X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=glib%2Ftests%2Fmainloop.c;h=8abd262f1ec300de84929a73d5e11da34e119447;hb=9f5afe3966d31ef6f1e880d950206a0325e6c777;hp=530a53c27cd6c697bd5e74394759f778c8b71c8c;hpb=e1517ca82da834dccf8a862bd84cdd17e36e1124;p=platform%2Fupstream%2Fglib.git

diff --git a/glib/tests/mainloop.c b/glib/tests/mainloop.c
index 530a53c..8abd262 100644
--- a/glib/tests/mainloop.c
+++ b/glib/tests/mainloop.c
@@ -118,6 +118,7 @@ test_maincontext_basic (void)
   id = g_source_attach (source, ctx);
   g_source_unref (source);
   g_assert (g_source_remove_by_user_data (data));
+  g_assert (!g_source_remove_by_user_data ((gpointer)0x1234));
 
   g_idle_add (cb, data);
   g_assert (g_idle_remove_by_data (data));
@@ -193,12 +194,16 @@ test_timeouts (void)
 
   g_main_loop_run (loop);
 
-  /* this is a race condition; under some circumstances we might not get 10
-   * 100ms runs in 1050 ms, so consider 9 as "close enough" */
-  g_assert_cmpint (a, >=, 9);
+  /* We may be delayed for an arbitrary amount of time - for example,
+   * it's possible for all timeouts to fire exactly once.
+   */
+  g_assert_cmpint (a, >, 0);
+  g_assert_cmpint (a, >=, b);
+  g_assert_cmpint (b, >=, c);
+
   g_assert_cmpint (a, <=, 10);
-  g_assert_cmpint (b, ==, 4);
-  g_assert_cmpint (c, ==, 3);
+  g_assert_cmpint (b, <=, 4);
+  g_assert_cmpint (c, <=, 3);
 
   g_main_loop_unref (loop);
   g_main_context_unref (ctx);
@@ -348,6 +353,75 @@ test_invoke (void)
   g_main_context_unref (ctx);
 }
 
+/* We can't use timeout sources here because on slow or heavily-loaded
+ * machines, the test program might not get enough cycles to hit the
+ * timeouts at the expected times. So instead we define a source that
+ * is based on the number of GMainContext iterations.
+ */
+
+static gint counter;
+static gint64 last_counter_update;
+
+typedef struct {
+  GSource source;
+  gint    interval;
+  gint    timeout;
+} CounterSource;
+
+static gboolean
+counter_source_prepare (GSource *source,
+                        gint    *timeout)
+{
+  CounterSource *csource = (CounterSource *)source;
+  gint64 now;
+
+  now = g_source_get_time (source);
+  if (now != last_counter_update)
+    {
+      last_counter_update = now;
+      counter++;
+    }
+
+  *timeout = 1;
+  return counter >= csource->timeout;
+}
+
+static gboolean
+counter_source_dispatch (GSource    *source,
+                         GSourceFunc callback,
+                         gpointer    user_data)
+{
+  CounterSource *csource = (CounterSource *) source;
+  gboolean again;
+
+  again = callback (user_data);
+
+  if (again)
+    csource->timeout = counter + csource->interval;
+
+  return again;
+}
+
+static GSourceFuncs counter_source_funcs = {
+  counter_source_prepare,
+  NULL,
+  counter_source_dispatch,
+  NULL,
+};
+
+static GSource *
+counter_source_new (gint interval)
+{
+  GSource *source = g_source_new (&counter_source_funcs, sizeof (CounterSource));
+  CounterSource *csource = (CounterSource *) source;
+
+  csource->interval = interval;
+  csource->timeout = counter + interval;
+
+  return source;
+}
+
+
 static gboolean
 run_inner_loop (gpointer user_data)
 {
@@ -358,7 +432,7 @@ run_inner_loop (gpointer user_data)
   a++;
 
   inner = g_main_loop_new (ctx, FALSE);
-  timeout = g_timeout_source_new (100);
+  timeout = counter_source_new (100);
   g_source_set_callback (timeout, quit_loop, inner, NULL);
   g_source_attach (timeout, ctx);
   g_source_unref (timeout);
@@ -381,16 +455,16 @@ test_child_sources (void)
 
   a = b = c = 0;
 
