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tests: Add a test for a specific invariant

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See the documentation in the test. The invariant is used by
gnome-test-runner.

https://bugzilla.gnome.org/show_bug.cgi?id=701878
This commit is contained in:
Benjamin Otte 2013-06-08 21:59:59 +02:00
parent 8474ad7f6a
commit 8a37af7f0e
1 changed files with 29 additions and 0 deletions
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29
glib/tests/mainloop.c
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@ -878,6 +878,34 @@ 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);
}
#ifdef G_OS_UNIX
#include <glib-unix.h>
@ -1265,6 +1293,7 @@ main (int argc, char *argv[])
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);
#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);