gecko-dev/browser/base/content/test/general/browser_bug435325.js

44 lines
1.8 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. */
add_task(async function checkSwitchPageToOnlineMode() {
// 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.
let proxyPrefValue = SpecialPowers.getIntPref("network.proxy.type");
await SpecialPowers.pushPrefEnv({"set": [
["network.proxy.type", 0],
["browser.cache.disk.enable", false],
["browser.cache.memory.enable", false],
]});
await BrowserTestUtils.withNewTab("about:blank", async function(browser) {
let netErrorLoaded = BrowserTestUtils.waitForErrorPage(browser);
await BrowserTestUtils.loadURI(browser, "http://example.com/");
await netErrorLoaded;
// Re-enable the proxy so example.com is resolved to localhost, rather than
// the actual example.com.
await SpecialPowers.pushPrefEnv({"set": [["network.proxy.type", proxyPrefValue]]});
let changeObserved = TestUtils.topicObserved("network:offline-status-changed");
// Click on the 'Try again' button.
await ContentTask.spawn(browser, null, async function() {
ok(content.document.documentURI.startsWith("about:neterror?e=netOffline"), "Should be showing error page");
content.document.getElementById("errorTryAgain").click();
});
await changeObserved;
ok(!Services.io.offline, "After clicking the 'Try Again' button, we're back online.");
});
});
registerCleanupFunction(function() {
Services.io.offline = false;
});