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  1. /*
  2.  * Copyright (c) 2006 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <test.h>
  30. #include <print.h>
  31. #include <atomic.h>
  32. #include <debug.h>
  33.  
  34. char *test_atomic1(void)
  35. {
  36.     atomic_t a;
  37.    
  38.     atomic_set(&a, 10);
  39.     if (atomic_get(&a) != 10)
  40.         return "Failed atomic_set()/atomic_get()";
  41.    
  42.     if (atomic_postinc(&a) != 10)
  43.         return "Failed atomic_postinc()";
  44.     if (atomic_get(&a) != 11)
  45.         return "Failed atomic_get() after atomic_postinc()";
  46.    
  47.     if (atomic_postdec(&a) != 11)
  48.         return "Failed atomic_postdec()";
  49.     if (atomic_get(&a) != 10)
  50.         return "Failed atomic_get() after atomic_postdec()";
  51.    
  52.     if (atomic_preinc(&a) != 11)
  53.         return "Failed atomic_preinc()";
  54.     if (atomic_get(&a) != 11)
  55.         return "Failed atomic_get() after atomic_preinc()";
  56.    
  57.     if (atomic_predec(&a) != 10)
  58.         return "Failed atomic_predec()";
  59.     if (atomic_get(&a) != 10)
  60.         return "Failed atomic_get() after atomic_predec()";
  61.    
  62.     return NULL;
  63. }
  64.