/usr/share/go-1.6/test/ken/string.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 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 | // cmpout
// Copyright 2009 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 string operations including printing.
package main
func main() {
var c string
a := `abc`
b := `xyz`
/* print a literal */
print(`abc`)
/* print a variable */
print(b, "-")
/* catenate literals */
print(`abc`+`xyz`, "-")
/* catenate variables */
print(a+b, "-")
/* compare literals */
if `abc` == `xyz` || `abc` != "abc" || `abc` > `xyz` {
panic("compare literals")
}
/* compare variables */
if a == b || a != a || a > b {
panic("compare variables")
}
/* cat */
c = a + b
print(c, "-")
/* catequal */
c = a
c += b
print(c, "-")
/* clumsy evaluation */
c = b
c = a + c
print(c, "-")
/* len */
if len(c) != 6 {
print("len ", len(c))
panic("fail")
}
/* index strings */
for i := 0; i < len(c); i = i + 1 {
if c[i] != (a + b)[i] {
print("index ", i, " ", c[i], " ", (a + b)[i])
panic("fail")
}
}
/* slice strings */
print(c[0:3], c[3:])
print("\n")
/* create string with integer constant */
c = string('x')
if c != "x" {
panic("create int " + c)
}
/* create string with integer variable */
v := 'x'
c = string(v)
if c != "x" {
panic("create int " + c)
}
/* create string with byte array */
var z1 [3]byte
z1[0] = 'a'
z1[1] = 'b'
z1[2] = 'c'
c = string(z1[0:])
if c != "abc" {
panic("create byte array " + c)
}
/* create string with int array */
var z2 [3]rune
z2[0] = 'a'
z2[1] = '\u1234'
z2[2] = 'c'
c = string(z2[0:])
if c != "a\u1234c" {
panic("create int array " + c)
}
/* create string with byte array pointer */
z3 := new([3]byte)
z3[0] = 'a'
z3[1] = 'b'
z3[2] = 'c'
c = string(z3[0:])
if c != "abc" {
panic("create array pointer " + c)
}
}
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