From 6737ffb2eb9f88b8f13c60f44b58a30ec7659df6 Mon Sep 17 00:00:00 2001
From: NukeBird <nukebird.dev@gmail.com>
Date: Sat, 15 Feb 2025 00:36:15 +0300
Subject: [PATCH] Addresses of removed components should be reused

---
 tests/zecsy.cpp | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/tests/zecsy.cpp b/tests/zecsy.cpp
index 5aa7360..9f654cb 100644
--- a/tests/zecsy.cpp
+++ b/tests/zecsy.cpp
@@ -129,3 +129,42 @@ TEST_CASE("Remove a component from an entity and verify it is no longer attached
 
     REQUIRE_FALSE(w.has<ChoosenOne>(e));
 }
+
+TEST_CASE("Addresses of removed components should be reused")
+{
+    world w; 
+    std::vector<entity> entities;
+    std::vector<ChoosenOne*> addr;
+
+    const int N = 4;
+
+    for(int i = 0; i < 2; ++i)
+    {
+        for(int j = 0; j < N; ++j)
+        {
+            entities.emplace_back(w.make_entity());
+            entities.back().set<ChoosenOne>();
+        }
+
+        if(addr.empty())
+        {
+            for(int j = 0; j < N; ++j)
+            {
+                addr.emplace_back(&entities[j].get<ChoosenOne>());
+            }
+        }
+        else 
+        {
+            for(int j = 0; j < N; ++j)
+            {
+                REQUIRE(&entities[j].get<ChoosenOne>() == addr[j]);
+            }
+        }
+
+        for(auto e: entities)
+        {
+            e.remove<ChoosenOne>();
+        }
+        entities.clear();
+    }
+}