gcc/testsuite/go.test/test/complit.go

   1 // run
   2
   3 // Copyright 2009 The Go Authors. All rights reserved.
   4 // Use of this source code is governed by a BSD-style
   5 // license that can be found in the LICENSE file.
   6
   7 // Test composite literals.
   8
   9 package main
  10
  11 type T struct {
  12         i    int
  13         f    float64
  14         s    string
  15         next *T
  16 }
  17
  18 type R struct {
  19         num int
  20 }
  21
  22 func itor(a int) *R {
  23         r := new(R)
  24         r.num = a
  25         return r
  26 }
  27
  28 func eq(a []*R) {
  29         for i := 0; i < len(a); i++ {
  30                 if a[i].num != i {
  31                         panic("bad")
  32                 }
  33         }
  34 }
  35
  36 func teq(t *T, n int) {
  37         for i := 0; i < n; i++ {
  38                 if t == nil || t.i != i {
  39                         panic("bad")
  40                 }
  41                 t = t.next
  42         }
  43         if t != nil {
  44                 panic("bad")
  45         }
  46 }
  47
  48 type P struct {
  49         a, b int
  50 }
  51
  52 func NewP(a, b int) *P {
  53         return &P{a, b}
  54 }
  55
  56 func main() {
  57         var t T
  58         t = T{0, 7.2, "hi", &t}
  59
  60         var tp *T
  61         tp = &T{0, 7.2, "hi", &t}
  62
  63         tl := &T{i: 0, next: &T{i: 1, next: &T{i: 2, next: &T{i: 3, next: &T{i: 4}}}}}
  64         teq(tl, 5)
  65
  66         a1 := []int{1, 2, 3}
  67         if len(a1) != 3 {
  68                 panic("a1")
  69         }
  70         a2 := [10]int{1, 2, 3}
  71         if len(a2) != 10 || cap(a2) != 10 {
  72                 panic("a2")
  73         }
  74
  75         a3 := [10]int{1, 2, 3}
  76         if len(a3) != 10 || a2[3] != 0 {
  77                 panic("a3")
  78         }
  79
  80         var oai []int
  81         oai = []int{1, 2, 3}
  82         if len(oai) != 3 {
  83                 panic("oai")
  84         }
  85
  86         at := [...]*T{&t, tp, &t}
  87         if len(at) != 3 {
  88                 panic("at")
  89         }
  90
  91         c := make(chan int)
  92         ac := []chan int{c, c, c}
  93         if len(ac) != 3 {
  94                 panic("ac")
  95         }
  96
  97         aat := [][len(at)]*T{at, at}
  98         if len(aat) != 2 || len(aat[1]) != 3 {
  99                 panic("aat")
 100         }
 101
 102         s := string([]byte{'h', 'e', 'l', 'l', 'o'})
 103         if s != "hello" {
 104                 panic("s")
 105         }
 106
 107         m := map[string]float64{"one": 1.0, "two": 2.0, "pi": 22. / 7.}
 108         if len(m) != 3 {
 109                 panic("m")
 110         }
 111
 112         eq([]*R{itor(0), itor(1), itor(2), itor(3), itor(4), itor(5)})
 113         eq([]*R{{0}, {1}, {2}, {3}, {4}, {5}})
 114
 115         p1 := NewP(1, 2)
 116         p2 := NewP(1, 2)
 117         if p1 == p2 {
 118                 panic("NewP")
 119         }
 120 }