_EQ(std::get<1>(tup), 'c');
|
|
}
|
|
|
|
TEST(OwningGroup, Functionalities) {
|
|
entt::registry registry;
|
|
auto group = registry.group<int>(entt::get<char>);
|
|
auto cgroup = std::as_const(registry).group_if_exists<const int>(entt::get<const char>);
|
|
|
|
ASSERT_TRUE(group.empty());
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<char>(e0, '1');
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1, 42);
|
|
registry.emplace<char>(e1, '2');
|
|
|
|
ASSERT_FALSE(group.empty());
|
|
ASSERT_NO_FATAL_FAILURE(group.begin()++);
|
|
ASSERT_NO_FATAL_FAILURE(++cgroup.begin());
|
|
ASSERT_NO_FATAL_FAILURE([](auto it) { return it++; }(group.rbegin()));
|
|
ASSERT_NO_FATAL_FAILURE([](auto it) { return ++it; }(cgroup.rbegin()));
|
|
|
|
ASSERT_NE(group.begin(), group.end());
|
|
ASSERT_NE(cgroup.begin(), cgroup.end());
|
|
ASSERT_NE(group.rbegin(), group.rend());
|
|
ASSERT_NE(cgroup.rbegin(), cgroup.rend());
|
|
ASSERT_EQ(group.size(), 1u);
|
|
|
|
registry.emplace<int>(e0);
|
|
|
|
ASSERT_EQ(group.size(), 2u);
|
|
|
|
registry.remove<int>(e0);
|
|
|
|
ASSERT_EQ(group.size(), 1u);
|
|
|
|
ASSERT_EQ(*(cgroup.raw<const int>() + 0), 42);
|
|
ASSERT_EQ(*(group.raw<int>() + 0), 42);
|
|
|
|
for(auto entity: group) {
|
|
ASSERT_EQ(std::get<0>(cgroup.get<const int, const char>(entity)), 42);
|
|
ASSERT_EQ(std::get<1>(group.get<int, char>(entity)), '2');
|
|
ASSERT_EQ(cgroup.get<const char>(entity), '2');
|
|
}
|
|
|
|
ASSERT_EQ(*(group.data() + 0), e1);
|
|
ASSERT_EQ(*(group.raw<int>() + 0), 42);
|
|
|
|
registry.remove<char>(e0);
|
|
registry.remove<char>(e1);
|
|
|
|
ASSERT_EQ(group.begin(), group.end());
|
|
ASSERT_EQ(cgroup.begin(), cgroup.end());
|
|
ASSERT_EQ(group.rbegin(), group.rend());
|
|
ASSERT_EQ(cgroup.rbegin(), cgroup.rend());
|
|
ASSERT_TRUE(group.empty());
|
|
|
|
decltype(group) invalid{};
|
|
|
|
ASSERT_TRUE(group);
|
|
ASSERT_TRUE(cgroup);
|
|
ASSERT_FALSE(invalid);
|
|
}
|
|
|
|
TEST(OwningGroup, Invalid) {
|
|
entt::registry registry{};
|
|
auto group = std::as_const(registry).group_if_exists<const int>(entt::get<const empty_type>);
|
|
|
|
const auto entity = registry.create();
|
|
registry.emplace<empty_type>(entity);
|
|
registry.emplace<int>(entity);
|
|
|
|
ASSERT_FALSE(group);
|
|
|
|
ASSERT_TRUE(group.empty());
|
|
ASSERT_EQ(group.size(), 0u);
|
|
|
|
ASSERT_EQ(group.raw<const int>(), nullptr);
|
|
ASSERT_EQ(group.data(), nullptr);
|
|
|
|
ASSERT_EQ(group.begin(), group.end());
|
|
ASSERT_EQ(group.rbegin(), group.rend());
|
|
|
|
ASSERT_FALSE(group.contains(entity));
|
|
ASSERT_EQ(group.find(entity), group.end());
|
|
ASSERT_EQ(group.front(), entt::entity{entt::null});
|
|
ASSERT_EQ(group.back(), entt::entity{entt::null});
|
|
|
|
group.each([](const auto, const auto &) { FAIL(); });
|
|
group.each([](const auto &) { FAIL(); });
|
|
|
|
for([[maybe_unused]] auto all: group.each()) { FAIL(); }
|
|
for(auto first = group.each().rbegin(), last = group.each().rend(); first != last; ++first) { FAIL(); }
|
|
}
|
|
|
|
TEST(OwningGroup, ElementAccess) {
|
|
entt::registry registry;
|
|
auto group = registry.group<int>(entt::get<char>);
|
|
