test: add broken test for n_m_remove_all_tags

The Xapian exception is actually caught here, but the NULL return is
not dealt with properly.

diff --git a/test/T560-lib-error.sh b/test/T560-lib-error.sh
index 2aee132b5d4b940278029abb51aad642ebe55a40..52057c2515febb549062ead9a051d9d36dacc19d 100755 (executable)
--- a/test/T560-lib-error.sh
+++ b/test/T560-lib-error.sh
@@ -582,4 +582,21 @@ cat <<EOF > EXPECTED
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
+test_begin_subtest "Handle removing all tags with closed db"
+test_subtest_known_broken
+cat c_head2 - c_tail <<'EOF' | test_C ${MAIL_DIR}
+    {
+        notmuch_status_t status;
+        status = notmuch_message_remove_all_tags (message);
+        printf("%d\n%d\n", message != NULL,  status == NOTMUCH_STATUS_XAPIAN_EXCEPTION);
+    }
+EOF
+cat <<EOF > EXPECTED
+== stdout ==
+1
+1
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
 test_done