Move tests/thread-test.c to glib/tests/thread-deprecated.c

Helps issue #1434

1 files changed, 410 insertions, 0 deletions

diff --git a/glib/tests/thread-deprecated.c b/glib/tests/thread-deprecated.c
new file mode 100644
index 000000000..7ce04ccaf
--- /dev/null
+++ b/glib/tests/thread-deprecated.c
@@ -0,0 +1,410 @@
+#ifndef GLIB_DISABLE_DEPRECATION_WARNINGS
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
+#endif
+
+#include <glib.h>
+
+/* GMutex */
+
+static GMutex test_g_mutex_mutex;
+static guint test_g_mutex_int = 0;
+static gboolean test_g_mutex_thread_ready;
+G_LOCK_DEFINE_STATIC (test_g_mutex);
+
+static gpointer
+test_g_mutex_thread (gpointer data)
+{
+  g_assert_cmpint (GPOINTER_TO_INT (data), ==, 42);
+  g_assert_false (g_mutex_trylock (&test_g_mutex_mutex));
+  g_assert_false (G_TRYLOCK (test_g_mutex));
+  test_g_mutex_thread_ready = TRUE;
+  g_mutex_lock (&test_g_mutex_mutex);
+  g_assert_cmpint (test_g_mutex_int, ==, 42);
+  g_mutex_unlock (&test_g_mutex_mutex);
+
+  return GINT_TO_POINTER (41);
+}
+
+static void
+test_g_mutex (void)
+{
+  GThread *thread;
+
+  g_assert_true (g_mutex_trylock (&test_g_mutex_mutex));
+  g_assert_true (G_TRYLOCK (test_g_mutex));
+  test_g_mutex_thread_ready = FALSE;
+  thread = g_thread_create (test_g_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_mutex_thread_ready)
+    g_usleep (G_USEC_PER_SEC / 5);
+  test_g_mutex_int = 42;
+  G_UNLOCK (test_g_mutex);
+  g_mutex_unlock (&test_g_mutex_mutex);
+  g_assert_cmpint (GPOINTER_TO_INT (g_thread_join (thread)), ==, 41);
+}
+
+/* GStaticRecMutex */
+
+static GStaticRecMutex test_g_static_rec_mutex_mutex = G_STATIC_REC_MUTEX_INIT;
+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_cmpint (GPOINTER_TO_INT (data), ==, 42);
+  g_assert_false (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
+
+  test_g_static_rec_mutex_thread_ready = TRUE;
+  g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
+  g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
+  g_assert_cmpint (test_g_static_rec_mutex_int, ==, 42);
+
+  test_g_static_rec_mutex_thread_ready = FALSE;
+  g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
+  g_static_rec_mutex_unlock (&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;
+
+  g_assert_true (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_true (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;
+  g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
+
+  g_assert_cmpint (GPOINTER_TO_INT (g_thread_join (thread)), ==, 43);
+}
+
+/* GStaticPrivate */
+
+#define THREADS 10
+
+static GStaticPrivate test_g_static_private_private1 = G_STATIC_PRIVATE_INIT;
+static GStaticPrivate test_g_static_private_private2 = G_STATIC_PRIVATE_INIT;
+static GMutex test_g_static_private_mutex;
+static guint test_g_static_private_counter = 0;
+static guint test_g_static_private_ready = 0;
+
+static gpointer
+test_g_static_private_constructor (void)
+{
+  g_mutex_lock (&test_g_static_private_mutex);
+  test_g_static_private_counter++;
+  g_mutex_unlock (&test_g_static_private_mutex);
+  return g_new (guint,1);
+}
+
+static void
+test_g_static_private_destructor (gpointer data)
+{
+  g_mutex_lock (&test_g_static_private_mutex);
+  test_g_static_private_counter--;
+  g_mutex_unlock (&test_g_static_private_mutex);
+  g_free (data);
+}
+
+
+static gpointer
+test_g_static_private_thread (gpointer data)
+{
+  guint number = GPOINTER_TO_INT (data);
+  guint i;
+  guint *private1, *private2;
+  for (i = 0; i < 10; i++)
+    {
+      number = number * 11 + 1; /* A very simple and bad RNG ;-) */
+      private1 = g_static_private_get (&test_g_static_private_private1);
+      if (!private1 || number % 7 > 3)
+	{
+	  private1 = test_g_static_private_constructor ();
+	  g_static_private_set (&test_g_static_private_private1, private1,
+				test_g_static_private_destructor);
+	}
+      *private1 = number;
+      private2 = g_static_private_get (&test_g_static_private_private2);
+      if (!private2 || number % 13 > 5)
+	{
+	  private2 = test_g_static_private_constructor ();
+	  g_static_private_set (&test_g_static_private_private2, private2,
+				test_g_static_private_destructor);
+	}
+      *private2 = number * 2;
+      g_usleep (G_USEC_PER_SEC / 5);
+      g_assert_cmpint (number, ==, *private1);
+      g_assert_cmpint (number * 2, ==, *private2);
+    }
+  g_mutex_lock (&test_g_static_private_mutex);
+  test_g_static_private_ready++;
+  g_mutex_unlock (&test_g_static_private_mutex);
+
+  /* Busy wait is not nice but that's just a test */
+  while (test_g_static_private_ready != 0)
+    g_usleep (G_USEC_PER_SEC / 5);
+
+  for (i = 0; i < 10; i++)
+    {
+      private2 = g_static_private_get (&test_g_static_private_private2);
+      number = number * 11 + 1; /* A very simple and bad RNG ;-) */
