gcc/testsuite/go.test/test/nilptr2.go

   1 // run
   2
   3 // Copyright 2013 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 package main
   8
   9 func main() {
  10         ok := true
  11         for _, tt := range tests {
  12                 func() {
  13                         defer func() {
  14                                 if err := recover(); err == nil {
  15                                         println(tt.name, "did not panic")
  16                                         ok = false
  17                                 }
  18                         }()
  19                         tt.fn()
  20                 }()
  21         }
  22         if !ok {
  23                 println("BUG")
  24         }
  25 }
  26
  27 var intp *int
  28 var slicep *[]byte
  29 var a10p *[10]int
  30 var a10Mp *[1<<20]int
  31 var structp *Struct
  32 var bigstructp *BigStruct
  33 var i int
  34 var m *M
  35 var m1 *M1
  36 var m2 *M2
  37
  38 func use(interface{}) {
  39 }
  40
  41 var tests = []struct{
  42         name string
  43         fn func()
  44 }{
  45         // Edit .+1,/^}/s/^[^   ].+/    {"&", func() { println(&) }},\n {"\&&", func() { println(\&&) }},/g
  46         {"*intp", func() { println(*intp) }},
  47         {"&*intp", func() { println(&*intp) }},
  48         {"*slicep", func() { println(*slicep) }},
  49         {"&*slicep", func() { println(&*slicep) }},
  50         {"(*slicep)[0]", func() { println((*slicep)[0]) }},
  51         {"&(*slicep)[0]", func() { println(&(*slicep)[0]) }},
  52         {"(*slicep)[i]", func() { println((*slicep)[i]) }},
  53         {"&(*slicep)[i]", func() { println(&(*slicep)[i]) }},
  54         {"*a10p", func() { use(*a10p) }},
  55         {"&*a10p", func() { println(&*a10p) }},
  56         {"a10p[0]", func() { println(a10p[0]) }},
  57         {"&a10p[0]", func() { println(&a10p[0]) }},
  58         {"a10p[i]", func() { println(a10p[i]) }},
  59         {"&a10p[i]", func() { println(&a10p[i]) }},
  60         {"*structp", func() { use(*structp) }},
  61         {"&*structp", func() { println(&*structp) }},
  62         {"structp.i", func() { println(structp.i) }},
  63         {"&structp.i", func() { println(&structp.i) }},
  64         {"structp.j", func() { println(structp.j) }},
  65         {"&structp.j", func() { println(&structp.j) }},
  66         {"structp.k", func() { println(structp.k) }},
  67         {"&structp.k", func() { println(&structp.k) }},
  68         {"structp.x[0]", func() { println(structp.x[0]) }},
  69         {"&structp.x[0]", func() { println(&structp.x[0]) }},
  70         {"structp.x[i]", func() { println(structp.x[i]) }},
  71         {"&structp.x[i]", func() { println(&structp.x[i]) }},
  72         {"structp.x[9]", func() { println(structp.x[9]) }},
  73         {"&structp.x[9]", func() { println(&structp.x[9]) }},
  74         {"structp.l", func() { println(structp.l) }},
  75         {"&structp.l", func() { println(&structp.l) }},
  76         {"*bigstructp", func() { use(*bigstructp) }},
  77         {"&*bigstructp", func() { println(&*bigstructp) }},
  78         {"bigstructp.i", func() { println(bigstructp.i) }},
  79         {"&bigstructp.i", func() { println(&bigstructp.i) }},
  80         {"bigstructp.j", func() { println(bigstructp.j) }},
  81         {"&bigstructp.j", func() { println(&bigstructp.j) }},
  82         {"bigstructp.k", func() { println(bigstructp.k) }},
  83         {"&bigstructp.k", func() { println(&bigstructp.k) }},
  84         {"bigstructp.x[0]", func() { println(bigstructp.x[0]) }},
  85         {"&bigstructp.x[0]", func() { println(&bigstructp.x[0]) }},
  86         {"bigstructp.x[i]", func() { println(bigstructp.x[i]) }},
  87         {"&bigstructp.x[i]", func() { println(&bigstructp.x[i]) }},
  88         {"bigstructp.x[9]", func() { println(bigstructp.x[9]) }},
  89         {"&bigstructp.x[9]", func() { println(&bigstructp.x[9]) }},
  90         {"bigstructp.x[100<<20]", func() { println(bigstructp.x[100<<20]) }},
  91         {"&bigstructp.x[100<<20]", func() { println(&bigstructp.x[100<<20]) }},
  92         {"bigstructp.l", func() { println(bigstructp.l) }},
  93         {"&bigstructp.l", func() { println(&bigstructp.l) }},
  94         {"m1.F()", func() { println(m1.F()) }},
  95         {"m1.M.F()", func() { println(m1.M.F()) }},
  96         {"m2.F()", func() { println(m2.F()) }},
  97         {"m2.M.F()", func() { println(m2.M.F()) }},
  98 }
  99
 100 type Struct struct {
 101         i int
 102         j float64
 103         k string
 104         x [10]int
 105         l []byte
 106 }
 107
 108 type BigStruct struct {
 109         i int
 110         j float64
 111         k string
 112         x [128<<20]byte
 113         l []byte
 114 }
 115
 116 type M struct {
 117 }
 118
 119 func (m *M) F() int {return 0}
 120
 121 type M1 struct {
 122         M
 123 }
 124
 125 type M2 struct {
 126         x int
 127         M
 128 }