From eec49bbf59c922060a5785a47d885529e6cb2ac8 Mon Sep 17 00:00:00 2001
From: HTGAzureX1212 <39023054+HTGAzureX1212@users.noreply.github.com>
Date: Fri, 2 Feb 2024 20:49:20 +0800
Subject: add MAX_LEN_UTF8 and MAX_LEN_UTF16 constants

---
 library/alloc/tests/lib.rs | 1 +
 library/alloc/tests/str.rs | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

(limited to 'library/alloc/tests')

diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs
index 391ff04a4b8..708dfc582a7 100644
--- a/library/alloc/tests/lib.rs
+++ b/library/alloc/tests/lib.rs
@@ -3,6 +3,7 @@
 #![feature(iter_array_chunks)]
 #![feature(assert_matches)]
 #![feature(btree_extract_if)]
+#![feature(char_max_len)]
 #![feature(cow_is_borrowed)]
 #![feature(core_intrinsics)]
 #![feature(downcast_unchecked)]
diff --git a/library/alloc/tests/str.rs b/library/alloc/tests/str.rs
index 6f930ab0853..aeb0e681c22 100644
--- a/library/alloc/tests/str.rs
+++ b/library/alloc/tests/str.rs
@@ -2,6 +2,7 @@
 
 use std::assert_matches::assert_matches;
 use std::borrow::Cow;
+use std::char::MAX_LEN_UTF8;
 use std::cmp::Ordering::{Equal, Greater, Less};
 use std::str::{from_utf8, from_utf8_unchecked};
 
@@ -1231,7 +1232,7 @@ fn test_to_uppercase_rev_iterator() {
 #[test]
 #[cfg_attr(miri, ignore)] // Miri is too slow
 fn test_chars_decoding() {
-    let mut bytes = [0; 4];
+    let mut bytes = [0; MAX_LEN_UTF8];
     for c in (0..0x110000).filter_map(std::char::from_u32) {
         let s = c.encode_utf8(&mut bytes);
         if Some(c) != s.chars().next() {
@@ -1243,7 +1244,7 @@ fn test_chars_decoding() {
 #[test]
 #[cfg_attr(miri, ignore)] // Miri is too slow
 fn test_chars_rev_decoding() {
-    let mut bytes = [0; 4];
+    let mut bytes = [0; MAX_LEN_UTF8];
     for c in (0..0x110000).filter_map(std::char::from_u32) {
         let s = c.encode_utf8(&mut bytes);
         if Some(c) != s.chars().rev().next() {
-- 
cgit 1.4.1-3-g733a5