gecko-dev/dom/tests/browser/browser_autofocus_backgroun...

50 строки
1.3 KiB
JavaScript

add_task(async function() {
let tabs = [gBrowser.selectedTab, BrowserTestUtils.addTab(gBrowser)];
// The first tab has an autofocused element.
// The second tab is exactly like the first one without the autofocus.
let testingList = [
{
uri:
"data:text/html,<!DOCTYPE html><html><body><input autofocus id='target'></body></html>",
tagName: "INPUT",
},
];
// Set the focus to the first tab.
tabs[0].linkedBrowser.focus();
// Load the second tab in the background.
let loadedPromise = BrowserTestUtils.browserLoaded(tabs[1].linkedBrowser);
BrowserTestUtils.loadURI(tabs[1].linkedBrowser, testingList[0].uri);
await loadedPromise;
for (var i = 0; i < testingList.length; ++i) {
// Get active element in the tab.
let tagName = await ContentTask.spawn(
tabs[i + 1].linkedBrowser,
null,
async function() {
return content.document.activeElement.tagName;
}
);
is(
tagName,
testingList[i].tagName,
"The background tab's focused element should be " + testingList[i].tagName
);
}
is(
document.activeElement,
tabs[0].linkedBrowser,
"The background tab's focused element should not cause the tab to be focused"
);
// Cleaning up.
for (let i = 1; i < tabs.length; i++) {
BrowserTestUtils.removeTab(tabs[i]);
}
});