Improve core::array coverage

pvdrz · simp4t7 · commit 6b49f2e04c5e · 2025-09-16T19:41:51.000Z
diff --git a/library/coretests/tests/array.rs b/library/coretests/tests/array.rs
@@ -717,3 +717,10 @@ fn array_map_drops_unmapped_elements_on_panic() {
         assert_eq!(counter.load(Ordering::SeqCst), MAX);
     }
 }
+
+// This covers the `PartialEq::<[T]>::eq` impl for `[T; N]` when it returns false.
+#[test]
+fn array_eq() {
+    let not_true = [0u8] == [].as_slice();
+    assert!(!not_true);
+}

Original file line number	Diff line number	Diff line change
`@@ -717,3 +717,10 @@ fn array_map_drops_unmapped_elements_on_panic() {`
`717`	`717`	`assert_eq!(counter.load(Ordering::SeqCst), MAX);`
`718`	`718`	`}`
`719`	`719`	`}`
	`720`	`+`
	`721`	+// This covers the `PartialEq::<[T]>::eq` impl for `[T; N]` when it returns false.
	`722`	`+#[test]`
	`723`	`+fn array_eq() {`
	`724`	`+ let not_true = [0u8] == [].as_slice();`
	`725`	`+ assert!(!not_true);`
	`726`	`+}`