[libgweather/benzea/wip-variant-backend: 3/4] Add assertions that the world has been fully reset

[Benjamin Berg <bberg src gnome org>]

commit c1c67796ebf8cb5ce414a6c8a3f250193e4ec27d
Author: Benjamin Berg <bberg redhat com>
Date:   Sun Apr 26 19:27:56 2020 +0200

    Add assertions that the world has been fully reset

 libgweather/gweather-location.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
---
diff --git a/libgweather/gweather-location.c b/libgweather/gweather-location.c
index f677426..1c3d4c3 100644
--- a/libgweather/gweather-location.c
+++ b/libgweather/gweather-location.c
@@ -278,11 +278,28 @@ static void _gweather_location_unref_no_check (GWeatherLocation *loc);
 GWEATHER_EXTERN void
 _gweather_location_reset_world (void)
 {
+       gsize i;
        g_return_if_fail (world_db);
 
        /* Clear objects that need to be kept alive for the old API. */
        g_ptr_array_set_size (world_db->locations_keepalive, 0);
        g_ptr_array_set_size (world_db->timezones_keepalive, 0);
+
+       /* At this point, we had a leak if the caches are not completely empty. */
+       for (i = 0; i < world_db->locations->len; i++) {
+               if (G_UNLIKELY (g_ptr_array_index (world_db->locations, i) != NULL)) {
+                       g_warning ("Location with index %li and name %s is still referenced!",
+                                  i, gweather_location_get_name (g_ptr_array_index (world_db->locations, 
i)));
+                       g_assert_not_reached ();
+               }
+       }
+       for (i = 0; i < world_db->timezones->len; i++) {
+               if (G_UNLIKELY (g_ptr_array_index (world_db->timezones, i) != NULL)) {
+                       g_warning ("Timezone with index %li and tzid %s is still referenced!",
+                                  i, gweather_timezone_get_tzid (g_ptr_array_index (world_db->timezones, 
i)));
+                       g_assert_not_reached ();
+               }
+       }
 }
 
 static GWeatherLocation *