+ ok(bt_ctf_field_string_append(NULL, "yeah"),
+ "bt_ctf_field_string_append correctly handles a NULL string field");
+ ok(bt_ctf_field_string_append(a_string_field, NULL),
+ "bt_ctf_field_string_append correctly handles a NULL string value");
+ ok(!bt_ctf_field_string_append(a_string_field, test_string_2),
+ "bt_ctf_field_string_append succeeds");