evdns: add regress test for flag EVDNS_BASE_DISABLE_WHEN_INACTIVE without ns

diff --git a/test/regress_dns.c b/test/regress_dns.c
index 8df26866962df6e12dbeef5ae1fcf3626259cf8a..7a7e5181d7459a83aa1558de60d2298e1d5b975a 100644 (file)
--- a/test/regress_dns.c
+++ b/test/regress_dns.c
@@ -888,6 +888,48 @@ dns_disable_when_inactive_test(void *arg)
        dns_inflight_test_impl(arg, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
 }
 
+static void
+dns_disable_when_inactive_no_ns_test(void *arg)
+{
+       struct basic_test_data *data = arg;
+       struct event_base *base = data->base, *inactive_base;
+       struct evdns_base *dns = NULL;
+       ev_uint16_t portnum = 0;
+       char buf[64];
+       struct generic_dns_callback_result r;
+
+       inactive_base = event_base_new();
+       tt_assert(inactive_base);
+
+       /** Create dns server with inactive base, to avoid replying to clients */
+       tt_assert(regress_dnsserver(inactive_base, &portnum, search_table));
+       evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+       dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+       tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+       tt_assert(! evdns_base_set_option(dns, "timeout:", "0.1"));
+
+       evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r);
+       n_replies_left = 1;
+       exit_base = base;
+
+       alarm(10);
+       event_base_dispatch(base);
+
+       tt_int_op(n_replies_left, ==, 0);
+
+       tt_int_op(r.result, ==, DNS_ERR_TIMEOUT);
+       tt_int_op(r.count, ==, 0);
+       tt_int_op(r.addrs, ==, NULL);
+
+end:
+       if (dns)
+               evdns_base_free(dns, 0);
+       regress_clean_dnsserver();
+       if (inactive_base)
+               event_base_free(inactive_base);
+}
+
 /* === Test for bufferevent_socket_connect_hostname */
 
 static int total_connected_or_failed = 0;
@@ -1930,6 +1972,8 @@ struct testcase_t dns_testcases[] = {
          TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
        { "disable_when_inactive", dns_disable_when_inactive_test,
          TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+       { "disable_when_inactive_no_ns", dns_disable_when_inactive_no_ns_test,
+         TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
 
        { "getaddrinfo_async", test_getaddrinfo_async,
          TT_FORK|TT_NEED_BASE, &basic_setup, (char*)"" },