Add one test

AbeZbm · AbeZbm · commit a7c8a286e051 · 2025-05-24T00:53:21.000+08:00
diff --git a/src/map.rs b/src/map.rs
@@ -5058,6 +5058,11 @@ mod test_map {
             Some(x) => *x = new,
         }
         assert_eq!(m.get(&5), Some(&new));
+
+        let mut hashmap: HashMap<i32, String> = HashMap::default();
+        let key = &1;
+        let result = hashmap.get_mut(key);
+        assert!(result.is_none());
     }
 
     #[test]

Original file line number	Diff line number	Diff line change
`@@ -5058,6 +5058,11 @@ mod test_map {`
`5058`	`5058`	`Some(x) => *x = new,`
`5059`	`5059`	`}`
`5060`	`5060`	`assert_eq!(m.get(&5), Some(&new));`
	`5061`	`+`
	`5062`	`+ let mut hashmap: HashMap<i32, String> = HashMap::default();`
	`5063`	`+ let key = &1;`
	`5064`	`+ let result = hashmap.get_mut(key);`
	`5065`	`+ assert!(result.is_none());`
`5061`	`5066`	`}`
`5062`	`5067`
`5063`	`5068`	`#[test]`