/usr/share/go-1.8/test/fixedbugs/bug242.go is in golang-1.8-src 1.8.3-2ubuntu1.
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 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | // run
// Copyright 2010 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.
// Test order of evaluation in tuple assignments.
package main
var i byte = 0
var a [30]byte
func f() *byte {
i++
return &a[i-1]
}
func gbyte() byte {
i++
return 'a' + i - 1
}
func gint() byte {
i++
return i - 1
}
func x() (byte, byte) {
i++
return 'a' + i - 1, 'a' + i - 1
}
func e1(c chan byte, expected byte) chan byte {
if i != expected {
println("e1: got", i, "expected", expected)
panic("fail")
}
i++
return c
}
type Empty interface{}
type I interface {
Get() byte
}
type S1 struct {
i byte
}
func (p S1) Get() byte { return p.i }
type S2 struct {
i byte
}
func e2(p Empty, expected byte) Empty {
if i != expected {
println("e2: got", i, "expected", expected)
panic("fail")
}
i++
return p
}
func e3(p *I, expected byte) *I {
if i != expected {
println("e3: got", i, "expected", expected)
panic("fail")
}
i++
return p
}
func main() {
for i := range a {
a[i] = ' '
}
// 0 1 2 3 4 5
*f(), *f(), *f() = gbyte(), gbyte(), gbyte()
// 6 7 8
*f(), *f() = x()
m := make(map[byte]byte)
m[10] = 'A'
var p1, p2 bool
// 9 10
*f(), p1 = m[gint()]
// 11 12
*f(), p2 = m[gint()]
a[11] += '0'
if !p1 || p2 {
println("bad map check", i, p1, p2)
panic("fail")
}
m[13] = 'B'
// 13 14
delete(m, gint())
gbyte()
if _, present := m[13]; present {
println("bad map removal")
panic("fail")
}
c := make(chan byte, 1)
c <- 'C'
// 15 16
*f(), p1 = <-e1(c, 16)
close(c)
// 17 18
*f(), p2 = <-e1(c, 18)
a[17] += '0'
if !p1 || p2 {
println("bad chan check", i, p1, p2)
panic("fail")
}
s1 := S1{'D'}
s2 := S2{'E'}
var iv I
// 19 20
*e3(&iv, 19), p1 = e2(s1, 20).(I)
// 21 22
*e3(&iv, 21), p2 = e2(s2, 22).(I)
if !p1 || p2 {
println("bad interface check", i, p1, p2)
panic("fail")
}
s := string(a[0:i])
if s != "def ii A 0 C 0 " {
println("bad array results:", s)
panic("fail")
}
}
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