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Test Info: Warnings
- This test gets skipped with pattern: os == 'mac' && os_version == '10.15' && processor == 'x86_64' && !debug && verify OR os == 'mac' && os_version == '11.20' && arch == 'aarch64' && !debug && verify
- Manifest: browser/base/content/test/about/browser.toml
/* Any copyright is dedicated to the Public Domain.
/* 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;
// 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);
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
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 SpecialPowers.spawn(browser, [], async function () {
ok(
content.document.documentURI.startsWith("about:neterror?e=netOffline"),
"Should be showing error page"
);
content.document
.querySelector("#netErrorButtonContainer > .try-again")
.click();
});
await changeObserved;
ok(
!Services.io.offline,
"After clicking the 'Try Again' button, we're back online."
);
});
});
registerCleanupFunction(function () {
Services.io.offline = false;
});