1 files changed, 26 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_dns_service.js b/netwerk/test/unit/test_dns_service.js
new file mode 100644
index 000000000..04c1faeef
--- /dev/null
+++ b/netwerk/test/unit/test_dns_service.js
@@ -0,0 +1,26 @@
+var dns = Cc["@mozilla.org/network/dns-service;1"].getService(Ci.nsIDNSService);
+
+var listener = {
+  onLookupComplete: function(inRequest, inRecord, inStatus) {
+    var answer = inRecord.getNextAddrAsString();
+    do_check_true(answer == "127.0.0.1" || answer == "::1");
+
+    do_test_finished();
+  },
+  QueryInterface: function(aIID) {
+    if (aIID.equals(Ci.nsIDNSListener) ||
+        aIID.equals(Ci.nsISupports)) {
+      return this;
+    }
+    throw Cr.NS_ERROR_NO_INTERFACE;
+  }
+};
+
+function run_test() {
+  var threadManager = Cc["@mozilla.org/thread-manager;1"].getService(Ci.nsIThreadManager);
+  var mainThread = threadManager.currentThread;
+  dns.asyncResolve("localhost", 0, listener, mainThread);
+
+  do_test_pending();
+}
+