auto cgroup = std::as_const(registry).group_if_exists<const int>(entt::get<const char>);
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<int>(e0);
|
|
registry.emplace<char>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1);
|
|
registry.emplace<char>(e1);
|
|
|
|
for(auto i = 0u; i < group.size(); ++i) {
|
|
ASSERT_EQ(group[i], i ? e0 : e1);
|
|
ASSERT_EQ(cgroup[i], i ? e0 : e1);
|
|
}
|
|
}
|
|
|
|
TEST(OwningGroup, Contains) {
|
|
entt::registry registry;
|
|
auto group = registry.group<int>(entt::get<char>);
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<int>(e0);
|
|
registry.emplace<char>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1);
|
|
registry.emplace<char>(e1);
|
|
|
|
registry.destroy(e0);
|
|
|
|
ASSERT_FALSE(group.contains(e0));
|
|
ASSERT_TRUE(group.contains(e1));
|
|
}
|
|
|
|
TEST(OwningGroup, Empty) {
|
|
entt::registry registry;
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<double>(e0);
|
|
registry.emplace<int>(e0);
|
|
registry.emplace<float>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<char>(e1);
|
|
registry.emplace<float>(e1);
|
|
|
|
ASSERT_TRUE((registry.group<char, int>(entt::get<float>).empty()));
|
|
ASSERT_TRUE((registry.group<double, float>(entt::get<char, int>).empty()));
|
|
}
|
|
|
|
TEST(OwningGroup, Each) {
|
|
entt::registry registry;
|
|
auto group = registry.group<int>(entt::get<char>);
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<int>(e0, 0);
|
|
registry.emplace<char>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1, 1);
|
|
registry.emplace<char>(e1);
|
|
|
|
auto cgroup = std::as_const(registry).group_if_exists<const int>(entt::get<const char>);
|
|
std::size_t cnt = 0;
|
|
|
|
for(auto first = cgroup.each().rbegin(), last = cgroup.each().rend(); first != last; ++first) {
|
|
static_assert(std::is_same_v<decltype(*first), std::tuple<entt::entity, const int &, const char &>>);
|
|
ASSERT_EQ(std::get<1>(*first), cnt++);
|
|
}
|
|
|
|
group.each([&cnt](auto, int &, char &) { ++cnt; });
|
|
group.each([&cnt](int &, char &) { ++cnt; });
|
|
|
|
ASSERT_EQ(cnt, std::size_t{6});
|
|
|
|
cgroup.each([&cnt](const int &, const char &) { --cnt; });
|
|
cgroup.each([&cnt](auto, const int &, const char &) { --cnt; });
|
|
|
|
for(auto [entt, iv, cv]: group.each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
static_assert(std::is_same_v<decltype(cv), char &>);
|
|
ASSERT_EQ(iv, --cnt);
|
|
}
|
|
|
|
ASSERT_EQ(cnt, std::size_t{0});
|
|
|
|
auto it = group.each().begin();
|
|
auto rit = group.each().rbegin();
|
|
|
|
ASSERT_EQ((it++, ++it), group.each().end());
|
|
ASSERT_EQ((rit++, ++rit), group.each().rend());
|
|
}
|
|
|
|
TEST(OwningGroup, SortOrdered) {
|
|
entt::registry registry;
|
|
auto group = registry.group<boxed_int, char>();
|
|
|
|
entt::entity entities[5]{};
|
|
registry.create(std::begin(entities), std::end(entities));
|
|
|
|
registry.emplace<boxed_int>(entities[0], 12);
|
|
registry.emplace<char>(entities[0], 'a');
|
|
|
|
registry.emplace<boxed_int>(entities[1], 9);
|
|
registry.emplace<char>(entities[1], 'b');
|
|
|
|
registry.emplace<boxed_int>(entities[2], 6);
