mirror of
https://github.com/golang/go
synced 2024-11-25 02:37:59 -07:00
119 lines
1.7 KiB
Go
119 lines
1.7 KiB
Go
// $G $F.go && $L $F.$A && ./$A.out
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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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package main
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type T struct {
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i int
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f float64
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s string
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next *T
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}
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type R struct {
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num int
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}
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func itor(a int) *R {
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r := new(R)
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r.num = a
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return r
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}
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func eq(a []*R) {
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for i := 0; i < len(a); i++ {
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if a[i].num != i {
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panic("bad")
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}
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}
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}
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func teq(t *T, n int) {
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for i := 0; i < n; i++ {
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if t == nil || t.i != i {
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panic("bad")
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}
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t = t.next
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}
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if t != nil {
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panic("bad")
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}
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}
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type P struct {
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a, b int
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}
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func NewP(a, b int) *P {
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return &P{a, b}
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}
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func main() {
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var t T
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t = T{0, 7.2, "hi", &t}
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var tp *T
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tp = &T{0, 7.2, "hi", &t}
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tl := &T{i: 0, next: &T{i: 1, next: &T{i: 2, next: &T{i: 3, next: &T{i: 4}}}}}
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teq(tl, 5)
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a1 := []int{1, 2, 3}
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if len(a1) != 3 {
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panic("a1")
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}
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a2 := [10]int{1, 2, 3}
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if len(a2) != 10 || cap(a2) != 10 {
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panic("a2")
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}
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a3 := [10]int{1, 2, 3}
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if len(a3) != 10 || a2[3] != 0 {
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panic("a3")
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}
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var oai []int
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oai = []int{1, 2, 3}
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if len(oai) != 3 {
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panic("oai")
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}
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at := [...]*T{&t, tp, &t}
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if len(at) != 3 {
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panic("at")
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}
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c := make(chan int)
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ac := []chan int{c, c, c}
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if len(ac) != 3 {
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panic("ac")
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}
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aat := [][len(at)]*T{at, at}
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if len(aat) != 2 || len(aat[1]) != 3 {
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panic("aat")
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}
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s := string([]byte{'h', 'e', 'l', 'l', 'o'})
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if s != "hello" {
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panic("s")
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}
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m := map[string]float64{"one": 1.0, "two": 2.0, "pi": 22. / 7.}
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if len(m) != 3 {
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panic("m")
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}
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eq([]*R{itor(0), itor(1), itor(2), itor(3), itor(4), itor(5)})
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eq([]*R{{0}, {1}, {2}, {3}, {4}, {5}})
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p1 := NewP(1, 2)
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p2 := NewP(1, 2)
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if p1 == p2 {
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panic("NewP")
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}
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}
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