1 files changed, 69 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug435325.js b/browser/base/content/test/general/browser_bug435325.js
new file mode 100644
index 000000000..2ae15deff
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug435325.js
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/* Ensure that clicking the button in the Offline mode neterror page makes the browser go online. See bug 435325. */
+
+var proxyPrefValue;
+
+function test() {
+  waitForExplicitFinish();
+
+  // Go offline and disable the proxy and cache, then try to load the test URL.
+  Services.io.offline = true;
+
+  // Tests always connect to localhost, and per bug 87717, localhost is now
+  // reachable in offline mode.  To avoid this, disable any proxy.
+  proxyPrefValue = Services.prefs.getIntPref("network.proxy.type");
+  Services.prefs.setIntPref("network.proxy.type", 0);
+
+  Services.prefs.setBoolPref("browser.cache.disk.enable", false);
+  Services.prefs.setBoolPref("browser.cache.memory.enable", false);
+
+  gBrowser.selectedTab = gBrowser.addTab("http://example.com/");
+
+  let contentScript = `
+    let listener = function () {
+      removeEventListener("DOMContentLoaded", listener);
+      sendAsyncMessage("Test:DOMContentLoaded", { uri: content.document.documentURI });
+    };
+    addEventListener("DOMContentLoaded", listener);
+  `;
+
+  function pageloaded({ data }) {
+    mm.removeMessageListener("Test:DOMContentLoaded", pageloaded);
+    checkPage(data);
+  }
+
+  let mm = gBrowser.selectedBrowser.messageManager;
+  mm.addMessageListener("Test:DOMContentLoaded", pageloaded);
+  mm.loadFrameScript("data:," + contentScript, true);
+}
+
+function checkPage(data) {
+  ok(Services.io.offline, "Setting Services.io.offline to true.");
+
+  is(data.uri.substring(0, 27),
+     "about:neterror?e=netOffline", "Loading the Offline mode neterror page.");
+
+  // Re-enable the proxy so example.com is resolved to localhost, rather than
+  // the actual example.com.
+  Services.prefs.setIntPref("network.proxy.type", proxyPrefValue);
+
+  Services.obs.addObserver(function observer(aSubject, aTopic) {
+    ok(!Services.io.offline, "After clicking the Try Again button, we're back " +
+                             "online.");
+    Services.obs.removeObserver(observer, "network:offline-status-changed", false);
+    finish();
+  }, "network:offline-status-changed", false);
+
+  ContentTask.spawn(gBrowser.selectedBrowser, null, function* () {
+    content.document.getElementById("errorTryAgain").click();
+  });
+}
+
+registerCleanupFunction(function() {
+  Services.prefs.setBoolPref("browser.cache.disk.enable", true);
+  Services.prefs.setBoolPref("browser.cache.memory.enable", true);
+  Services.io.offline = false;
+  gBrowser.removeCurrentTab();
+});