mirror of
https://github.com/golang/go
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122 lines
1.7 KiB
Go
122 lines
1.7 KiB
Go
// run
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test 'for range' on arrays, slices, and maps.
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package main
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const size = 16
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var a [size]byte
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var p []byte
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var m map[int]byte
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func f(k int) byte {
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return byte(k * 10007 % size)
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}
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func init() {
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p = make([]byte, size)
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m = make(map[int]byte)
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for k := 0; k < size; k++ {
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v := f(k)
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a[k] = v
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p[k] = v
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m[k] = v
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}
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}
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func main() {
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var i int
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/*
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* key only
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*/
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i = 0
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for k := range a {
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v := a[k]
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if v != f(k) {
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println("key array range", k, v, a[k])
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panic("fail")
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}
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i++
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}
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if i != size {
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println("key array size", i)
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panic("fail")
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}
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i = 0
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for k := range p {
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v := p[k]
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if v != f(k) {
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println("key pointer range", k, v, p[k])
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panic("fail")
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}
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i++
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}
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if i != size {
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println("key pointer size", i)
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panic("fail")
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}
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i = 0
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for k := range m {
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v := m[k]
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if v != f(k) {
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println("key map range", k, v, m[k])
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panic("fail")
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}
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i++
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}
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if i != size {
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println("key map size", i)
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panic("fail")
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}
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/*
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* key,value
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*/
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i = 0
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for k, v := range a {
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if v != f(k) {
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println("key:value array range", k, v, a[k])
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panic("fail")
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}
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i++
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}
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if i != size {
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println("key:value array size", i)
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panic("fail")
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}
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i = 0
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for k, v := range p {
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if v != f(k) {
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println("key:value pointer range", k, v, p[k])
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panic("fail")
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}
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i++
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}
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if i != size {
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println("key:value pointer size", i)
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panic("fail")
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}
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i = 0
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for k, v := range m {
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if v != f(k) {
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println("key:value map range", k, v, m[k])
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panic("fail")
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}
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i++
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}
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if i != size {
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println("key:value map size", i)
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panic("fail")
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}
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}
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