From e4daff8c16aaacb39ed5ca36ca82a58bce442c60 Mon Sep 17 00:00:00 2001
From: Alex Orlenko <zxteam@protonmail.com>
Date: Mon, 21 Jun 2021 12:18:06 +0100
Subject: [PATCH] Add limited recursion test to increase coverage

---
 tests/tests.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/tests.rs b/tests/tests.rs
index ea224e7..d3c2d1a 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -846,6 +846,25 @@ fn test_mismatched_registry_key() -> Result<()> {
     Ok(())
 }
 
+#[test]
+fn test_recursion() -> Result<()> {
+    let lua = Lua::new();
+
+    let f = lua.create_function(move |lua, i: i32| {
+        if i < 64 {
+            lua.globals()
+                .get::<_, Function>("f")?
+                .call::<_, ()>(i + 1)?;
+        }
+        Ok(())
+    })?;
+
+    lua.globals().set("f", f.clone())?;
+    f.call::<_, ()>(1)?;
+
+    Ok(())
+}
+
 #[test]
 fn test_too_many_returns() -> Result<()> {
     let lua = Lua::new();