/usr/share/go-1.6/test/fixedbugs/issue4085b.go is in golang-1.6-src 1.6.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | // run
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"strings"
"unsafe"
)
type T []int
func main() {
n := -1
shouldPanic("len out of range", func() {_ = make(T, n)})
shouldPanic("cap out of range", func() {_ = make(T, 0, n)})
var t *byte
if unsafe.Sizeof(t) == 8 {
n = 1<<20
n <<= 20
shouldPanic("len out of range", func() {_ = make(T, n)})
shouldPanic("cap out of range", func() {_ = make(T, 0, n)})
n <<= 20
shouldPanic("len out of range", func() {_ = make(T, n)})
shouldPanic("cap out of range", func() {_ = make(T, 0, n)})
} else {
n = 1<<31 - 1
shouldPanic("len out of range", func() {_ = make(T, n)})
shouldPanic("cap out of range", func() {_ = make(T, 0, n)})
}
}
func shouldPanic(str string, f func()) {
defer func() {
err := recover()
if err == nil {
panic("did not panic")
}
s := err.(error).Error()
if !strings.Contains(s, str) {
panic("got panic " + s + ", want " + str)
}
}()
f()
}
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