michael@0: this.EXPORTED_SYMBOLS = ["Test"];
michael@0: 
michael@0: this.Test = {
michael@0:   start: function(ok, is, finish) {
michael@0:     let worker = new ChromeWorker("jsm_url_worker.js");
michael@0:     worker.onmessage = function(event) {
michael@0: 
michael@0:       if (event.data.type == 'finish') {
michael@0:         finish();
michael@0:       } else if (event.data.type == 'status') {
michael@0:         ok(event.data.status, event.data.msg);
michael@0:       } else if (event.data.type == 'url') {
michael@0:         var xhr = Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"]
michael@0:                   .createInstance(Components.interfaces.nsIXMLHttpRequest);
michael@0:         xhr.open('GET', event.data.url, false);
michael@0:         xhr.onreadystatechange = function() {
michael@0:           if (xhr.readyState == 4) {
michael@0:             ok(true, "Blob readable!");
michael@0:           }
michael@0:         }
michael@0:         xhr.send();
michael@0:       }
michael@0:     };
michael@0: 
michael@0:     var self = this;
michael@0:     worker.onerror = function(event) {
michael@0:       is(event.target, worker);
michael@0:       ok(false, "Worker had an error: " + event.data);
michael@0:       self.worker.terminate();
michael@0:       finish();
michael@0:     };
michael@0: 
michael@0:     worker.postMessage(0);
michael@0:   }
michael@0: };