[geocode-glib/wip/hadess/check-setlocale] tests: Check that setlocale() succeeded

[Bastien Nocera <hadess src gnome org>]

commit e35818d1fde7f2e05c27fd957f8d03495962be79
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Jul 4 10:41:16 2022 +0200

    tests: Check that setlocale() succeeded

 geocode-glib/tests/geocode-glib.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/geocode-glib/tests/geocode-glib.c b/geocode-glib/tests/geocode-glib.c
index ef20716..48cb708 100644
--- a/geocode-glib/tests/geocode-glib.c
+++ b/geocode-glib/tests/geocode-glib.c
@@ -416,7 +416,7 @@ test_pi (void)
        GeocodePlace *place;
 
        old_locale = g_strdup (setlocale(LC_ALL, NULL));
-       setlocale (LC_ALL, "en_GB.UTF-8");
+       g_assert_nonnull (setlocale (LC_ALL, "en_GB.UTF-8"));
 
        /* The query parameters the mock server expects to receive. */
        params = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
@@ -503,7 +503,7 @@ test_search (void)
        got_texas = FALSE;
 
        old_locale = g_strdup (setlocale(LC_MESSAGES, NULL));
-       setlocale (LC_MESSAGES, "en_GB.UTF-8");
+       g_assert_nonnull (setlocale (LC_MESSAGES, "en_GB.UTF-8"));
 
        /* The query parameters the mock server expects to receive. */
        params = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
@@ -698,7 +698,7 @@ test_locale_format (void)
        old_locale = g_strdup (setlocale(LC_ADDRESS, NULL));
 
        /* Set to a locale that has number after street */
-       setlocale (LC_ADDRESS, "sv_SE.utf8");
+       g_assert_nonnull (setlocale (LC_ADDRESS, "sv_SE.utf8"));
 
        /* The query parameters the mock server expects to receive. */
        params = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
@@ -749,7 +749,7 @@ test_locale_name (void)
        add_attr_string (params, "bounded", "0");
 
        /* Check Moscow's name in Czech */
-       setlocale (LC_MESSAGES, "cs_CZ.UTF-8");
+       g_assert_nonnull (setlocale (LC_MESSAGES, "cs_CZ.UTF-8"));
 
        object = create_forward_for_string ("moscow", params,
                                            "locale_name.json");