/usr/share/go-1.8/test/slice3err.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 | // errorcheck
// 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 p
var array *[10]int
var slice []int
var str string
var i, j, k int
func f() {
// check what missing arguments are allowed
_ = array[:]
_ = array[i:]
_ = array[:j]
_ = array[i:j]
_ = array[::] // ERROR "middle index required in 3-index slice" "final index required in 3-index slice"
_ = array[i::] // ERROR "middle index required in 3-index slice" "final index required in 3-index slice"
_ = array[:j:] // ERROR "final index required in 3-index slice"
_ = array[i:j:] // ERROR "final index required in 3-index slice"
_ = array[::k] // ERROR "middle index required in 3-index slice"
_ = array[i::k] // ERROR "middle index required in 3-index slice"
_ = array[:j:k]
_ = array[i:j:k]
_ = slice[:]
_ = slice[i:]
_ = slice[:j]
_ = slice[i:j]
_ = slice[::] // ERROR "middle index required in 3-index slice" "final index required in 3-index slice"
_ = slice[i::] // ERROR "middle index required in 3-index slice" "final index required in 3-index slice"
_ = slice[:j:] // ERROR "final index required in 3-index slice"
_ = slice[i:j:] // ERROR "final index required in 3-index slice"
_ = slice[::k] // ERROR "middle index required in 3-index slice"
_ = slice[i::k] // ERROR "middle index required in 3-index slice"
_ = slice[:j:k]
_ = slice[i:j:k]
_ = str[:]
_ = str[i:]
_ = str[:j]
_ = str[i:j]
_ = str[::] // ERROR "3-index slice of string" "middle index required in 3-index slice" "final index required in 3-index slice"
_ = str[i::] // ERROR "3-index slice of string" "middle index required in 3-index slice" "final index required in 3-index slice"
_ = str[:j:] // ERROR "3-index slice of string" "final index required in 3-index slice"
_ = str[i:j:] // ERROR "3-index slice of string" "final index required in 3-index slice"
_ = str[::k] // ERROR "3-index slice of string" "middle index required in 3-index slice"
_ = str[i::k] // ERROR "3-index slice of string" "middle index required in 3-index slice"
_ = str[:j:k] // ERROR "3-index slice of string"
_ = str[i:j:k] // ERROR "3-index slice of string"
// check invalid indices
_ = array[1:2]
_ = array[2:1] // ERROR "invalid slice index|inverted slice"
_ = array[2:2]
_ = array[i:1]
_ = array[1:j]
_ = array[1:2:3]
_ = array[1:3:2] // ERROR "invalid slice index|inverted slice"
_ = array[2:1:3] // ERROR "invalid slice index|inverted slice"
_ = array[2:3:1] // ERROR "invalid slice index|inverted slice"
_ = array[3:1:2] // ERROR "invalid slice index|inverted slice"
_ = array[3:2:1] // ERROR "invalid slice index|inverted slice"
_ = array[i:1:2]
_ = array[i:2:1] // ERROR "invalid slice index|inverted slice"
_ = array[1:j:2]
_ = array[2:j:1] // ERROR "invalid slice index"
_ = array[1:2:k]
_ = array[2:1:k] // ERROR "invalid slice index|inverted slice"
_ = slice[1:2]
_ = slice[2:1] // ERROR "invalid slice index|inverted slice"
_ = slice[2:2]
_ = slice[i:1]
_ = slice[1:j]
_ = slice[1:2:3]
_ = slice[1:3:2] // ERROR "invalid slice index|inverted slice"
_ = slice[2:1:3] // ERROR "invalid slice index|inverted slice"
_ = slice[2:3:1] // ERROR "invalid slice index|inverted slice"
_ = slice[3:1:2] // ERROR "invalid slice index|inverted slice"
_ = slice[3:2:1] // ERROR "invalid slice index|inverted slice"
_ = slice[i:1:2]
_ = slice[i:2:1] // ERROR "invalid slice index|inverted slice"
_ = slice[1:j:2]
_ = slice[2:j:1] // ERROR "invalid slice index"
_ = slice[1:2:k]
_ = slice[2:1:k] // ERROR "invalid slice index|inverted slice"
_ = str[1:2]
_ = str[2:1] // ERROR "invalid slice index|inverted slice"
_ = str[2:2]
_ = str[i:1]
_ = str[1:j]
// check out of bounds indices on array
_ = array[11:11] // ERROR "out of bounds"
_ = array[11:12] // ERROR "out of bounds"
_ = array[11:] // ERROR "out of bounds"
_ = array[:11] // ERROR "out of bounds"
_ = array[1:11] // ERROR "out of bounds"
_ = array[1:11:12] // ERROR "out of bounds"
_ = array[1:2:11] // ERROR "out of bounds"
_ = array[1:11:3] // ERROR "out of bounds|invalid slice index"
_ = array[11:2:3] // ERROR "out of bounds|inverted slice|invalid slice index"
_ = array[11:12:13] // ERROR "out of bounds"
// slice bounds not checked
_ = slice[11:11]
_ = slice[11:12]
_ = slice[11:]
_ = slice[:11]
_ = slice[1:11]
_ = slice[1:11:12]
_ = slice[1:2:11]
_ = slice[1:11:3] // ERROR "invalid slice index"
_ = slice[11:2:3] // ERROR "invalid slice index|inverted slice"
_ = slice[11:12:13]
}
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