1 files changed, 56 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_trr_decoding.js b/netwerk/test/unit/test_trr_decoding.js
new file mode 100644
index 0000000000..7f7c2639aa
--- /dev/null
+++ b/netwerk/test/unit/test_trr_decoding.js
@@ -0,0 +1,56 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+trr_test_setup();
+registerCleanupFunction(async () => {
+  trr_clear_prefs();
+});
+
+let trrServer = null;
+add_setup(async function start_trr_server() {
+  trrServer = new TRRServer();
+  registerCleanupFunction(async () => {
+    await trrServer.stop();
+  });
+  await trrServer.start();
+  dump(`port = ${trrServer.port}\n`);
+
+  Services.prefs.setCharPref(
+    "network.trr.uri",
+    `https://foo.example.com:${trrServer.port}/dns-query`
+  );
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRONLY);
+});
+
+add_task(async function ignoreUnknownTypes() {
+  Services.dns.clearCache(true);
+  await trrServer.registerDoHAnswers("abc.def.ced.com", "A", {
+    answers: [
+      {
+        name: "abc.def.ced.com",
+        ttl: 55,
+        type: "DNAME",
+        flush: false,
+        data: "def.ced.com.test",
+      },
+      {
+        name: "abc.def.ced.com",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "abc.def.ced.com.test",
+      },
+      {
+        name: "abc.def.ced.com.test",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "3.3.3.3",
+      },
+    ],
+  });
+  await new TRRDNSListener("abc.def.ced.com", { expectedAnswer: "3.3.3.3" });
+});