diff -r 000000000000 -r 6474c204b198 netwerk/test/TestDNS.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/TestDNS.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,128 @@
+/* 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/. */
+
+#include "TestCommon.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "nsIServiceManager.h"
+#include "nsPIDNSService.h"
+#include "nsIDNSListener.h"
+#include "nsIDNSRecord.h"
+#include "nsICancelable.h"
+#include "nsCOMPtr.h"
+#include "nsStringAPI.h"
+#include "nsNetCID.h"
+#include "prinrval.h"
+#include "prthread.h"
+#include "prnetdb.h"
+#include "nsXPCOM.h"
+#include "nsServiceManagerUtils.h"
+
+class myDNSListener : public nsIDNSListener
+{
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    myDNSListener(const char *host, int32_t index)
+        : mHost(host)
+        , mIndex(index) {}
+    virtual ~myDNSListener() {}
+
+    NS_IMETHOD OnLookupComplete(nsICancelable *request,
+                                nsIDNSRecord  *rec,
+                                nsresult       status)
+    {
+        printf("%d: OnLookupComplete called [host=%s status=%x rec=%p]\n",
+            mIndex, mHost.get(), static_cast<uint32_t>(status), (void*)rec);
+
+        if (NS_SUCCEEDED(status)) {
+            nsAutoCString buf;
+
+            rec->GetCanonicalName(buf);
+            printf("%d: canonname=%s\n", mIndex, buf.get());
+
+            bool hasMore;
+            while (NS_SUCCEEDED(rec->HasMore(&hasMore)) && hasMore) {
+                rec->GetNextAddrAsString(buf);
+                printf("%d: => %s\n", mIndex, buf.get());
+            }
+        }
+
+        return NS_OK;
+    }
+
+private:
+    nsCString mHost;
+    int32_t   mIndex;
+};
+
+NS_IMPL_ISUPPORTS(myDNSListener, nsIDNSListener)
+
+static bool IsAscii(const char *s)
+{
+  for (; *s; ++s) {
+    if (*s & 0x80)
+      return false;
+  }
+
+  return true;
+}
+
+int main(int argc, char **argv)
+{
+    if (test_common_init(&argc, &argv) != 0)
+        return -1;
+
+    int sleepLen = 10; // default: 10 seconds
+
+    if (argc == 1) {
+        printf("usage: TestDNS [-N] hostname1 [hostname2 ...]\n");
+        return -1;
+    }
+
+    {
+        nsCOMPtr<nsIServiceManager> servMan;
+        NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr);
+
+        nsCOMPtr<nsPIDNSService> dns = do_GetService(NS_DNSSERVICE_CONTRACTID);
+        if (!dns)
+            return -1;
+
+        if (argv[1][0] == '-') {
+            sleepLen = atoi(argv[1]+1);
+            argv++;
+            argc--;
+        }
+
+        for (int j=0; j<2; ++j) {
+            for (int i=1; i<argc; ++i) {
+                // assume non-ASCII input is given in the native charset 
+                nsAutoCString hostBuf;
+                if (IsAscii(argv[i]))
+                    hostBuf.Assign(argv[i]);
+                else
+                    hostBuf = NS_ConvertUTF16toUTF8(NS_ConvertASCIItoUTF16(argv[i]));
+
+                nsCOMPtr<nsIDNSListener> listener = new myDNSListener(argv[i], i);
+
+                nsCOMPtr<nsICancelable> req;
+                nsresult rv = dns->AsyncResolve(hostBuf,
+                                                nsIDNSService::RESOLVE_CANONICAL_NAME,
+                                                listener, nullptr, getter_AddRefs(req));
+                if (NS_FAILED(rv))
+                    printf("### AsyncResolve failed [rv=%x]\n",
+                           static_cast<uint32_t>(rv));
+            }
+
+            printf("main thread sleeping for %d seconds...\n", sleepLen);
+            PR_Sleep(PR_SecondsToInterval(sleepLen));
+        }
+
+        printf("shutting down main thread...\n");
+        dns->Shutdown();
+    }
+
+    NS_ShutdownXPCOM(nullptr);
+    return 0;
+}