From faa3129c6f7b85cf41dc0c8fe7f50e0c70576288 Mon Sep 17 00:00:00 2001
From: crumblingstatue <radiantstatue@gmail.com>
Date: Fri, 14 Apr 2023 16:32:10 +0200
Subject: [PATCH] Create world serialization test that reproduces zstd frame
 issue

---
 src/world.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/world.rs b/src/world.rs
index 0e61a45..5cfb420 100644
--- a/src/world.rs
+++ b/src/world.rs
@@ -357,3 +357,19 @@ const _: () = assert!(
     REGION_N_CHUNKS <= 64,
     "A region file uses an existence bitset that's a 64 bit integer"
 );
+
+/// Test that world serialization doesn't panic
+#[test]
+fn test_world_serialization() {
+    env_logger::builder()
+        .filter_level(log::LevelFilter::Info)
+        .init();
+    let mut w = World::new(WorldPos { x: 0, y: 0 }, "smoltestworld");
+    let wg = Worldgen::from_seed(0);
+    for y in 0..900 {
+        for x in 0..900 {
+            w.tile_at_mut(TilePos { x, y }, &wg).mid = (x + y) as u16;
+        }
+    }
+    w.save();
+}