gcc/testsuite/go.test/test/func.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 simple functions.
   8
   9 package main
  10
  11 func assertequal(is, shouldbe int, msg string) {
  12         if is != shouldbe {
  13                 print("assertion fail", msg, "\n")
  14                 panic(1)
  15         }
  16 }
  17
  18 func f1() {
  19 }
  20
  21 func f2(a int) {
  22 }
  23
  24 func f3(a, b int) int {
  25         return a + b
  26 }
  27
  28 func f4(a, b int, c float32) int {
  29         return (a+b)/2 + int(c)
  30 }
  31
  32 func f5(a int) int {
  33         return 5
  34 }
  35
  36 func f6(a int) (r int) {
  37         return 6
  38 }
  39
  40 func f7(a int) (x int, y float32) {
  41         return 7, 7.0
  42 }
  43
  44
  45 func f8(a int) (x int, y float32) {
  46         return 8, 8.0
  47 }
  48
  49 type T struct {
  50         x, y int
  51 }
  52
  53 func (t *T) m10(a int, b float32) int {
  54         return (t.x + a) * (t.y + int(b))
  55 }
  56
  57
  58 func f9(a int) (i int, f float32) {
  59         i = 9
  60         f = 9.0
  61         return
  62 }
  63
  64
  65 func main() {
  66         f1()
  67         f2(1)
  68         r3 := f3(1, 2)
  69         assertequal(r3, 3, "3")
  70         r4 := f4(0, 2, 3.0)
  71         assertequal(r4, 4, "4")
  72         r5 := f5(1)
  73         assertequal(r5, 5, "5")
  74         r6 := f6(1)
  75         assertequal(r6, 6, "6")
  76         r7, s7 := f7(1)
  77         assertequal(r7, 7, "r7")
  78         assertequal(int(s7), 7, "s7")
  79         r8, s8 := f8(1)
  80         assertequal(r8, 8, "r8")
  81         assertequal(int(s8), 8, "s8")
  82         r9, s9 := f9(1)
  83         assertequal(r9, 9, "r9")
  84         assertequal(int(s9), 9, "s9")
  85         var t *T = new(T)
  86         t.x = 1
  87         t.y = 2
  88         r10 := t.m10(1, 3.0)
  89         assertequal(r10, 10, "10")
  90 }