diff --git a/glib/tests/mainloop.c b/glib/tests/mainloop.c index 8c2f2c5a3..c2ca00c56 100644 --- a/glib/tests/mainloop.c +++ b/glib/tests/mainloop.c @@ -409,6 +409,62 @@ test_child_sources (void) g_main_context_unref (ctx); } +static void +test_recursive_child_sources (void) +{ + GMainContext *ctx; + GMainLoop *loop; + GSource *parent, *child_b, *child_c, *end; + + ctx = g_main_context_new (); + loop = g_main_loop_new (ctx, FALSE); + + a = b = c = 0; + + parent = g_timeout_source_new (500); + g_source_set_callback (parent, count_calls, &a, NULL); + + child_b = g_timeout_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); + 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); + g_source_set_callback (end, (GSourceFunc)g_main_loop_quit, loop, NULL); + g_source_attach (end, ctx); + g_source_unref (end); + + 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) + */ + + g_assert_cmpint (a, ==, 9); + g_assert_cmpint (b, ==, 9); + g_assert_cmpint (c, ==, 4); + + g_source_unref (parent); + g_source_unref (child_b); + g_source_unref (child_c); + + g_main_loop_unref (loop); + g_main_context_unref (ctx); +} + int main (int argc, char *argv[]) { @@ -420,6 +476,7 @@ main (int argc, char *argv[]) g_test_add_func ("/mainloop/priorities", test_priorities); g_test_add_func ("/mainloop/invoke", test_invoke); g_test_add_func ("/mainloop/child_sources", test_child_sources); + g_test_add_func ("/mainloop/recursive_child_sources", test_recursive_child_sources); return g_test_run (); }