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| // run
|
| // 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 'for range' on arrays, slices, and maps.
|
| package main
|
| const size = 16
|
| var a [size]byte
| var p []byte
| var m map[int]byte
|
| func f(k int) byte {
| return byte(k * 10007 % size)
| }
|
| func init() {
| p = make([]byte, size)
| m = make(map[int]byte)
| for k := 0; k < size; k++ {
| v := f(k)
| a[k] = v
| p[k] = v
| m[k] = v
| }
| }
|
| func main() {
| var i int
|
| /*
| * key only
| */
| i = 0
| for k := range a {
| v := a[k]
| if v != f(k) {
| println("key array range", k, v, a[k])
| panic("fail")
| }
| i++
| }
| if i != size {
| println("key array size", i)
| panic("fail")
| }
|
| i = 0
| for k := range p {
| v := p[k]
| if v != f(k) {
| println("key pointer range", k, v, p[k])
| panic("fail")
| }
| i++
| }
| if i != size {
| println("key pointer size", i)
| panic("fail")
| }
|
| i = 0
| for k := range m {
| v := m[k]
| if v != f(k) {
| println("key map range", k, v, m[k])
| panic("fail")
| }
| i++
| }
| if i != size {
| println("key map size", i)
| panic("fail")
| }
|
| /*
| * key,value
| */
| i = 0
| for k, v := range a {
| if v != f(k) {
| println("key:value array range", k, v, a[k])
| panic("fail")
| }
| i++
| }
| if i != size {
| println("key:value array size", i)
| panic("fail")
| }
|
| i = 0
| for k, v := range p {
| if v != f(k) {
| println("key:value pointer range", k, v, p[k])
| panic("fail")
| }
| i++
| }
| if i != size {
| println("key:value pointer size", i)
| panic("fail")
| }
|
| i = 0
| for k, v := range m {
| if v != f(k) {
| println("key:value map range", k, v, m[k])
| panic("fail")
| }
| i++
| }
| if i != size {
| println("key:value map size", i)
| panic("fail")
| }
| }
|
|
