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"use strict";
/**
* Helper to test that a newtab page loads its html document.
*
* @param selector {String} CSS selector to find an element in newtab content
* @param message {String} Description of the test printed with the assertion
*/
async function checkNewtabLoads(selector, message) {
// simulate a newtab open as a user would
BrowserOpenTab();
// wait until the browser loads
let browser = gBrowser.selectedBrowser;
await waitForPreloaded(browser);
// check what the content task thinks has been loaded.
let found = await ContentTask.spawn(
browser,
selector,
arg => content.document.querySelector(arg) !== null
);
ok(found, message);
// avoid leakage
BrowserTestUtils.removeTab(gBrowser.selectedTab);
}
// Test with activity stream on
async function checkActivityStreamLoads() {
await checkNewtabLoads(
"body.activity-stream",
"Got <body class='activity-stream'> Element"
);
}
// Run a first time not from a preloaded browser
add_task(async function checkActivityStreamNotPreloadedLoad() {
NewTabPagePreloading.removePreloadedBrowser(window);
await checkActivityStreamLoads();
});
// Run a second time from a preloaded browser
add_task(checkActivityStreamLoads);
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