From 290402d8fb24b7ab3c99208ddfc7c2adb6403fb7 Mon Sep 17 00:00:00 2001
From: rami3l <rami3l@outlook.com>
Date: Thu, 23 Jan 2025 10:44:16 +0800
Subject: [PATCH] test: improve coverage for `ref/ref.mbt`

**Disclaimer:** This PR was generated by an LLM agent as part of an experiment.

## Summary

```
coverage of `ref/ref.mbt`: 71.4% -> 85.7%
```
---
 ref/ref_test.mbt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ref/ref_test.mbt b/ref/ref_test.mbt
index 5a745392f..32275464d 100644
--- a/ref/ref_test.mbt
+++ b/ref/ref_test.mbt
@@ -56,3 +56,8 @@ test "update with identity function" {
   @ref.update(a, fn(x) { x })
   assert_eq!(a.val, 1)
 }
+
+test "Ref::new with string" {
+  let r = Ref::new("hello")
+  inspect!(r, content="{val: \"hello\"}")
+}