|
|
registry.emplace<char>(entities[2], 'c');
|
|
|
|
registry.emplace<boxed_int>(entities[3], 1);
|
|
registry.emplace<boxed_int>(entities[4], 2);
|
|
|
|
group.sort([&group](const entt::entity lhs, const entt::entity rhs) {
|
|
return group.get<boxed_int>(lhs).value < group.get<boxed_int>(rhs).value;
|
|
});
|
|
|
|
ASSERT_EQ(*(group.data() + 0u), entities[0]);
|
|
ASSERT_EQ(*(group.data() + 1u), entities[1]);
|
|
ASSERT_EQ(*(group.data() + 2u), entities[2]);
|
|
ASSERT_EQ(*(group.data() + 3u), entities[3]);
|
|
ASSERT_EQ(*(group.data() + 4u), entities[4]);
|
|
|
|
ASSERT_EQ((group.raw<boxed_int>() + 0u)->value, 12);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 1u)->value, 9);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 2u)->value, 6);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 3u)->value, 1);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 4u)->value, 2);
|
|
|
|
ASSERT_EQ(*(group.raw<char>() + 0u), 'a');
|
|
ASSERT_EQ(*(group.raw<char>() + 1u), 'b');
|
|
ASSERT_EQ(*(group.raw<char>() + 2u), 'c');
|
|
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[0])), (std::make_tuple(boxed_int{12}, 'a')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[1])), (std::make_tuple(boxed_int{9}, 'b')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[2])), (std::make_tuple(boxed_int{6}, 'c')));
|
|
|
|
ASSERT_FALSE(group.contains(entities[3]));
|
|
ASSERT_FALSE(group.contains(entities[4]));
|
|
}
|
|
|
|
TEST(OwningGroup, SortReverse) {
|
|
entt::registry registry;
|
|
auto group = registry.group<boxed_int, char>();
|
|
|
|
entt::entity entities[5]{};
|
|
registry.create(std::begin(entities), std::end(entities));
|
|
|
|
registry.emplace<boxed_int>(entities[0], 6);
|
|
registry.emplace<char>(entities[0], 'a');
|
|
|
|
registry.emplace<boxed_int>(entities[1], 9);
|
|
registry.emplace<char>(entities[1], 'b');
|
|
|
|
registry.emplace<boxed_int>(entities[2], 12);
|
|
registry.emplace<char>(entities[2], 'c');
|
|
|
|
registry.emplace<boxed_int>(entities[3], 1);
|
|
registry.emplace<boxed_int>(entities[4], 2);
|
|
|
|
group.sort<boxed_int>([](const auto &lhs, const auto &rhs) {
|
|
return lhs.value < rhs.value;
|
|
});
|
|
|
|
ASSERT_EQ(*(group.data() + 0u), entities[2]);
|
|
ASSERT_EQ(*(group.data() + 1u), entities[1]);
|
|
ASSERT_EQ(*(group.data() + 2u), entities[0]);
|
|
ASSERT_EQ(*(group.data() + 3u), entities[3]);
|
|
ASSERT_EQ(*(group.data() + 4u), entities[4]);
|
|
|
|
ASSERT_EQ((group.raw<boxed_int>() + 0u)->value, 12);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 1u)->value, 9);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 2u)->value, 6);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 3u)->value, 1);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 4u)->value, 2);
|
|
|
|
ASSERT_EQ(*(group.raw<char>() + 0u), 'c');
|
|
ASSERT_EQ(*(group.raw<char>() + 1u), 'b');
|
|
ASSERT_EQ(*(group.raw<char>() + 2u), 'a');
|
|
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[0])), (std::make_tuple(boxed_int{6}, 'a')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[1])), (std::make_tuple(boxed_int{9}, 'b')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[2])), (std::make_tuple(boxed_int{12}, 'c')));
