#include <glib.h>

#ifdef G_OS_UNIX

#include <unistd.h>

#endif

static GMainLoop *loop;

static gboolean

stop_waiting (gpointer data)

{

  g_main_loop_quit (loop);

  return G_SOURCE_REMOVE;

}

static gboolean

function (gpointer data)

{

  g_assert_not_reached ();

  return G_SOURCE_REMOVE;

}

static void

test_seconds (void)

{

  guint id;

  /* Bug 642052 mentions that g_timeout_add_seconds(21475) schedules a

   * job that runs once per second.

   *

   * Test that that isn't true anymore by scheduling two jobs:

   *   - one, as above

   *   - another that runs in 2100ms

   *

   * If everything is working properly, the 2100ms one should run first

   * (and exit the mainloop).  If we ever see the 21475 second job run

   * then we have trouble (since it ran in less than 2 seconds).

   *

   * We need a timeout of at least 2 seconds because

   * g_timeout_add_second can add as much as an additional second of

   * latency.

   */

  loop = g_main_loop_new (NULL, FALSE);

  g_timeout_add (2100, stop_waiting, NULL);

  id = g_timeout_add_seconds (21475, function, NULL);

  g_main_loop_run (loop);

  g_main_loop_unref (loop);

  g_source_remove (id);

}

static gint64 last_time;

static gint count;

static gboolean

test_func (gpointer data)

{

  gint64 current_time;

  current_time = g_get_monotonic_time ();

  /* We accept 2 on the first iteration because _add_seconds() can

   * have an initial latency of 1 second, see its documentation.

   */

  if (count == 0)

    g_assert (current_time / 1000000 - last_time / 1000000 <= 2);

  else

    g_assert (current_time / 1000000 - last_time / 1000000 == 1);

  last_time = current_time;

  count++;

  /* Make the timeout take up to 0.1 seconds.

   * We should still get scheduled for the next second.

   */

  g_usleep (count * 10000);

  if (count < 10)

    return TRUE;

  g_main_loop_quit (loop);

  return FALSE;

}

static void

test_rounding (void)

{

  loop = g_main_loop_new (NULL, FALSE);

  last_time = g_get_monotonic_time ();

  g_timeout_add_seconds (1, test_func, NULL);

  g_main_loop_run (loop);

  g_main_loop_unref (loop);

}

int

main (int argc, char *argv[])

{

  g_test_init (&argc, &argv, NULL);

  g_test_add_func ("/timeout/seconds", test_seconds);

  g_test_add_func ("/timeout/rounding", test_rounding);

  return g_test_run ();

}