Merge branch 'wip/pwithnall/ci-fixes' into 'main'

Various unit test fixes

See merge request GNOME/glib!2538

gio/tests/converter-stream.c

@@ -1038,7 +1038,10 @@ test_converter_pollable (void)
 
       /* After closing the write end, we can't get WOULD_BLOCK any more */
       if (!socket_out)
-	g_assert_cmpint (res, !=, -1);
+        {
+          g_assert_no_error (error);
+          g_assert_cmpint (res, !=, -1);
+        }
 
       if (res == -1)
 	{

gio/tests/gdbus-threading.c

@@ -48,8 +48,9 @@ timeout_cb (gpointer user_data)
  * 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,
-                               GMainContext    *context)
+(assert_connection_has_one_ref) (GDBusConnection *connection,
+                                 GMainContext    *context,
+                                 const gchar     *calling_function)
 {
   GSource *timeout_source = NULL;
   TimeoutData data = { context, FALSE };
@@ -63,7 +64,8 @@ assert_connection_has_one_ref (GDBusConnection *connection,
 
   while (g_atomic_int_get (&G_OBJECT (connection)->ref_count) != 1 && !data.timed_out)
     {
-      g_debug ("refcount of %p is not right, sleeping", connection);
+      g_debug ("refcount of %p is not right (%u rather than 1) in %s(), sleeping",
+               connection, g_atomic_int_get (&G_OBJECT (connection)->ref_count), calling_function);
       g_main_context_iteration (NULL, TRUE);
     }
 
@@ -71,9 +73,14 @@ assert_connection_has_one_ref (GDBusConnection *connection,
   g_source_unref (timeout_source);
 
   if (g_atomic_int_get (&G_OBJECT (connection)->ref_count) != 1)
-    g_error ("connection %p had too many refs", connection);
+    g_error ("connection %p had too many refs (%u rather than 1) in %s()",
+             connection, g_atomic_int_get (&G_OBJECT (connection)->ref_count), calling_function);
 }
 
+/* Macro wrapper to add in the calling function name */
+#define assert_connection_has_one_ref(connection, context) \
+  (assert_connection_has_one_ref) (connection, context, G_STRFUNC)
+
 /* ---------------------------------------------------------------------------------------------------- */
 /* Ensure that signal and method replies are delivered in the right thread */
 /* ---------------------------------------------------------------------------------------------------- */

gio/tests/meson.build

@@ -87,11 +87,7 @@ gio_tests = {
   'memory-monitor' : {},
   'memory-output-stream' : {},
   'mount-operation' : {},
-  'network-address' : {
-    'extra_sources': ['mock-resolver.c'],
-    # FIXME: https://gitlab.gnome.org/GNOME/glib/-/issues/1392
-    'should_fail' : host_system == 'darwin',
-  },
+  'network-address' : {'extra_sources': ['mock-resolver.c']},
   'network-monitor' : {},
   'network-monitor-race' : {},
   'permission' : {},

glib/tests/642026.c

@@ -16,10 +16,6 @@
 
 #include <glib.h>
 
-/* On smcv's laptop, 1e4 iterations didn't always exhibit the bug, but 1e5
- * iterations exhibited it 10/10 times in practice. YMMV. */
-#define ITERATIONS 100000
-
 static GStaticPrivate sp;
 static GMutex *mutex;
 static GCond *cond;
@@ -51,6 +47,19 @@ static gpointer thread_func (gpointer nil)
 static void
 testcase (void)
 {
+  /* On smcv's laptop, 1e4 iterations didn't always exhibit the bug, but 1e5
+   * iterations exhibited it 10/10 times in practice. YMMV.
+   *
+   * If running with `-m slow` we want to try hard to reproduce the bug 10/10
+   * times. However, as of 2022 this takes around 240s on a CI machine, which
+   * is a long time to tie up those resources to verify that a bug fixed 10
+   * years ago is still fixed.
+   *
+   * So if running without `-m slow`, try 100× less hard to reproduce the bug,
+   * and rely on the fact that this is run under CI often enough to have a good
+   * chance of reproducing the bug in 1% of CI runs. */
+  const guint n_iterations = g_test_slow () ? 100000 : 1000;
+
   g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=642026");
 
   mutex = g_mutex_new ();
@@ -58,7 +67,7 @@ testcase (void)
 
   g_mutex_lock (mutex);
 
-  for (i = 0; i < ITERATIONS; i++)
+  for (i = 0; i < n_iterations; i++)
     {
       GThread *t1;
 

glib/tests/fileutils.c

@@ -753,7 +753,9 @@ test_mkdir_with_parents (void)
   g_assert_cmpint (g_mkdir_with_parents ("\\Windows\\b\\c", 0), ==, -1);
 #else
   g_assert_cmpint (g_mkdir_with_parents ("/usr/b/c", 0), ==, -1);
-  g_assert_cmpint (errno, ==, EACCES);
+  /* EPERM may be returned if the filesystem as a whole is read-only */
+  if (errno != EPERM)
+    g_assert_cmpint (errno, ==, EACCES);
 #endif
 
   g_assert_cmpint (g_mkdir_with_parents (NULL, 0), ==, -1);