|
|
|
|
ASSERT_FALSE(group.contains(entities[3]));
|
|
ASSERT_FALSE(group.contains(entities[4]));
|
|
}
|
|
|
|
TEST(OwningGroup, SortUnordered) {
|
|
entt::registry registry;
|
|
auto group = registry.group<boxed_int>(entt::get<char>);
|
|
|
|
entt::entity entities[7]{};
|
|
registry.create(std::begin(entities), std::end(entities));
|
|
|
|
registry.emplace<boxed_int>(entities[0], 6);
|
|
registry.emplace<char>(entities[0], 'c');
|
|
|
|
registry.emplace<boxed_int>(entities[1], 3);
|
|
registry.emplace<char>(entities[1], 'b');
|
|
|
|
registry.emplace<boxed_int>(entities[2], 1);
|
|
registry.emplace<char>(entities[2], 'a');
|
|
|
|
registry.emplace<boxed_int>(entities[3], 9);
|
|
registry.emplace<char>(entities[3], 'd');
|
|
|
|
registry.emplace<boxed_int>(entities[4], 12);
|
|
registry.emplace<char>(entities[4], 'e');
|
|
|
|
registry.emplace<boxed_int>(entities[5], 4);
|
|
registry.emplace<boxed_int>(entities[6], 5);
|
|
|
|
group.sort<boxed_int, char>([](const auto lhs, const auto rhs) {
|
|
static_assert(std::is_same_v<decltype(std::get<0>(lhs)), boxed_int &>);
|
|
static_assert(std::is_same_v<decltype(std::get<1>(rhs)), char &>);
|
|
return std::get<1>(lhs) < std::get<1>(rhs);
|
|
});
|
|
|
|
ASSERT_EQ(*(group.data() + 0u), entities[4]);
|
|
ASSERT_EQ(*(group.data() + 1u), entities[3]);
|
|
ASSERT_EQ(*(group.data() + 2u), entities[0]);
|
|
ASSERT_EQ(*(group.data() + 3u), entities[1]);
|
|
ASSERT_EQ(*(group.data() + 4u), entities[2]);
|
|
ASSERT_EQ(*(group.data() + 5u), entities[5]);
|
|
ASSERT_EQ(*(group.data() + 6u), entities[6]);
|
|
|
|
ASSERT_EQ((group.raw<boxed_int>() + 0u)->value, 12);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 1u)->value, 9);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 2u)->value, 6);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 3u)->value, 3);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 4u)->value, 1);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 5u)->value, 4);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 6u)->value, 5);
|
|
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[0])), (std::make_tuple(boxed_int{6}, 'c')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[1])), (std::make_tuple(boxed_int{3}, 'b')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[2])), (std::make_tuple(boxed_int{1}, 'a')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[3])), (std::make_tuple(boxed_int{9}, 'd')));
|
|
ASSERT_EQ((group.get<boxed_int, char>(entities[4])), (std::make_tuple(boxed_int{12}, 'e')));
|
|
|
|
ASSERT_FALSE(group.contains(entities[5]));
|
|
ASSERT_FALSE(group.contains(entities[6]));
|
|
}
|
|
|
|
TEST(OwningGroup, SortWithExclusionList) {
|
|
entt::registry registry;
|
|
auto group = registry.group<boxed_int>(entt::exclude<char>);
|
|
|
|
entt::entity entities[5]{};
|
|
registry.create(std::begin(entities), std::end(entities));
|
|
|
|
registry.emplace<boxed_int>(entities[0], 0);
|
|
registry.emplace<boxed_int>(entities[1], 1);
|
|
registry.emplace<boxed_int>(entities[2], 2);
