libgo/go/syscall/rlimit_linux_test.go

   1 // Copyright 2013 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package syscall_test
   6
   7 import (
   8         "syscall"
   9         "testing"
  10 )
  11
  12 func TestRlimit(t *testing.T) {
  13         var rlimit, zero syscall.Rlimit
  14         err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlimit)
  15         if err != nil {
  16                 t.Fatalf("Getrlimit: save failed: %v", err)
  17         }
  18         if zero == rlimit {
  19                 t.Fatalf("Getrlimit: save failed: got zero value %#v", rlimit)
  20         }
  21         set := rlimit
  22         set.Cur = set.Max - 1
  23         err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &set)
  24         if err != nil {
  25                 t.Fatalf("Setrlimit: set failed: %#v %v", set, err)
  26         }
  27         var get syscall.Rlimit
  28         err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &get)
  29         if err != nil {
  30                 t.Fatalf("Getrlimit: get failed: %v", err)
  31         }
  32         set = rlimit
  33         set.Cur = set.Max - 1
  34         if set != get {
  35                 t.Fatalf("Rlimit: change failed: wanted %#v got %#v", set, get)
  36         }
  37         err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rlimit)
  38         if err != nil {
  39                 t.Fatalf("Setrlimit: restore failed: %#v %v", rlimit, err)
  40         }
  41 }