From 24aa45c95ead8e8c1bc4349db92af7917a5a2524 Mon Sep 17 00:00:00 2001
From: lcnr <rust@lcnr.de>
Date: Mon, 9 Aug 2021 11:08:39 +0200
Subject: [PATCH] add `windows` count test

---
 library/core/tests/slice.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/library/core/tests/slice.rs b/library/core/tests/slice.rs
index 240b894057c3e..43e2af3eb18d2 100644
--- a/library/core/tests/slice.rs
+++ b/library/core/tests/slice.rs
@@ -739,6 +739,10 @@ fn test_array_windows_count() {
     let v3: &[i32] = &[];
     let c3 = v3.array_windows::<2>();
     assert_eq!(c3.count(), 0);
+
+    let v4: &[()] = &[(); usize::MAX];
+    let c4 = v4.array_windows::<1>();
+    assert_eq!(c4.count(), usize::MAX);
 }
 
 #[test]
@@ -1050,6 +1054,10 @@ fn test_windows_count() {
     let v3: &[i32] = &[];
     let c3 = v3.windows(2);
     assert_eq!(c3.count(), 0);
+
+    let v4 = &[(); usize::MAX];
+    let c4 = v4.windows(1);
+    assert_eq!(c4.count(), usize::MAX);
 }
 
 #[test]