michael@0: function postMsg(message)
michael@0: {
michael@0:   opener.postMessage(message, "http://mochi.test:8888");
michael@0: }
michael@0: 
michael@0: window.addEventListener("message", onMessageReceived, false);
michael@0: 
michael@0: function onMessageReceived(event)
michael@0: {
michael@0:   //alert("slave got event: "+event.data);
michael@0:   if (event.data == "step") {
michael@0:     if (doStep())
michael@0:       postMsg("perf");
michael@0: 
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   postMsg("Invalid message");
michael@0: }
michael@0: 
michael@0: function ok(a, message)
michael@0: {
michael@0:   if (!a)
michael@0:     postMsg("FAILURE: " + message);
michael@0:   else
michael@0:     postMsg(message);
michael@0: }
michael@0: 
michael@0: function is(a, b, message)
michael@0: {
michael@0:   if (a != b)
michael@0:     postMsg("FAILURE: " + message + ", expected "+b+" got "+a);
michael@0:   else
michael@0:     postMsg(message + ", expected "+b+" got "+a);
michael@0: }
michael@0: 
michael@0: function finishTest()
michael@0: {
michael@0:   sessionStorage.clear();
michael@0:   postMsg("done");
michael@0:   return false;
michael@0: }