// The tab closing code leaves an uncaught rejection. This test has been // whitelisted until the issue is fixed. if (!gMultiProcessBrowser) { ChromeUtils.import("resource://testing-common/PromiseTestUtils.jsm", this); PromiseTestUtils.expectUncaughtRejection(/is no longer, usable/); } const PAGE = "https://example.com/browser/toolkit/content/tests/browser/file_webAudio.html"; async function click_icon(tab) { let icon = document.getAnonymousElementByAttribute(tab, "anonid", "soundplaying-icon"); await hover_icon(icon, document.getElementById("tabbrowser-tab-tooltip")); EventUtils.synthesizeMouseAtCenter(icon, {button: 0}); leave_icon(icon); } function start_webAudio() { var startButton = content.document.getElementById("start"); if (!startButton) { ok(false, "Can't get the start button!"); } startButton.click(); } function stop_webAudio() { var stopButton = content.document.getElementById("stop"); if (!stopButton) { ok(false, "Can't get the stop button!"); } stopButton.click(); } add_task(async function setup_test_preference() { setTestPluginEnabledState(Ci.nsIPluginTag.STATE_ENABLED, "Test Plug-in"); await SpecialPowers.pushPrefEnv({"set": [ ["media.useAudioChannelService.testing", true], ["media.block-autoplay-until-in-foreground", true], ]}); }); add_task(async function mute_web_audio() { info("- open new tab -"); let tab = await BrowserTestUtils.openNewForegroundTab(window.gBrowser, "about:blank"); BrowserTestUtils.loadURI(tab.linkedBrowser, PAGE); await BrowserTestUtils.browserLoaded(tab.linkedBrowser); info("- tab should be audible -"); await waitForTabPlayingEvent(tab, true); info("- mute browser -"); ok(!tab.linkedBrowser.audioMuted, "Audio should not be muted by default"); await click_icon(tab); ok(tab.linkedBrowser.audioMuted, "Audio should be muted now"); info("- stop web audip -"); await ContentTask.spawn(tab.linkedBrowser, null, stop_webAudio); info("- start web audio -"); await ContentTask.spawn(tab.linkedBrowser, null, start_webAudio); info("- unmute browser -"); ok(tab.linkedBrowser.audioMuted, "Audio should be muted now"); await click_icon(tab); ok(!tab.linkedBrowser.audioMuted, "Audio should be unmuted now"); info("- tab should be audible -"); await waitForTabPlayingEvent(tab, true); info("- remove tab -"); BrowserTestUtils.removeTab(tab); });