+test_begin_subtest "get top level messages with closed database"
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+ {
+ notmuch_messages_t *messages;
+ messages = notmuch_thread_get_toplevel_messages (thread);
+ printf("%d\n%d\n", thread != NULL, messages != NULL);
+ }
+EOF
+cat <<EOF > EXPECTED
+== stdout ==
+1
+1
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "iterate over level messages with closed database"
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+ {
+ notmuch_messages_t *messages;
+ for (messages = notmuch_thread_get_toplevel_messages (thread);
+ notmuch_messages_valid (messages);
+ notmuch_messages_move_to_next (messages)) {
+ notmuch_message_t *message = notmuch_messages_get (messages);
+ const char *mid = notmuch_message_get_message_id (message);
+ printf("%s\n", mid);
+ }
+ }
+EOF
+cat <<EOF > EXPECTED
+== stdout ==
+20091117190054.GU3165@dottiness.seas.harvard.edu
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "iterate over level messages with closed database"
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+ {
+ notmuch_messages_t *messages;
+ for (messages = notmuch_thread_get_toplevel_messages (thread);
+ notmuch_messages_valid (messages);
+ notmuch_messages_move_to_next (messages)) {
+ notmuch_message_t *message = notmuch_messages_get (messages);
+ const char *mid = notmuch_message_get_message_id (message);
+ printf("%s\n", mid);
+ }
+ }
+EOF
+cat <<EOF > EXPECTED
+== stdout ==
+20091117190054.GU3165@dottiness.seas.harvard.edu
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "iterate over replies with closed database"
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+ {
+ notmuch_messages_t *messages = notmuch_thread_get_toplevel_messages (thread);
+ notmuch_message_t *message = notmuch_messages_get (messages);
+ notmuch_messages_t *replies;
+ for (replies = notmuch_message_get_replies (message);
+ notmuch_messages_valid (replies);
+ notmuch_messages_move_to_next (replies)) {
+ notmuch_message_t *message = notmuch_messages_get (replies);
+ const char *mid = notmuch_message_get_message_id (message);
+
+ printf("%s\n", mid);
+ }
+ }
+EOF
+cat <<EOF > EXPECTED
+== stdout ==
+87iqd9rn3l.fsf@vertex.dottedmag
+87ocn0qh6d.fsf@yoom.home.cworth.org
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+