|
|
registry.emplace<boxed_int>(entities[3], 3);
|
|
registry.emplace<boxed_int>(entities[4], 4);
|
|
|
|
registry.emplace<char>(entities[2]);
|
|
|
|
group.sort([](const entt::entity lhs, const entt::entity rhs) {
|
|
return lhs < rhs;
|
|
});
|
|
|
|
ASSERT_EQ(*(group.data() + 0u), entities[4]);
|
|
ASSERT_EQ(*(group.data() + 1u), entities[3]);
|
|
ASSERT_EQ(*(group.data() + 2u), entities[1]);
|
|
ASSERT_EQ(*(group.data() + 3u), entities[0]);
|
|
|
|
ASSERT_EQ((group.raw<boxed_int>() + 0u)->value, 4);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 1u)->value, 3);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 2u)->value, 1);
|
|
ASSERT_EQ((group.raw<boxed_int>() + 3u)->value, 0);
|
|
|
|
ASSERT_EQ(group.get<boxed_int>(entities[0]).value, 0);
|
|
ASSERT_EQ(group.get<boxed_int>(entities[1]).value, 1);
|
|
ASSERT_EQ(group.get<boxed_int>(entities[3]).value, 3);
|
|
ASSERT_EQ(group.get<boxed_int>(entities[4]).value, 4);
|
|
|
|
ASSERT_FALSE(group.contains(entities[2]));
|
|
}
|
|
|
|
TEST(OwningGroup, IndexRebuiltOnDestroy) {
|
|
entt::registry registry;
|
|
auto group = registry.group<int>(entt::get<unsigned int>);
|
|
|
|
const auto e0 = registry.create();
|
|
const auto e1 = registry.create();
|
|
|
|
registry.emplace<unsigned int>(e0, 0u);
|
|
registry.emplace<unsigned int>(e1, 1u);
|
|
|
|
registry.emplace<int>(e0, 0);
|
|
registry.emplace<int>(e1, 1);
|
|
|
|
registry.destroy(e0);
|
|
registry.emplace<int>(registry.create(), 42);
|
|
|
|
ASSERT_EQ(group.size(), 1u);
|
|
ASSERT_EQ(group[{}], e1);
|
|
ASSERT_EQ(group.get<int>(e1), 1);
|
|
ASSERT_EQ(group.get<unsigned int>(e1), 1u);
|
|
|
|
group.each([e1](auto entity, auto ivalue, auto uivalue) {
|
|
ASSERT_EQ(entity, e1);
|
|
ASSERT_EQ(ivalue, 1);
|
|
ASSERT_EQ(uivalue, 1u);
|
|
});
|
|
|
|
for(auto &&curr: group.each()) {
|
|
ASSERT_EQ(std::get<0>(curr), e1);
|
|
ASSERT_EQ(std::get<1>(curr), 1);
|
|
ASSERT_EQ(std::get<2>(curr), 1u);
|
|
}
|
|
}
|
|
|
|
TEST(OwningGroup, ConstNonConstAndAllInBetween) {
|
|
entt::registry registry;
|
|
auto group = registry.group<int, const char>(entt::get<empty_type, double, const float>);
|
|
|
|
ASSERT_EQ(group.size(), 0u);
|
|
|
|
const auto entity = registry.create();
|
|
registry.emplace<int>(entity, 0);
|
|
registry.emplace<char>(entity, 'c');
|
|
registry.emplace<empty_type>(entity);
|
|
registry.emplace<double>(entity, 0.);
|
|
registry.emplace<float>(entity, 0.f);
|
|
|
|
ASSERT_EQ(group.size(), 1u);
|
|
|
|
static_assert(std::is_same_v<decltype(group.get<int>({})), int &>);
|
|
static_assert(std::is_same_v<decltype(group.get<const char>({})), const char &>);
|
|
static_assert(std::is_same_v<decltype(group.get<double>({})), double &>);
|
|
static_assert(std::is_same_v<decltype(group.get<const float>({})), const float &>);
|
|
static_assert(std::is_same_v<decltype(group.get<int, const char, double, const float>({})), std::tuple<int &, const char &, double &, const float &>>);
|
|
static_assert(std::is_same_v<decltype(group.get({})), std::tuple<int &, const char &, double &, const float &>>);
|
|
static_assert(std::is_same_v<decltype(group.data()), const entt::entity *>);
