1 files changed, 333 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/resources/xmlhttprequest-timeout.js b/testing/web-platform/tests/xhr/resources/xmlhttprequest-timeout.js
new file mode 100644
index 0000000000..9375bab7f3
--- /dev/null
+++ b/testing/web-platform/tests/xhr/resources/xmlhttprequest-timeout.js
@@ -0,0 +1,333 @@
+/* Test adapted from Alex Vincent's XHR2 timeout tests, written for Mozilla.
+   https://hg.mozilla.org/mozilla-central/file/tip/content/base/test/
+   Released into the public domain or under BSD, according to
+   https://bugzilla.mozilla.org/show_bug.cgi?id=525816#c86
+*/
+
+/* Notes:
+   - All times are expressed in milliseconds in this test suite.
+   - Test harness code is at the end of this file.
+   - We generate only one request at a time, to avoid overloading the HTTP
+   request handlers.
+ */
+
+var TIME_NORMAL_LOAD = 5000;
+var TIME_LATE_TIMEOUT = 4000;
+var TIME_XHR_LOAD = 3000;
+var TIME_REGULAR_TIMEOUT = 2000;
+var TIME_SYNC_TIMEOUT = 1000;
+var TIME_DELAY = 1000;
+
+/*
+ * This should point to a resource that responds with a text/plain resource after a delay of TIME_XHR_LOAD milliseconds.
+ */
+var STALLED_REQUEST_URL = "delay.py?ms=" + (TIME_XHR_LOAD);
+
+var inWorker = false;
+try {
+  inWorker = !(self instanceof Window);
+} catch (e) {
+  inWorker = true;
+}
+
+if (!inWorker)
+  STALLED_REQUEST_URL = "resources/" + STALLED_REQUEST_URL;
+
+function message(obj) {
+  if (inWorker)
+    self.postMessage(obj);
+  else
+    self.postMessage(obj, "*");
+}
+
+function is(got, expected, msg) {
+  var obj = {};
+  obj.type = "is";
+  obj.got = got;
+  obj.expected = expected;
+  obj.msg = msg;
+
+  message(obj);
+}
+
+function ok(bool, msg) {
+  var obj = {};
+  obj.type = "ok";
+  obj.bool = bool;
+  obj.msg = msg;
+
+  message(obj);
+}
+
+/**
+ * Generate and track results from a XMLHttpRequest with regards to timeouts.
+ *
+ * @param {String} id         The test description.
+ * @param {Number} timeLimit  The initial setting for the request timeout.
+ * @param {Number} resetAfter (Optional) The time after sending the request, to
+ *                            reset the timeout.
+ * @param {Number} resetTo    (Optional) The delay to reset the timeout to.
+ *
+ * @note The actual testing takes place in handleEvent(event).
+ * The requests are generated in startXHR().
+ *
+ * @note If resetAfter and resetTo are omitted, only the initial timeout setting
+ * applies.
+ *
+ * @constructor
+ * @implements DOMEventListener
+ */
+function RequestTracker(async, id, timeLimit /*[, resetAfter, resetTo]*/) {
+  this.async = async;
+  this.id = id;
+  this.timeLimit = timeLimit;
+
+  if (arguments.length > 3) {
+    this.mustReset  = true;
+    this.resetAfter = arguments[3];
+    this.resetTo    = arguments[4];
+  }
+
+  this.hasFired = false;
+}
+RequestTracker.prototype = {
+  /**
+   * Start the XMLHttpRequest!
+   */
+  startXHR: function() {
+    var req = new XMLHttpRequest();
+    this.request = req;
+    req.open("GET", STALLED_REQUEST_URL, this.async);
+    var me = this;
+    function handleEvent(e) { return me.handleEvent(e); };
+    req.onerror = handleEvent;
+    req.onload = handleEvent;
+    req.onabort = handleEvent;
+    req.ontimeout = handleEvent;
+
+    req.timeout = this.timeLimit;
+
+    if (this.mustReset) {
+      var resetTo = this.resetTo;
+      self.setTimeout(function() {
+        req.timeout = resetTo;
+      }, this.resetAfter);
+    }
+
+    try {
+      req.send(null);
+    }
+    catch (e) {
+      // Synchronous case in workers.
+      ok(!this.async && this.timeLimit < TIME_XHR_LOAD && e.name == "TimeoutError", "Unexpected error: " + e);
+      TestCounter.testComplete();
+    }
+  },
+
+  /**
+   * Get a message describing this test.
+   *
+   * @returns {String} The test description.
+   */
+  getMessage: function() {
+    var rv = this.id + ", ";
+    if (this.mustReset) {
+      rv += "original timeout at " + this.timeLimit + ", ";
+      rv += "reset at " + this.resetAfter + " to " + this.resetTo;
+    }
+    else {
+      rv += "timeout scheduled at " + this.timeLimit;
+    }
+    return rv;
+  },
+
+  /**
+   * Check the event received, and if it's the right (and only) one we get.
+   *
+   * @param {DOMProgressEvent} evt An event of type "load" or "timeout".
+   */
+  handleEvent: function(evt) {
+    if (this.hasFired) {
+      ok(false, "Only one event should fire: " + this.getMessage());
+      return;
+    }
+    this.hasFired = true;
+
+    var type = evt.type, expectedType;
+    // The XHR responds after TIME_XHR_LOAD milliseconds with a load event.
