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 7 package bytes_test 8 9 import ( 10 "bytes" 11 "testing" 12 ) 13 14 func 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