1// Copyright 2024 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build js && wasm
6
7package bytes_test
8
9import (
10	"bytes"
11	"testing"
12)
13
14func TestIssue65571(t *testing.T) {
15	b := make([]byte, 1<<31+1)
16	b[1<<31] = 1
17	i := bytes.IndexByte(b, 1)
18	if i != 1<<31 {
19		t.Errorf("IndexByte(b, 1) = %d; want %d", i, 1<<31)
20	}
21}
22