|
|
static_assert(std::is_same_v<decltype(group.raw<const char>()), const char *>);
|
|
static_assert(std::is_same_v<decltype(group.raw<int>()), int *>);
|
|
|
|
group.each([](auto &&i, auto &&c, auto &&d, auto &&f) {
|
|
static_assert(std::is_same_v<decltype(i), int &>);
|
|
static_assert(std::is_same_v<decltype(c), const char &>);
|
|
static_assert(std::is_same_v<decltype(d), double &>);
|
|
static_assert(std::is_same_v<decltype(f), const float &>);
|
|
});
|
|
|
|
for(auto [entt, iv, cv, dv, fv]: group.each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
static_assert(std::is_same_v<decltype(cv), const char &>);
|
|
static_assert(std::is_same_v<decltype(dv), double &>);
|
|
static_assert(std::is_same_v<decltype(fv), const float &>);
|
|
}
|
|
}
|
|
|
|
TEST(OwningGroup, Find) {
|
|
entt::registry registry;
|
|
auto group = registry.group<int>(entt::get<const char>);
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<int>(e0);
|
|
registry.emplace<char>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1);
|
|
registry.emplace<char>(e1);
|
|
|
|
const auto e2 = registry.create();
|
|
registry.emplace<int>(e2);
|
|
registry.emplace<char>(e2);
|
|
|
|
const auto e3 = registry.create();
|
|
registry.emplace<int>(e3);
|
|
registry.emplace<char>(e3);
|
|
|
|
registry.remove<int>(e1);
|
|
|
|
ASSERT_NE(group.find(e0), group.end());
|
|
ASSERT_EQ(group.find(e1), group.end());
|
|
ASSERT_NE(group.find(e2), group.end());
|
|
ASSERT_NE(group.find(e3), group.end());
|
|
|
|
auto it = group.find(e2);
|
|
|
|
ASSERT_EQ(*it, e2);
|
|
ASSERT_EQ(*(++it), e3);
|
|
ASSERT_EQ(*(++it), e0);
|
|
ASSERT_EQ(++it, group.end());
|
|
ASSERT_EQ(++group.find(e0), group.end());
|
|
|
|
const auto e4 = registry.create();
|
|
registry.destroy(e4);
|
|
const auto e5 = registry.create();
|
|
registry.emplace<int>(e5);
|
|
registry.emplace<char>(e5);
|
|
|
|
ASSERT_NE(group.find(e5), group.end());
|
|
ASSERT_EQ(group.find(e4), group.end());
|
|
}
|
|
|
|
TEST(OwningGroup, ExcludedComponents) {
|
|
entt::registry registry;
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<int>(e0, 0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1, 1);
|
|
registry.emplace<char>(e1);
|
|
|
|
const auto group = registry.group<int>(entt::exclude<char, double>);
|
|
|
|
const auto e2 = registry.create();
|
|
registry.emplace<int>(e2, 2);
|
|
|
|
const auto e3 = registry.create();
|
|
registry.emplace<int>(e3, 3);
|
|
registry.emplace<double>(e3);
|
|
|
|
for(const auto entity: group) {
|
|
ASSERT_TRUE(entity == e0 || entity == e2);
|
|
|
|
if(entity == e0) {
|
|
ASSERT_EQ(group.get<int>(e0), 0);
|
|
} else if(entity == e2) {
|
|
ASSERT_EQ(group.get<int>(e2), 2);
|
|
}
|
|
}
|
|
|
|
registry.emplace<char>(e0);
|
|
registry.emplace<double>(e2);
|
|
|
|
ASSERT_TRUE(group.empty());
|
|
|
|
registry.remove<char>(e1);
|
|
registry.remove<double>(e3);
|
|
|
|
for(const auto entity: group) {
|
|
ASSERT_TRUE(entity == e1 || entity == e3);
|
|
|
|
if(entity == e1) {
|
|
ASSERT_EQ(group.get<int>(e1), 1);
|
|
} else if(entity == e3) {
|
|
