#88 extra test

yegor256 · Apr 27, 2023 · 4492980 · 4492980
1 parent a1757db
commit 4492980
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/map.rs b/src/map.rs
@@ -203,6 +203,13 @@ fn overwrites_keys() {
     assert_eq!(1, m.len());
 }
 
+#[test]
+#[should_panic]
+fn cant_write_into_empty_map() {
+    let mut m: Map<i32, i32, 0> = Map::new();
+    m.insert(1, 42);
+}
+
 #[test]
 fn empty_length() {
     let m: Map<u32, u32, 10> = Map::new();