"use strict";
const PAGE =
"data:text/html,A%20regular,%20everyday,%20normal%20page.";
/**
* This function returns a Promise that resolves once the following
* actions have taken place:
*
* 1) A new tab is opened up at PAGE
* 2) The tab is crashed
* 3) The about:restartrequired page is displayed
*
* @returns Promise
*/
function crashTabTestHelper() {
return BrowserTestUtils.withNewTab({
gBrowser,
url: PAGE,
}, async function(browser) {
// Simulate buildID mismatch.
TabCrashHandler.testBuildIDMismatch = true;
await BrowserTestUtils.crashBrowser(browser, false);
let doc = browser.contentDocument;
// Since about:restartRequired will run in the parent process, we can safely
// manipulate its DOM nodes directly
let title = doc.getElementById("title");
let description = doc.getElementById("errorLongContent");
let restartButton = doc.getElementById("restart");
ok(title, "Title element exists.");
ok(description, "Description element exists.");
ok(restartButton, "Restart button exists.");
// Reset
TabCrashHandler.testBuildIDMismatch = false;
});
}
/**
* Tests that the about:restartrequired page appears when buildID mismatches
* between parent and child processes are encountered.
*/
add_task(async function test_default() {
await crashTabTestHelper();
});