conform/events-touch: Silently bail out if init failed

This removes the need to conditionally run the test.

tests/conform/events-touch.c

@@ -316,7 +316,7 @@ error:
 }
 
 static int
-init_uinput ()
+init_uinput (void)
 {
   struct uinput_user_dev dev;
 
@@ -324,22 +324,35 @@ init_uinput ()
   if (fd < 0 && errno == ENODEV)
     fd = open ("/dev/input/uinput", O_RDWR);
   if (fd < 0)
-    goto error;
+    {
+      if (g_test_verbose ())
+        perror ("open");
+
+      return 0;
+    };
 
   memset (&dev, 0, sizeof (dev));
   setup (&dev, fd);
 
   if (write (fd, &dev, sizeof (dev)) < sizeof (dev))
+    {
+      if (g_test_verbose ())
+        perror ("write");
+
       goto error;
+    }
+
   if (ioctl (fd, UI_DEV_CREATE, NULL) == -1)
+    {
+      if (g_test_verbose ())
+        perror ("ioctl");
+
       goto error;
+    }
 
   return 0;
 
 error:
-  if (g_test_verbose ())
-    g_print ("error: %s\n", strerror (errno));
-
   if (fd != -1)
     close (fd);
 
@@ -355,6 +368,10 @@ events_touch (void)
   ClutterActor *stage;
   State state;
 
+  /* bail out if we could not initialize evdev */
+  if (!init_uinput ())
+    return;
+
   state.pass = TRUE;
   state.gesture_points = 0;
 
@@ -363,8 +380,6 @@ events_touch (void)
   clutter_stage_set_fullscreen (CLUTTER_STAGE (stage), TRUE);
   clutter_actor_show (stage);
 
-  g_assert (init_uinput () == 0);
-
   clutter_threads_add_timeout (500, perform_gesture, &state);
 
   clutter_main ();

tests/conform/test-conform-main.c

@@ -116,13 +116,6 @@ clutter_test_init (gint    *argc,
   shared_state->argv_addr = argv;
 }
 
-static int
-can_write_to_uinput ()
-{
-  return g_access ("/dev/uinput", R_OK | W_OK) ||
-         g_access ("/dev/input/uinput", R_OK | W_OK);
-}
-
 int
 main (int argc, char **argv)
 {
@@ -239,6 +232,8 @@ main (int argc, char **argv)
 
   TEST_CONFORM_SIMPLE ("/behaviours", behaviours_base);
 
+  TEST_CONFORM_SIMPLE ("/events", events_touch);
+
   /* FIXME - see bug https://bugzilla.gnome.org/show_bug.cgi?id=655588 */
   TEST_CONFORM_TODO ("/cally", cally_text);
 
@@ -260,8 +255,6 @@ main (int argc, char **argv)
   TEST_CONFORM_SIMPLE ("/cogl/vertex-buffer", test_cogl_vertex_buffer_interleved);
   TEST_CONFORM_SIMPLE ("/cogl/vertex-buffer", test_cogl_vertex_buffer_mutability);
 
-  TEST_CONFORM_SKIP (can_write_to_uinput (), "/events", events_touch);
-
   /* left to the end because they aren't currently very orthogonal and tend to
    * break subsequent tests! */
   TEST_CONFORM_SIMPLE ("/cogl", test_cogl_viewport);