From 7d8461bae414d24736c594200559687c5783b023 Mon Sep 17 00:00:00 2001
From: Michele Caini <michele.caini@gmail.com>
Date: Wed, 3 Jul 2024 19:15:22 +0200
Subject: [PATCH] test: non-regression test for storage iterator page size
deduction
---
test/entt/entity/storage.cpp | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/test/entt/entity/storage.cpp b/test/entt/entity/storage.cpp
index b93a7c163..d57c6689c 100644
--- a/test/entt/entity/storage.cpp
+++ b/test/entt/entity/storage.cpp
@@ -67,6 +67,12 @@ struct entt::component_traits<std::unordered_set<char>> {
static constexpr auto page_size = 4u;
};
+template<>
+struct entt::component_traits<int> {
+ static constexpr auto in_place_delete = false;
+ static constexpr auto page_size = 128u;
+};
+
template<typename Type>
struct Storage: testing::Test {
static_assert(entt::component_traits<Type>::page_size != 0u, "Empty type not allowed");
@@ -533,16 +539,17 @@ TYPED_TEST(Storage, IteratorPageSizeAwareness) {
using traits_type = entt::component_traits<value_type>;
entt::storage<value_type> pool;
- const value_type check{2};
+ static_assert(!std::is_same_v<value_type, int> || (traits_type::page_size != entt::component_traits<value_type *>::page_size), "Different page size required");
for(unsigned int next{}; next < traits_type::page_size; ++next) {
pool.emplace(entt::entity{next});
}
- pool.emplace(entt::entity{traits_type::page_size}, check);
+ pool.emplace(entt::entity{traits_type::page_size});
// test the proper use of component traits by the storage iterator
- ASSERT_EQ(*pool.begin(), check);
+ ASSERT_EQ(&pool.begin()[0], pool.raw()[1u]);
+ ASSERT_EQ(&pool.begin()[traits_type::page_size], pool.raw()[0u]);
}
TYPED_TEST(Storage, Getters) {