Mypal/dom/tests/browser/browser_autofocus_backgroun...

38 lines
1.2 KiB
JavaScript

add_task(function* () {
let tabs = [ gBrowser.selectedTab, gBrowser.addTab() ];
// 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);
tabs[1].linkedBrowser.loadURI(testingList[0].uri);
yield loadedPromise;
for (var i = 0; i < testingList.length; ++i) {
// Get active element in the tab.
let tagName = yield ContentTask.spawn(tabs[i + 1].linkedBrowser, null, 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++) {
yield BrowserTestUtils.removeTab(tabs[i]);
}
});