michael@0: // Used to test XHR in the worker.
michael@0: onconnect = function(e) {
michael@0:   let port = e.ports[0];
michael@0:   let req;
michael@0:   try {
michael@0:     req = new XMLHttpRequest();
michael@0:   } catch(e) {
michael@0:     port.postMessage({topic: "done", result: "FAILED to create XHR object, " + e.toString() });
michael@0:   }
michael@0:   if (req === undefined) { // until bug 756173 is fixed...
michael@0:     port.postMessage({topic: "done", result: "FAILED to create XHR object"});
michael@0:     return;
michael@0:   }
michael@0:   // The test that uses this worker MUST use the same origin to load the worker.
michael@0:   // We fetch the test app manifest so we can check the data is what we expect.
michael@0:   let url = "https://example.com/browser/toolkit/components/social/test/browser/data.json";
michael@0:   req.open("GET", url, true);
michael@0:   req.onreadystatechange = function() {
michael@0:     if (req.readyState === 4) {
michael@0:       let ok = req.status == 200 && req.responseText.length > 0;
michael@0:       if (ok) {
michael@0:         // check we actually got something sane...
michael@0:         try {
michael@0:           let data = JSON.parse(req.responseText);
michael@0:           ok = "response" in data;
michael@0:         } catch(e) {
michael@0:           ok = e.toString();
michael@0:         }
michael@0:       }
michael@0:       port.postMessage({topic: "done", result: ok ? "ok" : "bad response"});
michael@0:     }
michael@0:   }
michael@0:   req.send(null);
michael@0: }