/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#undef G_DISABLE_ASSERT

#undef G_LOG_DOMAIN

#include <glib.h>

#include <stdio.h>

#ifdef SYMBIAN

#include <glib_global.h>

#include "mrt2_glib2_test.h"

#endif /*SYMBIAN*/

#define THREADS 10

/* GStaticRecMutex */

GStaticRecMutex test_g_static_rec_mutex_mutex;

static guint test_g_static_rec_mutex_int = 0;

static gboolean test_g_static_rec_mutex_thread_ready;

static gpointer

test_g_static_rec_mutex_thread (gpointer data)

{

  g_assert (GPOINTER_TO_INT (data) == 42);

  g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex) 

	    == FALSE);

  test_g_static_rec_mutex_thread_ready = TRUE;

  //Testing g_static_rec_mutex_lock_full

  g_static_rec_mutex_lock_full (&test_g_static_rec_mutex_mutex, 10);

  g_assert (test_g_static_rec_mutex_int == 42);

  test_g_static_rec_mutex_thread_ready = FALSE;

  //Testing g_static_rec_mutex_unlock_full for lock_full

  g_static_rec_mutex_unlock_full (&test_g_static_rec_mutex_mutex);

  g_thread_exit (GINT_TO_POINTER (43));

  g_assert_not_reached ();

  return NULL;

}

static void

test_g_static_rec_mutex (void)

{

  GThread *thread;

  //Test for g_static_rec_mutex_init	

  g_static_rec_mutex_init(&test_g_static_rec_mutex_mutex);

  g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));

  test_g_static_rec_mutex_thread_ready = FALSE;

  thread = g_thread_create (test_g_static_rec_mutex_thread, 

			    GINT_TO_POINTER (42), TRUE, NULL);

  /* This busy wait is only for testing purposes and not an example of

   * good code!*/

  while (!test_g_static_rec_mutex_thread_ready)

    g_usleep (G_USEC_PER_SEC / 5);

  g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));

  test_g_static_rec_mutex_int = 41;

  g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);

  test_g_static_rec_mutex_int = 42;  

  g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);

  /* This busy wait is only for testing purposes and not an example of

   * good code!*/

  while (test_g_static_rec_mutex_thread_ready)

    g_usleep (G_USEC_PER_SEC / 5);

  g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);

  test_g_static_rec_mutex_int = 0;  

  //Testing g_static_rec_mutex_unlock_full with normal single lock

  g_static_rec_mutex_unlock_full (&test_g_static_rec_mutex_mutex);

  g_assert (GPOINTER_TO_INT (g_thread_join (thread)) == 43);

  g_static_rec_mutex_free (&test_g_static_rec_mutex_mutex);

}

/* GStaticRWLock */

/* -1 = writing; >0 = # of readers */

static gint test_g_static_rw_lock_state = 0; 

G_LOCK_DEFINE (test_g_static_rw_lock_state);

static gboolean test_g_static_rw_lock_run = TRUE; 

GStaticRWLock test_g_static_rw_lock_lock;// = G_STATIC_RW_LOCK_INIT;

static gpointer

test_g_static_rw_lock_thread (gpointer data)

{

  while (test_g_static_rw_lock_run)

    {

      if (g_random_double() > .2) /* I'm a reader */

	{

	  if (g_random_double() > .2) /* I'll block */

	    g_static_rw_lock_reader_lock (&test_g_static_rw_lock_lock);

	  else /* I'll only try */

	    if (!g_static_rw_lock_reader_trylock (&test_g_static_rw_lock_lock))

	      continue;

	  G_LOCK (test_g_static_rw_lock_state);

	  g_assert (test_g_static_rw_lock_state >= 0);

	  test_g_static_rw_lock_state++;

	  G_UNLOCK (test_g_static_rw_lock_state);

	  g_usleep (g_random_int_range (20,1000));

	  G_LOCK (test_g_static_rw_lock_state);

	  test_g_static_rw_lock_state--;

	  G_UNLOCK (test_g_static_rw_lock_state);

	  g_static_rw_lock_reader_unlock (&test_g_static_rw_lock_lock);

	}

      else /* I'm a writer */

	{

	  if (g_random_double() > .2) /* I'll block */ 

	    g_static_rw_lock_writer_lock (&test_g_static_rw_lock_lock);

	  else /* I'll only try */

	    if (!g_static_rw_lock_writer_trylock (&test_g_static_rw_lock_lock))

	      continue;

	  G_LOCK (test_g_static_rw_lock_state);

	  g_assert (test_g_static_rw_lock_state == 0);

	  test_g_static_rw_lock_state = -1;

	  G_UNLOCK (test_g_static_rw_lock_state);

	  g_usleep (g_random_int_range (20,1000));

	  G_LOCK (test_g_static_rw_lock_state);

	  test_g_static_rw_lock_state = 0;

	  G_UNLOCK (test_g_static_rw_lock_state);

	  g_static_rw_lock_writer_unlock (&test_g_static_rw_lock_lock);

	}

    }

  return NULL;

}

static void

test_g_static_rw_lock ()

{

  GThread *threads[THREADS];

  guint i;

  g_static_rw_lock_init(&test_g_static_rw_lock_lock);

  for (i = 0; i < THREADS; i++)

    {

      threads[i] = g_thread_create (test_g_static_rw_lock_thread, 

				    NULL, TRUE, NULL);      

    }

  g_usleep (G_USEC_PER_SEC * 5);

  test_g_static_rw_lock_run = FALSE;

  for (i = 0; i < THREADS; i++)

    {

      g_thread_join (threads[i]);

    }

  g_assert (test_g_static_rw_lock_state == 0);

  g_static_rw_lock_free(&test_g_static_rw_lock_lock);

}

void test_g_thread_error_quark()

{

	GQuark c = g_thread_error_quark();

	g_assert(c == 1);

}

static void test_g_thread_set_priority (void)

{

  GThread *thread;

  thread = g_thread_self();

  g_thread_set_priority (thread, G_THREAD_PRIORITY_HIGH);

  g_assert((thread->priority) == G_THREAD_PRIORITY_HIGH);

}

/* run all the tests */

void

run_all_thread_tests()

{

  test_g_static_rec_mutex ();

  test_g_static_rw_lock ();

  test_g_thread_error_quark();

  test_g_thread_set_priority();

}

int 

main (int   argc,

      char *argv[])

{

  #ifdef SYMBIAN

  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);

  g_set_print_handler(mrtPrintHandler);

  #endif /*SYMBIAN*/

  /* Only run the test, if threads are enabled and a default thread

     implementation is available */

#if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)

  g_thread_init (NULL);

  run_all_thread_tests ();

  /* Now we rerun all tests, but this time we fool the system into

   * thinking, that the available thread system is not native, but

   * userprovided. */

  g_thread_use_default_impl = FALSE;

  run_all_thread_tests ();

#endif

#ifdef SYMBIAN

  testResultXml("tthread");

#endif /* EMULATOR */

  return 0;

}