go/test/ken/range.go

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1.5 KiB
Go
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// $G $D/$F.go && $L $F.$A && ./$A.out
// 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.
package main
const size = 16;
var a [size]byte;
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var p []byte;
var m map[int]byte;
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func
f(k int) byte
{
return byte(k*10007 % size);
}
func
init()
{
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p = make([]byte, size);
m = make(map[int]byte);
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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 {
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v := a[k];
if v != f(k) {
panicln("key array range", k, v, a[k]);
}
i++;
}
if i != size {
panicln("key array size", i);
}
i = 0;
for k := range p {
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v := p[k];
if v != f(k) {
panicln("key pointer range", k, v, p[k]);
}
i++;
}
if i != size {
panicln("key pointer size", i);
}
i = 0;
for k := range m {
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v := m[k];
if v != f(k) {
panicln("key map range", k, v, m[k]);
}
i++;
}
if i != size {
panicln("key map size", i);
}
/*
* key:value
*/
i = 0;
for k:v := range a {
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if v != f(k) {
panicln("key:value array range", k, v, a[k]);
}
i++;
}
if i != size {
panicln("key:value array size", i);
}
i = 0;
for k:v := range p {
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if v != f(k) {
panicln("key:value pointer range", k, v, p[k]);
}
i++;
}
if i != size {
panicln("key:value pointer size", i);
}
i = 0;
for k:v := range m {
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if v != f(k) {
panicln("key:value map range", k, v, m[k]);
}
i++;
}
if i != size {
panicln("key:value map size", i);
}
}