glib/tsrc/BC/tests/atomic-test.c
author hgs
Wed, 13 Oct 2010 19:39:18 +0530
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permissions -rw-r--r--
201039
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/* Portion Copyright © 2008-09 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. */
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#undef G_DISABLE_ASSERT
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#undef G_LOG_DOMAIN
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#include <glib.h>
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#include <stdio.h>
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#ifdef SYMBIAN
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#include "mrt2_glib2_test.h"
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#endif /*SYMBIAN*/
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/* Obviously we can't test that the operations are atomic, but we can
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 * at least test, that they do, what they ought to do */
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int 
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main (int   argc,
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      char *argv[])
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{
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  gint i;
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  gint atomic = -5;
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  gpointer atomic_pointer = NULL;
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  gpointer biggest_pointer = (gpointer)((gsize)atomic_pointer - 1);
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  #ifdef SYMBIAN
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  g_log_set_handler (NULL,  G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL);
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  g_set_print_handler(mrtPrintHandler);
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  #endif /*SYMBIAN*/
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  for (i = 0; i < 15; i++)
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    g_atomic_int_inc (&atomic);
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  g_assert (atomic == 10);
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  for (i = 0; i < 9; i++)
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    g_assert (!g_atomic_int_dec_and_test (&atomic));
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  g_assert (g_atomic_int_dec_and_test (&atomic));
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  g_assert (atomic == 0);
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  g_assert (g_atomic_int_exchange_and_add (&atomic, 5) == 0);
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  g_assert (atomic == 5);
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  g_assert (g_atomic_int_exchange_and_add (&atomic, -10) == 5);
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  g_assert (atomic == -5);
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  g_atomic_int_add (&atomic, 20);
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  g_assert (atomic == 15);
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  g_atomic_int_add (&atomic, -35);
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  g_assert (atomic == -20);
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  g_assert (atomic == g_atomic_int_get (&atomic));
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  g_assert (g_atomic_int_compare_and_exchange (&atomic, -20, 20));
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  g_assert (atomic == 20);
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  g_assert (!g_atomic_int_compare_and_exchange (&atomic, 42, 12));
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  g_assert (atomic == 20);
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  g_assert (g_atomic_int_compare_and_exchange (&atomic, 20, G_MAXINT));
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  g_assert (atomic == G_MAXINT);
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  g_assert (g_atomic_int_compare_and_exchange (&atomic, G_MAXINT, G_MININT));
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  g_assert (atomic == G_MININT);
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  g_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer, 
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						   NULL, biggest_pointer));
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  g_assert (atomic_pointer == biggest_pointer);
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  g_assert (atomic_pointer == g_atomic_pointer_get (&atomic_pointer));
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  g_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer, 
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						   biggest_pointer, NULL));
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  g_assert (atomic_pointer == NULL);
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  #ifdef SYMBIAN
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  testResultXml("atomic-test");
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  #endif /* EMULATOR */
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  return 0;
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}