gcc/testsuite/go.test/test/func8.go

   1 // run
   2
   3 // Copyright 2011 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 evaluation order.
   8
   9 package main
  10
  11 var calledf int
  12
  13 func f() int {
  14         calledf++
  15         return 0
  16 }
  17
  18 func g() int {
  19         return calledf
  20 }
  21
  22 var xy string
  23
  24 func x() bool {
  25         for false {
  26         } // no inlining
  27         xy += "x"
  28         return false
  29 }
  30
  31 func y() string {
  32         for false {
  33         } // no inlining
  34         xy += "y"
  35         return "abc"
  36 }
  37
  38 func main() {
  39         if f() == g() {
  40                 panic("wrong f,g order")
  41         }
  42
  43         if x() == (y() == "abc") {
  44                 panic("wrong compare")
  45         }
  46         if xy != "xy" {
  47                 panic("wrong x,y order")
  48         }
  49 }