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tests: Move refcount checks to the end of each test in gdbus-threading

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These checks used to be a precondition on test_threaded_singleton(); but
the earlier tests could leave the refcount of the shared connection in a
bad state, and this wouldn’t be caught until later.

Factor out the check, increase the iteration count to 1000 (so the check
blocks for up to 1s rather than 100ms), and call it in more places.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

https://gitlab.gnome.org/GNOME/glib/issues/1515
This commit is contained in:
Philip Withnall 2018-11-12 13:20:29 +00:00
parent 6b786ac3e9
commit b302ee956e
1 changed files with 28 additions and 14 deletions
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42
gio/tests/gdbus-threading.c
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@ -27,6 +27,29 @@
/* all tests rely on a global connection */
static GDBusConnection *c = NULL;
/* Check that the given @connection has only one ref, waiting to let any pending
* unrefs complete first. This is typically used on the shared connection, to
* ensure it’s in a correct state before beginning the next test. */
static void
assert_connection_has_one_ref (GDBusConnection *connection)
{
guint j;
for (j = 0; j < 1000; j++)
{
guint r = g_atomic_int_get (&G_OBJECT (connection)->ref_count);
if (r == 1)
break;
g_debug ("refcount of %p is %u, sleeping", connection, r);
g_usleep (1000);
}
if (j == 1000)
g_error ("connection %p had too many refs", connection);
}
/* ---------------------------------------------------------------------------------------------------- */
/* Ensure that signal and method replies are delivered in the right thread */
/* ---------------------------------------------------------------------------------------------------- */
@ -229,6 +252,8 @@ test_delivery_in_thread (void)
NULL);
g_thread_join (thread);
assert_connection_has_one_ref (c);
}
/* ---------------------------------------------------------------------------------------------------- */
@ -441,6 +466,8 @@ test_method_calls_in_thread (void)
if (g_test_verbose ())
g_printerr ("\n");
assert_connection_has_one_ref (c);
}
#define SLEEP_MIN_USEC 1
@ -505,24 +532,11 @@ test_threaded_singleton (void)
for (i = 0; i < n; i++)
{
GThread *thread;
guint j;
guint unref_delay, get_delay;
GDBusConnection *new_conn;
/* We want to be the last ref, so let it finish setting up */
for (j = 0; j < 100; j++)
{
guint r = (guint) g_atomic_int_get (&G_OBJECT (c)->ref_count);
if (r == 1)
break;
g_debug ("run %u: refcount is %u, sleeping", i, r);
g_usleep (1000);
}
if (j == 100)
g_error ("connection had too many refs");
assert_connection_has_one_ref (c);
if (g_test_verbose () && (i % (n/50)) == 0)
g_printerr ("%u%%\n", ((i * 100) / n));