gcc/testsuite/go.test/test/if.go

   1 // $G $F.go && $L $F.$A && ./$A.out
   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 package main
   8
   9 func assertequal(is, shouldbe int, msg string) {
  10         if is != shouldbe {
  11                 print("assertion fail", msg, "\n")
  12                 panic(1)
  13         }
  14 }
  15
  16 func main() {
  17         i5 := 5
  18         i7 := 7
  19
  20         var count int
  21
  22         count = 0
  23         if true {
  24                 count = count + 1
  25         }
  26         assertequal(count, 1, "if true")
  27
  28         count = 0
  29         if false {
  30                 count = count + 1
  31         }
  32         assertequal(count, 0, "if false")
  33
  34         count = 0
  35         if one := 1; true {
  36                 count = count + one
  37         }
  38         assertequal(count, 1, "if true one")
  39
  40         count = 0
  41         if one := 1; false {
  42                 count = count + 1
  43                 _ = one
  44         }
  45         assertequal(count, 0, "if false one")
  46
  47         count = 0
  48         if {
  49                 count = count + 1
  50         }
  51         assertequal(count, 1, "if empty")
  52
  53         count = 0
  54         if one := 1; true {
  55                 count = count + one
  56         }
  57         assertequal(count, 1, "if empty one")
  58
  59         count = 0
  60         if i5 < i7 {
  61                 count = count + 1
  62         }
  63         assertequal(count, 1, "if cond")
  64
  65         count = 0
  66         if true {
  67                 count = count + 1
  68         } else
  69                 count = count - 1
  70         assertequal(count, 1, "if else true")
  71
  72         count = 0
  73         if false {
  74                 count = count + 1
  75         } else
  76                 count = count - 1
  77         assertequal(count, -1, "if else false")
  78
  79         count = 0
  80         if t:=1; false {
  81                 count = count + 1
  82                 _ = t
  83                 t := 7
  84                 _ = t
  85         } else
  86                 count = count - t
  87         assertequal(count, -1, "if else false var")
  88
  89         count = 0
  90         t := 1
  91         if false {
  92                 count = count + 1
  93                 t := 7
  94                 _ = t
  95         } else
  96                 count = count - t
  97         _ = t
  98         assertequal(count, -1, "if else false var outside")
  99 }