+      if (!private2 || number % 13 > 5)
+	{
+	  private2 = test_g_static_private_constructor ();
+	  g_static_private_set (&test_g_static_private_private2, private2,
+				test_g_static_private_destructor);
+        }
+      *private2 = number * 2;
+      g_usleep (G_USEC_PER_SEC / 5);
+      g_assert_cmpint (number * 2, ==, *private2);
+    }
+
+  return GINT_TO_POINTER (GPOINTER_TO_INT (data) * 3);
+}
+
+static void
+test_g_static_private (void)
+{
+  GThread *threads[THREADS];
+  guint i;
+
+  test_g_static_private_ready = 0;
+
+  for (i = 0; i < THREADS; i++)
+    {
+      threads[i] = g_thread_create (test_g_static_private_thread,
+                                    GINT_TO_POINTER (i), TRUE, NULL);
+    }
+
+  /* Busy wait is not nice but that's just a test */
+  while (test_g_static_private_ready != THREADS)
+    g_usleep (G_USEC_PER_SEC / 5);
+
+  /* Reuse the static private */
+  g_static_private_free (&test_g_static_private_private2);
+  g_static_private_init (&test_g_static_private_private2);
+
+  test_g_static_private_ready = 0;
+
+  for (i = 0; i < THREADS; i++)
+    g_assert_cmpint (GPOINTER_TO_UINT (g_thread_join (threads[i])), ==, i * 3);
+
+  g_assert_cmpint (test_g_static_private_counter, ==, 0);
+}
+
+/* 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;
+static 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_cmpint (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_cmpint (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 (void)
+{
+  GThread *threads[THREADS];
+  guint i;
+  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_cmpint (test_g_static_rw_lock_state, ==, 0);
+}
+
+#define G_ONCE_SIZE 100
+#define G_ONCE_THREADS 10
+
+G_LOCK_DEFINE (test_g_once);
+static guint test_g_once_guint_array[G_ONCE_SIZE];
+static GOnce test_g_once_array[G_ONCE_SIZE];
+
+static gpointer
+test_g_once_init_func(gpointer arg)
+{
+  guint *count = arg;
+  g_usleep (g_random_int_range (20,1000));
+  (*count)++;
+  g_usleep (g_random_int_range (20,1000));
+  return arg;
+}
+
+static gpointer
+test_g_once_thread (gpointer ignore)
+{
+  guint i;
+  G_LOCK (test_g_once);
+  /* Don't start before all threads are created */
+  G_UNLOCK (test_g_once);
+  for (i = 0; i < 1000; i++)
+    {
+      guint pos = g_random_int_range (0, G_ONCE_SIZE);
+      gpointer ret = g_once (test_g_once_array + pos,
+                             test_g_once_init_func,
+                             test_g_once_guint_array + pos);
+      g_assert_cmpmem (ret, sizeof (int),
+                       test_g_once_guint_array + pos, sizeof (int));
+    }
+
+  /* Make sure, that all counters are touched at least once */
+  for (i = 0; i < G_ONCE_SIZE; i++)
+    {
+      gpointer ret = g_once (test_g_once_array + i,
+                             test_g_once_init_func,
+                             test_g_once_guint_array + i);
+      g_assert_cmpmem (ret, sizeof (int),
+                       test_g_once_guint_array + i, sizeof (int));
+    }
+
+  return NULL;
+}
+
+static void
+test_g_thread_once (void)
+{
+  static GOnce once_init = G_ONCE_INIT;
+  GThread *threads[G_ONCE_THREADS];
+  guint i;
+  for (i = 0; i < G_ONCE_SIZE; i++)
+    {
+      test_g_once_array[i] = once_init;
+      test_g_once_guint_array[i] = i;
+    }
+  G_LOCK (test_g_once);
+  for (i = 0; i < G_ONCE_THREADS; i++)
+    {
+      threads[i] = g_thread_create (test_g_once_thread, GUINT_TO_POINTER (i % 2),
+                                    TRUE, NULL);
+    }
+  G_UNLOCK (test_g_once);
+  for (i = 0; i < G_ONCE_THREADS; i++)
+    {
+      g_thread_join (threads[i]);
+    }
+
+  for (i = 0; i < G_ONCE_SIZE; i++)
+    {
+      g_assert_cmpint (test_g_once_guint_array[i], ==, i + 1);
+    }
+}
+
+/* rerun all the tests */
+static void
+test_rerun_all (void)
+{
+  /* 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;
+
+  test_g_mutex ();
+  test_g_static_rec_mutex ();
+  test_g_static_private ();
+  test_g_static_rw_lock ();
+  test_g_thread_once ();
+
+  /* XXX: And this shows how silly the above non-native tests are */
+  g_static_rw_lock_free (&test_g_static_rw_lock_lock);
+  g_static_rec_mutex_free (&test_g_static_rec_mutex_mutex);
+  g_static_private_free (&test_g_static_private_private2);
+}
+
+int
+main (int argc,
+      char *argv[])
+{
+  g_test_init (&argc, &argv, NULL);
+
+  g_test_add_func ("/thread/mutex", test_g_mutex);
+  g_test_add_func ("/thread/static-rec-mutex", test_g_static_rec_mutex);
+  g_test_add_func ("/thread/static-private", test_g_static_private);
+  g_test_add_func ("/thread/static-rw-lock", test_g_static_rw_lock);
+  g_test_add_func ("/thread/once", test_g_thread_once);
+  g_test_add_func ("/thread/rerun-all", test_rerun_all);
+
+  return g_test_run ();
+}