[PATCH 08/10] test: regression test for n_q_search_messages

[David Bremner <david@tethera.net>]

Exception handling matches notmuch_query_search_threads, at least for
this case.
---
 test/T564-lib-query.sh | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/test/T564-lib-query.sh b/test/T564-lib-query.sh
index 97729f9a..dda32be7 100755
--- a/test/T564-lib-query.sh
+++ b/test/T564-lib-query.sh
@@ -162,4 +162,27 @@ Query string was: id:1258471718-6781-1-git-send-email-dottedmag@dottedmag.net
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
+test_begin_subtest "search messages on closed db"
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+    {
+        notmuch_query_t *query;
+        const char *str = "id:1258471718-6781-1-git-send-email-dottedmag@dottedmag.net";
+        notmuch_messages_t *messages;
+
+        query = notmuch_query_create (db, str);
+        EXPECT0(notmuch_database_close (db));
+        stat = notmuch_query_search_messages (query, &messages);
+
+        printf("%d\n", stat == NOTMUCH_STATUS_XAPIAN_EXCEPTION);
+    }
+EOF
+cat <<EOF > EXPECTED
+== stdout ==
+1
+== stderr ==
+A Xapian exception occurred performing query: Database has been closed
+Query string was: id:1258471718-6781-1-git-send-email-dottedmag@dottedmag.net
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
 test_done
-- 
2.27.0