[tepl] File unit tests: more tests

[Sébastien Wilmet <swilmet src gnome org>]

commit e1fe0945cfae00b618f5c8c1ed91b3d6ffc9717e
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon May 18 18:39:01 2020 +0200

    File unit tests: more tests

 testsuite/test-file.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/testsuite/test-file.c b/testsuite/test-file.c
index d0efcb1..d320f0c 100644
--- a/testsuite/test-file.c
+++ b/testsuite/test-file.c
@@ -51,6 +51,10 @@ test_untitled_files (void)
        file3 = tepl_file_new ();
        check_short_name_is_untitled_file_number (file3, 1);
 
+       /* Reset location to NULL. */
+       tepl_file_set_location (file1, NULL);
+       check_short_name_is_untitled_file_number (file1, 3);
+
        g_object_unref (file1);
        g_object_unref (file2);
        g_object_unref (file3);