ASSERT_EQ(group.get<int>(e3), 3);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(OwningGroup, EmptyAndNonEmptyTypes) {
|
|
entt::registry registry;
|
|
const auto group = registry.group<int>(entt::get<empty_type>);
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<empty_type>(e0);
|
|
registry.emplace<int>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<empty_type>(e1);
|
|
registry.emplace<int>(e1);
|
|
|
|
registry.emplace<int>(registry.create());
|
|
|
|
for(const auto entity: group) {
|
|
ASSERT_TRUE(entity == e0 || entity == e1);
|
|
}
|
|
|
|
group.each([e0, e1](const auto entity, const int &) {
|
|
ASSERT_TRUE(entity == e0 || entity == e1);
|
|
});
|
|
|
|
for(auto [entt, iv]: group.each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
ASSERT_TRUE(entt == e0 || entt == e1);
|
|
}
|
|
|
|
ASSERT_EQ(group.size(), 2u);
|
|
}
|
|
|
|
TEST(OwningGroup, TrackEntitiesOnComponentDestruction) {
|
|
entt::registry registry;
|
|
const auto group = registry.group<int>(entt::exclude<char>);
|
|
const auto cgroup = std::as_const(registry).group_if_exists<const int>(entt::exclude<char>);
|
|
|
|
const auto entity = registry.create();
|
|
registry.emplace<int>(entity);
|
|
registry.emplace<char>(entity);
|
|
|
|
ASSERT_TRUE(group.empty());
|
|
ASSERT_TRUE(cgroup.empty());
|
|
|
|
registry.remove<char>(entity);
|
|
|
|
ASSERT_FALSE(group.empty());
|
|
ASSERT_FALSE(cgroup.empty());
|
|
}
|
|
|
|
TEST(OwningGroup, EmptyTypes) {
|
|
entt::registry registry;
|
|
const auto entity = registry.create();
|
|
|
|
registry.emplace<int>(entity);
|
|
registry.emplace<char>(entity);
|
|
registry.emplace<empty_type>(entity);
|
|
|
|
registry.group<int>(entt::get<char, empty_type>).each([entity](const auto entt, int, char) {
|
|
ASSERT_EQ(entity, entt);
|
|
});
|
|
|
|
for(auto [entt, iv, cv]: registry.group<int>(entt::get<char, empty_type>).each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
static_assert(std::is_same_v<decltype(cv), char &>);
|
|
ASSERT_EQ(entity, entt);
|
|
}
|
|
|
|
registry.group<char>(entt::get<empty_type, int>).each([check = true](char, int) mutable {
|
|
ASSERT_TRUE(check);
|
|
check = false;
|
|
});
|
|
|
|
for(auto [entt, cv, iv]: registry.group<char>(entt::get<empty_type, int>).each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(cv), char &>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
ASSERT_EQ(entity, entt);
|
|
}
|
|
|
|
registry.group<empty_type>(entt::get<int, char>).each([entity](const auto entt, int, char) {
|
|
ASSERT_EQ(entity, entt);
|
|
});
|
|
|
|
for(auto [entt, iv, cv]: registry.group<empty_type>(entt::get<int, char>).each()) {
|
|
static_assert(std::is_same_v<decltype(entt), entt::entity>);
|
|
static_assert(std::is_same_v<decltype(iv), int &>);
|
|
static_assert(std::is_same_v<decltype(cv), char &>);
|
|
ASSERT_EQ(entity, entt);
|
|
}
|
|
|
|
registry.group<double>(entt::get<int, char>).each([](const auto, double, int, char) { FAIL(); });
|
|
ASSERT_EQ(registry.group<double>(entt::get<int, char>).each().begin(), registry.group<double>(entt::get<int, char>).each().end());
|
|
}
|
|
|
|
TEST(OwningGroup, FrontBack) {
|
|
entt::registry registry;
|
