import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/xhr/tests/xhrAbort_worker.js

@@ -0,0 +1,92 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+function runTest() {
+  var xhr = new XMLHttpRequest();
+
+  var events = [];
+  function pushEvent(event) {
+    var readyState, responseText, status, statusText;
+
+    try {
+      readyState = xhr.readyState;
+    }
+    catch (e) {
+      readyState = "[exception]";
+    }
+
+    try {
+      responseText = xhr.responseText;
+    }
+    catch (e) {
+      responseText = "[exception]";
+    }
+
+    try {
+      status = xhr.status;
+    }
+    catch (e) {
+      status = "[exception]";
+    }
+
+    try {
+      statusText = xhr.statusText;
+    }
+    catch (e) {
+      statusText = "[exception]";
+    }
+
+    var str = event.type + "(" + readyState + ", '" + responseText + "', " +
+              status + ", '" + statusText + "'";
+    if ((("ProgressEvent" in this) && event instanceof ProgressEvent) ||
+        (("WorkerProgressEvent" in this) && event instanceof WorkerProgressEvent)) {
+      str += ", progressEvent";
+    }
+    str += ")";
+
+    events.push(str);
+  }
+
+  xhr.onerror = function(event) {
+    throw new Error("Error: " + xhr.statusText);
+  }
+
+  xhr.onload = function(event) {
+    throw new Error("Shouldn't have gotten load event!");
+  };
+
+  var seenAbort;
+  xhr.onabort = function(event) {
+    if (seenAbort) {
+      throw new Error("Already seen the abort event!");
+    }
+    seenAbort = true;
+
+    pushEvent(event);
+    postMessage(events);
+  };
+
+  xhr.onreadystatechange = function(event) {
+    pushEvent(event);
+    if (xhr.readyState == xhr.HEADERS_RECEIVED) {
+      xhr.abort();
+    }
+  };
+
+  xhr.open("GET", "worker_testXHR.txt");
+  xhr.overrideMimeType("text/plain");
+  xhr.send(null);
+}
+
+function messageListener(event) {
+  switch (event.data) {
+    case "start":
+      runTest();
+      break;
+    default:
+      throw new Error("Bad message!");
+  }
+}
+
+addEventListener("message", messageListener, false);