forked from mirrors/gecko-dev
38 lines
1.2 KiB
JavaScript
38 lines
1.2 KiB
JavaScript
"use strict";
|
|
|
|
/*
|
|
* Test bug 427559 to make sure focused elements that are no longer on the page
|
|
* will have focus transferred to the window when changing tabs back to that
|
|
* tab with the now-gone element.
|
|
*/
|
|
|
|
// Default focus on a button and have it kill itself on blur.
|
|
const URL = "data:text/html;charset=utf-8," +
|
|
'<body><button onblur="this.remove()">' +
|
|
"<script>document.body.firstChild.focus()</script></body>";
|
|
|
|
function getFocusedLocalName(browser) {
|
|
return ContentTask.spawn(browser, null, async function() {
|
|
return content.document.activeElement.localName;
|
|
});
|
|
}
|
|
|
|
add_task(async function() {
|
|
let testTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URL);
|
|
|
|
let browser = testTab.linkedBrowser;
|
|
|
|
is((await getFocusedLocalName(browser)), "button", "button is focused");
|
|
|
|
let blankTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, "about:blank");
|
|
|
|
await BrowserTestUtils.switchTab(gBrowser, testTab);
|
|
|
|
// Make sure focus is given to the window because the element is now gone.
|
|
is((await getFocusedLocalName(browser)), "body", "body is focused");
|
|
|
|
// Cleanup.
|
|
gBrowser.removeTab(blankTab);
|
|
gBrowser.removeCurrentTab();
|
|
|
|
});
|