test: meta_factory::traits

TODO

@@ -39,7 +39,7 @@ TODO:
 * refine the storage fallback mechanism for views (ie alloc?)
 * don't pass reactive storage by default to callback
 * runtime types support for meta for types that aren't backed by C++ types
-* dtor, traits and custom should be part of meta descriptor maybe (?)
+* dtor, traits and custom should be part of meta descriptor (update meta_factory tests then)
 * allow attaching const values of non-Type type to meta types
 * built-in no-pagination storage - no_pagination page size as limits::max
 * meta_any ownership construction and from_void

test/entt/meta/meta_factory.cpp

@@ -374,7 +374,36 @@ TEST_F(MetaFactory, FuncOverload) {
 }
 
 TEST_F(MetaFactory, Traits) {
-    // TODO
+    using namespace entt::literals;
+
+    entt::meta<clazz>()
+        .data<&base::member>("member"_hs)
+        .func<&clazz::set_int>("func"_hs)
+        .func<&clazz::set_boxed_int>("func"_hs);
+
+    entt::meta_type type = entt::resolve<clazz>();
+
+    ASSERT_EQ(type.traits<test::meta_traits>(), test::meta_traits::none);
+    ASSERT_EQ(type.data("member"_hs).traits<test::meta_traits>(), test::meta_traits::none);
+    ASSERT_EQ(type.func("func"_hs).traits<test::meta_traits>(), test::meta_traits::none);
+    ASSERT_EQ(type.func("func"_hs).next().traits<test::meta_traits>(), test::meta_traits::none);
+
+    entt::meta<clazz>()
+        .traits(test::meta_traits::one | test::meta_traits::three)
+        .data<&base::member>("member"_hs)
+        .traits(test::meta_traits::one)
+        .func<&clazz::set_int>("func"_hs)
+        .traits(test::meta_traits::two)
+        .func<&clazz::set_boxed_int>("func"_hs)
+        .traits(test::meta_traits::three);
+
+    // traits are copied and never refreshed (yet)
+    type = entt::resolve<clazz>();
+
+    ASSERT_EQ(type.traits<test::meta_traits>(), test::meta_traits::one | test::meta_traits::three);
+    ASSERT_EQ(type.data("member"_hs).traits<test::meta_traits>(), test::meta_traits::one);
+    ASSERT_EQ(type.func("func"_hs).traits<test::meta_traits>(), test::meta_traits::two);
+    ASSERT_EQ(type.func("func"_hs).next().traits<test::meta_traits>(), test::meta_traits::three);
 }
 
 TEST_F(MetaFactory, Custom) {