const Cc = Components.classes; const Ci = Components.interfaces; const Cu = Components.utils; const Cr = Components.results; 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(); }