-  parent = g_timeout_source_new (2000);
+  parent = counter_source_new (2000);
   g_source_set_callback (parent, run_inner_loop, ctx, NULL);
   g_source_set_priority (parent, G_PRIORITY_LOW);
   g_source_attach (parent, ctx);
 
-  child_b = g_timeout_source_new (250);
+  child_b = counter_source_new (250);
   g_source_set_callback (child_b, count_calls, &b, NULL);
   g_source_add_child_source (parent, child_b);
 
-  child_c = g_timeout_source_new (330);
+  child_c = counter_source_new (330);
   g_source_set_callback (child_c, count_calls, &c, NULL);
   g_source_set_priority (child_c, G_PRIORITY_HIGH);
   g_source_add_child_source (parent, child_c);
@@ -404,7 +478,7 @@ test_child_sources (void)
   g_assert_cmpint (g_source_get_priority (child_b), ==, G_PRIORITY_DEFAULT);
   g_assert_cmpint (g_source_get_priority (child_c), ==, G_PRIORITY_DEFAULT);
 
-  end = g_timeout_source_new (1050);
+  end = counter_source_new (1050);
   g_source_set_callback (end, quit_loop, loop, NULL);
   g_source_attach (end, ctx);
   g_source_unref (end);
@@ -459,20 +533,20 @@ test_recursive_child_sources (void)
 
   a = b = c = 0;
 
-  parent = g_timeout_source_new (500);
+  parent = counter_source_new (500);
   g_source_set_callback (parent, count_calls, &a, NULL);
 
-  child_b = g_timeout_source_new (220);
+  child_b = counter_source_new (220);
   g_source_set_callback (child_b, count_calls, &b, NULL);
   g_source_add_child_source (parent, child_b);
 
-  child_c = g_timeout_source_new (430);
+  child_c = counter_source_new (430);
   g_source_set_callback (child_c, count_calls, &c, NULL);
   g_source_add_child_source (child_b, child_c);
 
   g_source_attach (parent, ctx);
 
-  end = g_timeout_source_new (2010);
+  end = counter_source_new (2010);
   g_source_set_callback (end, (GSourceFunc)g_main_loop_quit, loop, NULL);
   g_source_attach (end, ctx);
   g_source_unref (end);
@@ -480,15 +554,15 @@ test_recursive_child_sources (void)
   g_main_loop_run (loop);
 
   /* Sequence of events:
-   * 220 b (b = 440, a = 720)
-   * 430 c (c = 860, b = 650, a = 930)
-   * 650 b (b = 870, a = 1150)
-   * 860 c (c = 1290, b = 1080, a = 1360)
-   * 1080 b (b = 1300, a = 1580)
-   * 1290 c (c = 1720, b = 1510, a = 1790)
-   * 1510 b (b = 1730, a = 2010)
-   * 1720 c (c = 2150, b = 1940, a = 2220)
-   * 1940 b (b = 2160, a = 2440)
+   *  220 b (b -> 440, a -> 720)
+   *  430 c (c -> 860, b -> 650, a -> 930)
+   *  650 b (b -> 870, a -> 1150)
+   *  860 c (c -> 1290, b -> 1080, a -> 1360)
+   * 1080 b (b -> 1300, a -> 1580)
+   * 1290 c (c -> 1720, b -> 1510, a -> 1790)
+   * 1510 b (b -> 1730, a -> 2010)
+   * 1720 c (c -> 2150, b -> 1940, a -> 2220)
+   * 1940 b (b -> 2160, a -> 2440)
    */
 
   g_assert_cmpint (a, ==, 9);
@@ -548,12 +622,12 @@ test_swapping_child_sources (void)
   ctx = g_main_context_new ();
   loop = g_main_loop_new (ctx, FALSE);
 
