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group: added ::handle to non-owning groups

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This commit is contained in:
Michele Caini
2021-12-10 08:25:46 +01:00
parent 4347ebcee2
commit f741fe48a1
2 changed files with 27 additions and 0 deletions
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19
test/entt/entity/group.cpp
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@@ -80,6 +80,25 @@ TEST(NonOwningGroup, Functionalities) {
ASSERT_FALSE(invalid);
}
TEST(NonOwningGroup, Handle) {
entt::registry registry;
const auto entity = registry.create();
auto group = registry.group(entt::get<int, char>);
auto &&handle = group.handle();
ASSERT_TRUE(handle.empty());
ASSERT_FALSE(handle.contains(entity));
ASSERT_EQ(&handle, &group.handle());
registry.emplace<int>(entity);
registry.emplace<char>(entity);
ASSERT_FALSE(handle.empty());
ASSERT_TRUE(handle.contains(entity));
ASSERT_EQ(&handle, &group.handle());
}
TEST(NonOwningGroup, Invalid) {
entt::registry registry{};
auto group = std::as_const(registry).group_if_exists(entt::get<const empty_type, const int>);