fune/browser/base/content/test/general/browser_bug435325.js

69 lines
2.5 KiB
JavaScript

/* 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");
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();
});