1 files changed, 96 insertions, 0 deletions
diff --git a/dom/events/test/test_bug336682.js b/dom/events/test/test_bug336682.js
new file mode 100644
index 0000000000..e673f1eb99
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+++ b/dom/events/test/test_bug336682.js
@@ -0,0 +1,96 @@
+/*
+ * Helper functions for online/offline events tests.
+ *
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+var gState = 0;
+/**
+ * After all the on/offline handlers run,
+ * gState is expected to be equal to MAX_STATE.
+ */
+var MAX_STATE;
+
+function trace(text) {
+  var t = text.replace(/&/g, "&" + "amp;").replace(/</g, "&" + "lt;") + "<br>";
+  //document.getElementById("display").innerHTML += t;
+}
+
+/**
+ * Returns a handler function for an online/offline event. The returned handler
+ * ensures the passed event object has expected properties and that the handler
+ * is called at the right moment (according to the gState variable).
+ * @param nameTemplate The string identifying the hanlder. '%1' in that
+ *                     string will be replaced with the event name.
+ * @param eventName 'online' or 'offline'
+ * @param expectedStates an array listing the possible values of gState at the
+ *                       moment the handler is called. The handler increases
+ *                       gState by one before checking if it's listed in
+ *                       expectedStates.
+ */
+function makeHandler(nameTemplate, eventName, expectedStates) {
+  return function (e) {
+    var name = nameTemplate.replace(/%1/, eventName);
+    ++gState;
+    trace(name + ": gState=" + gState);
+    ok(
+      expectedStates.includes(gState),
+      "handlers called in the right order: " +
+        name +
+        " is called, " +
+        "gState=" +
+        gState +
+        ", expectedStates=" +
+        expectedStates
+    );
+    ok(e.constructor == Event, "event should be an Event");
+    ok(e.type == eventName, "event type should be " + eventName);
+    ok(!e.bubbles, "event should not bubble");
+    ok(!e.cancelable, "event should not be cancelable");
+    ok(e.target == window, "target should be the window");
+  };
+}
+
+function doTest() {
+  var iosvc = SpecialPowers.Cc["@mozilla.org/network/io-service;1"].getService(
+    SpecialPowers.Ci.nsIIOService
+  );
+  iosvc.manageOfflineStatus = false;
+  iosvc.offline = false;
+  ok(
+    navigator.onLine,
+    "navigator.onLine should be true, since we've just " +
+      "set nsIIOService.offline to false"
+  );
+
+  gState = 0;
+
+  trace("setting iosvc.offline = true");
+  iosvc.offline = true;
+  trace("done setting iosvc.offline = true");
+  ok(
+    !navigator.onLine,
+    "navigator.onLine should be false when iosvc.offline == true"
+  );
+  ok(
+    gState == window.MAX_STATE,
+    "offline event: all registered handlers should have been invoked, " +
+      "actual: " +
+      gState
+  );
+
+  gState = 0;
+  trace("setting iosvc.offline = false");
+  iosvc.offline = false;
+  trace("done setting iosvc.offline = false");
+  ok(
+    navigator.onLine,
+    "navigator.onLine should be true when iosvc.offline == false"
+  );
+  ok(
+    gState == window.MAX_STATE,
+    "online event: all registered handlers should have been invoked, " +
+      "actual: " +
+      gState
+  );
+}