-  data.parent = g_timeout_source_new (50);
+  data.parent = counter_source_new (50);
   data.loop = loop;
   g_source_set_callback (data.parent, swap_sources, &data, NULL);
   g_source_attach (data.parent, ctx);
 
-  data.old_child = g_timeout_source_new (100);
+  data.old_child = counter_source_new (100);
   g_source_add_child_source (data.parent, data.old_child);
   g_source_set_callback (data.old_child, assert_not_reached_callback, NULL, NULL);
 
@@ -568,12 +642,59 @@ test_swapping_child_sources (void)
   g_main_context_unref (ctx);
 }
 
+static gboolean
+add_source_callback (gpointer user_data)
+{
+  GMainLoop *loop = user_data;
+  GSource *self = g_main_current_source (), *child;
+  GIOChannel *io;
+
+  /* It doesn't matter whether this is a valid fd or not; it never
+   * actually gets polled; the test is just checking that
+   * g_source_add_child_source() doesn't crash.
+   */
+  io = g_io_channel_unix_new (0);
+  child = g_io_create_watch (io, G_IO_IN);
+  g_source_add_child_source (self, child);
+  g_source_unref (child);
+  g_io_channel_unref (io);
+
+  g_main_loop_quit (loop);
+  return FALSE;
+}
+
+static void
+test_blocked_child_sources (void)
+{
+  GMainContext *ctx;
+  GMainLoop *loop;
+  GSource *source;
+
+  g_test_bug ("701283");
+
+  ctx = g_main_context_new ();
+  loop = g_main_loop_new (ctx, FALSE);
+
+  source = g_idle_source_new ();
+  g_source_set_callback (source, add_source_callback, loop, NULL);
+  g_source_attach (source, ctx);
+
+  g_main_loop_run (loop);
+
+  g_source_destroy (source);
+  g_source_unref (source);
+
+  g_main_loop_unref (loop);
+  g_main_context_unref (ctx);
+}
+
 typedef struct {
   GMainContext *ctx;
   GMainLoop *loop;
 
   GSource *timeout1, *timeout2;
   gint64 time1;
+  GTimeVal tv;
 } TimeTestData;
 
 static gboolean
@@ -594,6 +715,10 @@ timeout1_callback (gpointer user_data)
       mtime1 = g_get_monotonic_time ();
       data->time1 = g_source_get_time (source);
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+      g_source_get_current_time (source, &data->tv);
+G_GNUC_END_IGNORE_DEPRECATIONS
+
       /* g_source_get_time() does not change during a single callback */
       g_usleep (1000000);
       mtime2 = g_get_monotonic_time ();
@@ -604,6 +729,8 @@ timeout1_callback (gpointer user_data)
     }
   else
     {
+      GTimeVal tv;
+
       /* Second iteration */
       g_assert (g_source_is_destroyed (data->timeout2));
 
@@ -614,6 +741,14 @@ timeout1_callback (gpointer user_data)
       time2 = g_source_get_time (source);
       g_assert_cmpint (data->time1, <, time2);
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+      g_source_get_current_time (source, &tv);
+G_GNUC_END_IGNORE_DEPRECATIONS
+
+      g_assert (tv.tv_sec > data->tv.tv_sec ||
+                (tv.tv_sec == data->tv.tv_sec &&
+                 tv.tv_usec > data->tv.tv_usec));
+
       g_main_loop_quit (data->loop);
     }
 
@@ -721,7 +856,6 @@ add_idle_source (GMainContext *ctx,
   return source;
 }
 
-/* https://bugzilla.gnome.org/show_bug.cgi?id=687098 */
 static void
 test_mainloop_overflow (void)
 {
@@ -731,6 +865,8 @@ test_mainloop_overflow (void)
   TestOverflowData data;
   guint i;
 
+  g_test_bug ("687098");
+
   memset (&data, 0, sizeof (data));
 
   ctx = GLIB_PRIVATE_CALL (g_main_context_new_with_next_id) (G_MAXUINT-1);
@@ -878,6 +1014,83 @@ test_ready_time (void)
   g_source_destroy (source);
 }
 
