kc3-lang/gnulib/tests/test-get-rusage-as.c

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• Hash : 4ddd9dd5
  Author :
  Date : 2012-02-04T12:59:00
  

  get-rusage-as, get-rusage-data tests: Avoid test failure with gcc-4.7.
  
  * tests/test-get-rusage-as.c (main): Assign the malloc() results to
  global variables.
  * tests/test-get-rusage-data.c (main): Likewise.
  Reported by Jim Meyering.
  

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• tests/test-get-rusage-as.c

• /* Test of getter for RLIMIT_AS.
     Copyright (C) 2011-2012 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  #include "resource-ext.h"
  
  #include <stdio.h>
  #include <stdlib.h>
  
  #include "macros.h"
  
  void *memchunk1;
  void *memchunk2;
  
  int
  main ()
  {
    uintptr_t value1, value2, value3;
  
    value1 = get_rusage_as ();
  
    memchunk1 = malloc (0x88);
  
    value2 = get_rusage_as ();
  
    memchunk2 = malloc (0x281237);
  
    value3 = get_rusage_as ();
  
    if (value1 == 0 && value2 == 0 && value3 == 0)
      {
        fprintf (stderr, "Skipping test: no way to determine address space size\n");
        return 77;
      }
    else
      {
        /* The address space size is positive.  */
        ASSERT (value1 > 0);
  
        /* Allocating memory should not decrease the address space size.  */
        ASSERT (value2 >= value1);
        ASSERT (value3 >= value2);
  
        /* Allocating 2.5 MB of memory should increase the address space size.  */
        ASSERT (value3 > value1);
  
        return 0;
      }
  }
  

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