From 0797eff416d0e499c8a32a08b1b0b5f446e62e36 Mon Sep 17 00:00:00 2001
From: copygirl <copygirl@mcft.net>
Date: Fri, 5 Apr 2024 16:55:11 +0200
Subject: [PATCH] Test to check reusing components

---
 src/world.zig | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/world.zig b/src/world.zig
index 363a02e..34fe256 100644
--- a/src/world.zig
+++ b/src/world.zig
@@ -339,3 +339,28 @@ test "World REST API" {
 
     world.quit();
 }
+
+test "World delete and reuse component" {
+    flecszigble.init(std.testing.allocator);
+    var world = try World(void).initMinimal();
+    defer world.deinit();
+
+    const Position = struct { x: f32, y: f32 };
+
+    const position_1 = try world.component(Position);
+    // Remove default component cleanup policy to allow deletion of the component.
+    position_1.remove(.{ flecs.core.OnDelete, flecs.core.Panic });
+
+    const entity = try world.entity(.{}, .{Position});
+    entity.set(Position, .{ .x = 1.0, .y = 2.0 });
+    try expect.equal(.{ .x = 1.0, .y = 2.0 }, entity.get(Position));
+
+    // Deleting the component automatically removes it from any entity.
+    position_1.delete();
+
+    const position_2 = try world.component(Position);
+    try expect.equal(position_2, world.lookupType(Position));
+
+    entity.set(Position, .{ .x = 2.0, .y = 4.0 });
+    try expect.equal(.{ .x = 2.0, .y = 4.0 }, entity.get(Position));
+}