+static void
+test_wakeup(void)
+{
+  GMainContext *ctx;
+  int i;
+
+  ctx = g_main_context_new ();
+
+  /* run a random large enough number of times because 
+   * main contexts tend to wake up a few times after creation.
+   */
+  for (i = 0; i < 100; i++)
+    {
+      /* This is the invariant we care about:
+       * g_main_context_wakeup(ctx,) ensures that the next call to
+       * g_main_context_iteration (ctx, TRUE) returns and doesn't
+       * block.
+       * This is important in threaded apps where we might not know
+       * if the thread calls g_main_context_wakeup() before or after
+       * we enter g_main_context_iteration().
+       */
+      g_main_context_wakeup (ctx);
+      g_main_context_iteration (ctx, TRUE);
+    }
+
+  g_main_context_unref (ctx);
+}
+
+static void
+test_remove_invalid (void)
+{
+  g_test_expect_message ("GLib", G_LOG_LEVEL_CRITICAL, "Source ID 3000000000 was not found*");
+  g_source_remove (3000000000u);
+  g_test_assert_expected_messages ();
+}
+
+static gboolean
+trivial_prepare (GSource *source,
+                 gint    *timeout)
+{
+  *timeout = 0;
+  return TRUE;
+}
+
+static gint n_finalized;
+
+static void
+trivial_finalize (GSource *source)
+{
+  n_finalized++;
+}
+
+static void
+test_unref_while_pending (void)
+{
+  static GSourceFuncs funcs = { trivial_prepare, NULL, NULL, trivial_finalize };
+  GMainContext *context;
+  GSource *source;
+
+  context = g_main_context_new ();
+
+  source = g_source_new (&funcs, sizeof (GSource));
+  g_source_attach (source, context);
+  g_source_unref (source);
+
+  /* Do incomplete main iteration -- get a pending source but don't dispatch it. */
+  g_main_context_prepare (context, NULL);
+  g_main_context_query (context, 0, NULL, NULL, 0);
+  g_main_context_check (context, 1000, NULL, 0);
+
+  /* Destroy the context */
+  g_main_context_unref (context);
+
+  /* Make sure we didn't leak the source */
+  g_assert_cmpint (n_finalized, ==, 1);
+}
+
 #ifdef G_OS_UNIX
 
 #include <glib-unix.h>
@@ -1000,6 +1213,7 @@ assert_main_context_state (gint n_to_poll,
   GMainContext *context;
   gboolean consumed[10] = { };
   GPollFD poll_fds[10];
+  gboolean acquired;
   gboolean immediate;
   gint max_priority;
   gint timeout;
@@ -1009,6 +1223,9 @@ assert_main_context_state (gint n_to_poll,
 
   context = g_main_context_default ();
 
+  acquired = g_main_context_acquire (context);
+  g_assert (acquired);
+
   immediate = g_main_context_prepare (context, &max_priority);
   g_assert (!immediate);
   n = g_main_context_query (context, max_priority, &timeout, poll_fds, 10);
@@ -1041,6 +1258,8 @@ assert_main_context_state (gint n_to_poll,
 
   if (g_main_context_check (context, max_priority, poll_fds, n))
     g_main_context_dispatch (context);
+
+  g_main_context_release (context);
 }
 
 static gboolean
@@ -1117,7 +1336,9 @@ test_unix_fd_source (void)
   g_assert (in && out);
 
   g_source_destroy (out_source);
+  g_source_unref (out_source);
   g_source_destroy (in_source);
+  g_source_unref (in_source);
   close (fds[1]);
   close (fds[0]);
 }
@@ -1247,12 +1468,107 @@ test_source_unix_fd_api (void)
   close (fds_b[1]);
 }
 
