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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
add_task(async function test_pip_label_changes_tab() {
let newWin = await BrowserTestUtils.openNewBrowserWindow();
let pipTab = newWin.document.querySelector(".tabbrowser-tab[selected]");
pipTab.setAttribute("pictureinpicture", true);
let pipLabel = pipTab.querySelector(".tab-icon-sound-pip-label");
await BrowserTestUtils.withNewTab("about:blank", async () => {
let selectedTab = newWin.document.querySelector(
".tabbrowser-tab[selected]"
);
Assert.ok(
selectedTab != pipTab,
"Picture in picture tab is not selected tab"
);
selectedTab = await BrowserTestUtils.switchTab(newWin.gBrowser, () =>
pipLabel.click()
);
Assert.ok(selectedTab == pipTab, "Picture in picture tab is selected tab");
});
await BrowserTestUtils.closeWindow(newWin);
});