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/* Any copyright is dedicated to the Public Domain.
"use strict";
const { TabState } = ChromeUtils.importESModule(
);
/**
* Simulate a restart of a tab by removing it, then add a lazy tab
* which is restored with the tabData of the removed tab.
*
* @param tab
* The tab to restart.
* @return {Object} the restored lazy tab
*/
const restartTab = async function (tab) {
let tabData = TabState.clone(tab);
BrowserTestUtils.removeTab(tab);
let restoredLazyTab = BrowserTestUtils.addTab(gBrowser, "", {
createLazyBrowser: true,
});
SessionStore.setTabState(restoredLazyTab, JSON.stringify(tabData));
return restoredLazyTab;
};
function get_tab_state(tab) {
return JSON.parse(SessionStore.getTabState(tab));
}
add_task(async function () {
const browser = gBrowser.getBrowserForTab(tab);
await BrowserTestUtils.browserLoaded(browser);
// Let's make sure the tab is not in a muted state at the beginning
ok(!("muted" in get_tab_state(tab)), "Tab should not be in a muted state");
info("toggling Muted audio...");
tab.toggleMuteAudio();
ok("muted" in get_tab_state(tab), "Tab should be in a muted state");
info("Restarting tab...");
let restartedTab = await restartTab(tab);
ok(
"muted" in get_tab_state(restartedTab),
"Restored tab should still be in a muted state after restart"
);
ok(!restartedTab.linkedPanel, "Restored tab should not be inserted");
BrowserTestUtils.removeTab(restartedTab);
});