|
auto group = registry.group<const char>(entt::get<const int>);
|
|
|
|
ASSERT_EQ(group.front(), static_cast<entt::entity>(entt::null));
|
|
ASSERT_EQ(group.back(), static_cast<entt::entity>(entt::null));
|
|
|
|
const auto e0 = registry.create();
|
|
registry.emplace<int>(e0);
|
|
registry.emplace<char>(e0);
|
|
|
|
const auto e1 = registry.create();
|
|
registry.emplace<int>(e1);
|
|
registry.emplace<char>(e1);
|
|
|
|
const auto entity = registry.create();
|
|
registry.emplace<char>(entity);
|
|
|
|
ASSERT_EQ(group.front(), e1);
|
|
ASSERT_EQ(group.back(), e0);
|
|
}
|
|
|
|
TEST(OwningGroup, SignalRace) {
|
|
entt::registry registry;
|
|
registry.on_construct<double>().connect<&entt::registry::emplace_or_replace<int>>();
|
|
const auto group = registry.group<int>(entt::get<double>);
|
|
|
|
auto entity = registry.create();
|
|
registry.emplace<double>(entity);
|
|
|
|
ASSERT_EQ(group.size(), 1u);
|
|
}
|
|
|
|
TEST(OwningGroup, StableLateInitialization) {
|
|
entt::registry registry;
|
|
|
|
for(std::size_t i{}; i < 30u; ++i) {
|
|
auto entity = registry.create();
|
|
if(!(i % 2u)) registry.emplace<int>(entity);
|
|
if(!(i % 3u)) registry.emplace<char>(entity);
|
|
}
|
|
|
|
// thanks to @pgruenbacher for pointing out this corner case
|
|
ASSERT_EQ((registry.group<int, char>().size()), 5u);
|
|
}
|
|
|
|
TEST(OwningGroup, PreventEarlyOptOut) {
|
|
entt::registry registry;
|
|
|
|
registry.emplace<int>(registry.create(), 3);
|
|
|
|
const auto entity = registry.create();
|
|
registry.emplace<char>(entity, 'c');
|
|
registry.emplace<int>(entity, 2);
|
|
|
|
// thanks to @pgruenbacher for pointing out this corner case
|
|
registry.group<char, int>().each([entity](const auto entt, const auto &c, const auto &i) {
|
|
ASSERT_EQ(entity, entt);
|
|
ASSERT_EQ(c, 'c');
|
|
ASSERT_EQ(i, 2);
|
|
});
|
|
}
|
|
|
|
TEST(OwningGroup, SwappingValuesIsAllowed) {
|
|
entt::registry registry;
|
|
const auto group = registry.group<boxed_int>(entt::get<empty_type>);
|
|
|
|
for(std::size_t i{}; i < 2u; ++i) {
|
|
const auto entity = registry.create();
|
|
registry.emplace<boxed_int>(entity, static_cast<int>(i));
|
|
registry.emplace<empty_type>(entity);
|
|
}
|
|
|
|
registry.destroy(group.back());
|
|
|
|
// thanks to @andranik3949 for pointing out this missing test
|
|
registry.view<const boxed_int>().each([](const auto entity, const auto &value) {
|
|
ASSERT_EQ(entt::to_integral(entity), value.value);
|
|
});
|
|
}
|
|
|
|
TEST(OwningGroup, ExtendedGet) {
|
|
using type = decltype(std::declval<entt::registry>().group<int, empty_type>(entt::get<char>).get({}));
|
|
|
|
static_assert(std::tuple_size_v<type> == 2u);
|
|
static_assert(std::is_same_v<std::tuple_element_t<0, type>, int &>);
|
|
static_assert(std::is_same_v<std::tuple_element_t<1, type>, char &>);
|
|
|
|
entt::registry registry;
|
|
const auto entity = registry.create();
|
|
|
|
registry.emplace<int>(entity, 42);
|
|
registry.emplace<char>(entity, 'c');
|
|
|
|
const auto tup = registry.group<int>(entt::get<char>).get(entity);
|
|
|
|
ASSERT_EQ(std::get<0>(tup), 42);
|
|
ASSERT_EQ(std::get<1>(tup), 'c');
|
|
}
|