+    var timeLimit = this.mustReset && (this.resetAfter < Math.min(TIME_XHR_LOAD, this.timeLimit)) ?
+                    this.resetTo :
+                    this.timeLimit;
+    if ((timeLimit == 0) || (timeLimit >= TIME_XHR_LOAD)) {
+      expectedType = "load";
+    }
+    else {
+      expectedType = "timeout";
+    }
+    is(type, expectedType, this.getMessage());
+    TestCounter.testComplete();
+  }
+};
+
+/**
+ * Generate and track XMLHttpRequests which will have abort() called on.
+ *
+ * @param shouldAbort {Boolean} True if we should call abort at all.
+ * @param abortDelay  {Number}  The time in ms to wait before calling abort().
+ */
+function AbortedRequest(shouldAbort, id, abortDelay) {
+  this.shouldAbort = shouldAbort;
+  this.abortDelay  = abortDelay;
+  this.hasFired    = false;
+}
+AbortedRequest.prototype = {
+  /**
+   * Start the XMLHttpRequest!
+   */
+  startXHR: function() {
+    var req = new XMLHttpRequest();
+    this.request = req;
+    req.open("GET", STALLED_REQUEST_URL);
+    var _this = this;
+    function handleEvent(e) { return _this.handleEvent(e); };
+    req.onerror = handleEvent;
+    req.onload = handleEvent;
+    req.onabort = handleEvent;
+    req.ontimeout = handleEvent;
+
+    req.timeout = TIME_REGULAR_TIMEOUT;
+
+    function abortReq() {
+      req.abort();
+    }
+
+    if (!this.shouldAbort) {
+      self.setTimeout(function() {
+        try {
+          _this.noEventsFired();
+        }
+        catch (e) {
+          ok(false, "Unexpected error: " + e);
+          TestCounter.testComplete();
+        }
+      }, TIME_NORMAL_LOAD);
+    }
+    else {
+      // Abort events can only be triggered on sent requests.
+      req.send();
+      if (this.abortDelay == -1) {
+        abortReq();
+      }
+      else {
+        self.setTimeout(abortReq, this.abortDelay);
+      }
+    }
+  },
+
+  /**
+   * Ensure that no events fired at all, especially not our timeout event.
+   */
+  noEventsFired: function() {
+    ok(!this.hasFired, "No events should fire for an unsent, unaborted request");
+    // We're done; if timeout hasn't fired by now, it never will.
+    TestCounter.testComplete();
+  },
+
+  /**
+   * Get a message describing this test.
+   *
+   * @returns {String} The test description.
+   */
+  getMessage: function() {
+    return "time to abort is " + this.abortDelay + ", timeout set at " + TIME_REGULAR_TIMEOUT;
+  },
+
+  /**
+   * Check the event received, and if it's the right (and only) one we get.
+   *
+   * WebKit fires abort events even for DONE and UNSENT states, which is
+   * discussed in http://webkit.org/b/98404
+   * That's why we chose to accept secondary "abort" events in this test.
+   *
+   * @param {DOMProgressEvent} evt An event of type "load" or "timeout".
+   */
+  handleEvent: function(evt) {
+    if (this.hasFired && evt.type != "abort") {
+      ok(false, "Only abort event should fire: " + this.getMessage());
+      return;
+    }
+
+    var expectedEvent = (this.abortDelay >= TIME_REGULAR_TIMEOUT && !this.hasFired) ? "timeout" : "abort";
+    this.hasFired = true;
+    is(evt.type, expectedEvent, this.getMessage());
+    TestCounter.testComplete();
+  }
+};
+
+function SyncRequestSettingTimeoutAfterOpen() {
+  this.startXHR = function() {
+    var pass = false;
+    var req = new XMLHttpRequest();
+    req.open("GET", STALLED_REQUEST_URL, false);
+    try {
+      req.timeout = TIME_SYNC_TIMEOUT;
+    }
+    catch (e) {
+      pass = true;
+    }
+    ok(pass, "Synchronous XHR must not allow a timeout to be set - setting timeout must throw");
+    TestCounter.testComplete();
+  };
+  return this;
+};
+
+function SyncRequestSettingTimeoutBeforeOpen() {
+  this.startXHR = function() {
+    var pass = false;
+    var req = new XMLHttpRequest();
+    req.timeout = TIME_SYNC_TIMEOUT;
+    try {
+      req.open("GET", STALLED_REQUEST_URL, false);
+    }
+    catch (e) {
+      pass = true;
+    }
+    ok(pass, "Synchronous XHR must not allow a timeout to be set - calling open() after timeout is set must throw");
+    TestCounter.testComplete();
+  }
+  return this;
+};
+
+var TestRequests = [];
+
+// This code controls moving from one test to another.
+var TestCounter = {
+  testComplete: function() {
+    // Allow for the possibility there are other events coming.
+    self.setTimeout(function() {
+      TestCounter.next();
+    }, TIME_NORMAL_LOAD);
+  },
+
+  next: function() {
+    var test = TestRequests.shift();
+
+    if (test) {
+      test.startXHR();
+    }
+    else {
+      message("done");
+    }
+  }
+};
+
+function runTestRequests(testRequests) {
+  if (location.search) {
+    testRequests = testRequests.filter(test => test[2] == decodeURIComponent(location.search.substr(1)));
+  }
+  TestRequests = testRequests.map(test => {
+    var constructor = test.shift();
+    return new self[constructor](...test)
+  });
+  TestCounter.next();
+}