-// $G $D/$F.go && $L $F.$A && ./$A.out
+// 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 the internal "algorithms" for objects larger than a word: hashing, equality etc.
+
package main
type T struct {
- a float64;
- b int64;
- c string;
- d byte;
+ a float64
+ b int64
+ c string
+ d byte
}
-var a = []int{ 1, 2, 3 }
-var NIL []int;
+var a = []int{1, 2, 3}
+var NIL []int
func arraycmptest() {
if NIL != nil {
- println("fail1:", NIL, "!= nil");
+ println("fail1:", NIL, "!= nil")
+ panic("bigalg")
}
if nil != NIL {
- println("fail2: nil !=", NIL);
+ println("fail2: nil !=", NIL)
+ panic("bigalg")
}
if a == nil || nil == a {
- println("fail3:", a, "== nil");
+ println("fail3:", a, "== nil")
+ panic("bigalg")
}
}
func SameArray(a, b []int) bool {
if len(a) != len(b) || cap(a) != cap(b) {
- return false;
+ return false
}
if len(a) > 0 && &a[0] != &b[0] {
- return false;
+ return false
}
- return true;
+ return true
}
var t = T{1.5, 123, "hello", 255}
var ma = make(map[int][]int)
func maptest() {
- mt[0] = t;
- t1 := mt[0];
+ mt[0] = t
+ t1 := mt[0]
if t1.a != t.a || t1.b != t.b || t1.c != t.c || t1.d != t.d {
- println("fail: map val struct", t1.a, t1.b, t1.c, t1.d);
+ println("fail: map val struct", t1.a, t1.b, t1.c, t1.d)
+ panic("bigalg")
}
- ma[1] = a;
- a1 := ma[1];
+ ma[1] = a
+ a1 := ma[1]
if !SameArray(a, a1) {
- println("fail: map val array", a, a1);
+ println("fail: map val array", a, a1)
+ panic("bigalg")
}
}
var ca = make(chan []int)
func send() {
- ct <- t;
- ca <- a;
+ ct <- t
+ ca <- a
}
func chantest() {
- go send();
+ go send()
- t1 := <-ct;
+ t1 := <-ct
if t1.a != t.a || t1.b != t.b || t1.c != t.c || t1.d != t.d {
- println("fail: map val struct", t1.a, t1.b, t1.c, t1.d);
+ println("fail: map val struct", t1.a, t1.b, t1.c, t1.d)
+ panic("bigalg")
}
- a1 := <-ca;
+ a1 := <-ca
if !SameArray(a, a1) {
- println("fail: map val array", a, a1);
+ println("fail: map val array", a, a1)
+ panic("bigalg")
}
}
-type E struct { }
+type E struct{}
+
var e E
func interfacetest() {
- var i interface{};
+ var i interface{}
- i = a;
- a1 := i.([]int);
+ i = a
+ a1 := i.([]int)
if !SameArray(a, a1) {
- println("interface <-> []int", a, a1);
+ println("interface <-> []int", a, a1)
+ panic("bigalg")
}
- pa := new([]int);
- *pa = a;
- i = pa;
- a1 = *i.(*[]int);
+ pa := new([]int)
+ *pa = a
+ i = pa
+ a1 = *i.(*[]int)
if !SameArray(a, a1) {
- println("interface <-> *[]int", a, a1);
+ println("interface <-> *[]int", a, a1)
+ panic("bigalg")
}
- i = t;
- t1 := i.(T);
+ i = t
+ t1 := i.(T)
if t1.a != t.a || t1.b != t.b || t1.c != t.c || t1.d != t.d {
- println("interface <-> struct", t1.a, t1.b, t1.c, t1.d);
+ println("interface <-> struct", t1.a, t1.b, t1.c, t1.d)
+ panic("bigalg")
}
- i = e;
- e1 := i.(E);
+ i = e
+ e1 := i.(E)
// nothing to check; just verify it doesn't crash
- _ = e1;
+ _ = e1
}
func main() {
- arraycmptest();
- maptest();
- chantest();
- interfacetest();
+ arraycmptest()
+ maptest()
+ chantest()
+ interfacetest()
}