+static gboolean
+unixfd_quit_loop (gint         fd,
+                  GIOCondition condition,
+                  gpointer     user_data)
+{
+  GMainLoop *loop = user_data;
+
+  g_main_loop_quit (loop);
+
+  return FALSE;
+}
+
+static void
+test_unix_file_poll (void)
+{
+  gint fd;
+  GSource *source;
+  GMainLoop *loop;
+
+  fd = open ("/dev/null", O_RDONLY);
+  g_assert (fd >= 0);
+
+  loop = g_main_loop_new (NULL, FALSE);
+
+  source = g_unix_fd_source_new (fd, G_IO_IN);
+  g_source_set_callback (source, (GSourceFunc) unixfd_quit_loop, loop, NULL);
+  g_source_attach (source, NULL);
+
+  /* Should not block */
+  g_main_loop_run (loop);
+
+  g_source_destroy (source);
+
+  assert_main_context_state (0);
+
+  g_source_unref (source);
+
+  g_main_loop_unref (loop);
+
+  close (fd);
+}
+
 #endif
 
+static gboolean
+timeout_cb (gpointer data)
+{
+  GMainLoop *loop = data;
+  GMainContext *context;
+
+  context = g_main_loop_get_context (loop);
+  g_assert (g_main_loop_is_running (loop));
+  g_assert (g_main_context_is_owner (context));
+
+  g_main_loop_quit (loop);
+
+  return G_SOURCE_REMOVE;
+}
+
+static gpointer
+threadf (gpointer data)
+{
+  GMainContext *context = data;
+  GMainLoop *loop;
+  GSource *source;
+
+  loop = g_main_loop_new (context, FALSE);
+  source = g_timeout_source_new (250);
+  g_source_set_callback (source, timeout_cb, loop, NULL);
+  g_source_attach (source, context);
+  g_source_unref (source);
+ 
+  g_main_loop_run (loop);
+
+  g_main_loop_unref (loop);
+
+  return NULL;
+}
+
+static void
+test_mainloop_wait (void)
+{
+  GMainContext *context;
+  GThread *t1, *t2;
+
+  context = g_main_context_new ();
+
+  t1 = g_thread_new ("t1", threadf, context);
+  t2 = g_thread_new ("t2", threadf, context);
+
+  g_thread_join (t1);
+  g_thread_join (t2);
+
+  g_main_context_unref (context);
+}
+
 int
 main (int argc, char *argv[])
 {
   g_test_init (&argc, &argv, NULL);
+  g_test_bug_base ("http://bugzilla.gnome.org/");
 
   g_test_add_func ("/maincontext/basic", test_maincontext_basic);
   g_test_add_func ("/mainloop/basic", test_mainloop_basic);
@@ -1262,13 +1578,19 @@ main (int argc, char *argv[])
   g_test_add_func ("/mainloop/child_sources", test_child_sources);
   g_test_add_func ("/mainloop/recursive_child_sources", test_recursive_child_sources);
   g_test_add_func ("/mainloop/swapping_child_sources", test_swapping_child_sources);
+  g_test_add_func ("/mainloop/blocked_child_sources", test_blocked_child_sources);
   g_test_add_func ("/mainloop/source_time", test_source_time);
   g_test_add_func ("/mainloop/overflow", test_mainloop_overflow);
   g_test_add_func ("/mainloop/ready-time", test_ready_time);
+  g_test_add_func ("/mainloop/wakeup", test_wakeup);
+  g_test_add_func ("/mainloop/remove-invalid", test_remove_invalid);
+  g_test_add_func ("/mainloop/unref-while-pending", test_unref_while_pending);
 #ifdef G_OS_UNIX
   g_test_add_func ("/mainloop/unix-fd", test_unix_fd);
   g_test_add_func ("/mainloop/unix-fd-source", test_unix_fd_source);
   g_test_add_func ("/mainloop/source-unix-fd-api", test_source_unix_fd_api);
+  g_test_add_func ("/mainloop/wait", test_mainloop_wait);
+  g_test_add_func ("/mainloop/unix-file-poll", test_unix_file_poll);
 #endif
 
   return g_test_run ();