From: Otto <otto.moerbeek@open-xchange.com>
Date: Mon, 25 Jan 2021 15:11:21 +0000 (+0100)
Subject: Basic test for negcache.
X-Git-Tag: dnsdist-1.6.0-alpha1~9^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=82b0db0db703dfc8a61fae2a2fe2a5d89f6d9801;p=thirdparty%2Fpdns.git

Basic test for negcache.

This one seems to be safe from code inspection. All timestamps are time_t.
---

diff --git a/pdns/recursordist/test-negcache_cc.cc b/pdns/recursordist/test-negcache_cc.cc
index 8c3b38b625..5ea1ad79ba 100644
--- a/pdns/recursordist/test-negcache_cc.cc
+++ b/pdns/recursordist/test-negcache_cc.cc
@@ -69,6 +69,30 @@ BOOST_AUTO_TEST_CASE(test_get_entry)
   BOOST_CHECK_EQUAL(ne.d_auth, auth);
 }
 
+BOOST_AUTO_TEST_CASE(test_get_entry2038)
+{
+  /* Add a full name negative entry to the cache and attempt to get an entry for
+   * the A record. Should yield the full name does not exist entry
+   */
+  DNSName qname("www2.powerdns.com");
+  DNSName auth("powerdns.com");
+
+  struct timeval now{INT_MAX - 300, 0};
+
+  NegCache cache;
+  cache.add(genNegCacheEntry(qname, auth, now));
+
+  BOOST_CHECK_EQUAL(cache.size(), 1U);
+
+  NegCache::NegCacheEntry ne;
+  bool ret = cache.get(qname, QType(1), now, ne);
+
+  BOOST_CHECK(ret);
+  BOOST_CHECK_EQUAL(ne.d_name, qname);
+  BOOST_CHECK_EQUAL(ne.d_qtype.getName(), QType(0).getName());
+  BOOST_CHECK_EQUAL(ne.d_auth, auth);
+}
+
 BOOST_AUTO_TEST_CASE(test_get_entry_exact_type)
 {
   /* Add a full name negative entry to the cache and attempt to get an entry for