зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
3.0 KiB
JavaScript
103 строки
3.0 KiB
JavaScript
const PAGE = "https://example.com/browser/toolkit/content/tests/browser/file_mediaPlayback2.html";
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const FRAME = "https://example.com/browser/toolkit/content/tests/browser/file_mediaPlaybackFrame2.html";
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function wait_for_event(browser, event) {
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return BrowserTestUtils.waitForEvent(browser, event, false, (event) => {
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is(event.originalTarget, browser, "Event must be dispatched to correct browser.");
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return true;
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});
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}
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function test_audio_in_browser() {
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function get_audio_element() {
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var doc = content.document;
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var list = doc.getElementsByTagName("audio");
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if (list.length == 1) {
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return list[0];
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}
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// iframe?
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list = doc.getElementsByTagName("iframe");
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var iframe = list[0];
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list = iframe.contentDocument.getElementsByTagName("audio");
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return list[0];
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}
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var audio = get_audio_element();
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return {
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computedVolume: audio.computedVolume,
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computedMuted: audio.computedMuted
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};
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}
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async function test_on_browser(url, browser) {
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browser.loadURI(url);
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await wait_for_event(browser, "DOMAudioPlaybackStarted");
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var result = await ContentTask.spawn(browser, null, test_audio_in_browser);
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is(result.computedVolume, 1, "Audio volume is 1");
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is(result.computedMuted, false, "Audio is not muted");
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ok(!browser.audioMuted, "Audio should not be muted by default");
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browser.mute();
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ok(browser.audioMuted, "Audio should be muted now");
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await wait_for_event(browser, "DOMAudioPlaybackStopped");
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result = await ContentTask.spawn(browser, null, test_audio_in_browser);
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is(result.computedVolume, 0, "Audio volume is 0 when muted");
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is(result.computedMuted, true, "Audio is muted");
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}
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async function test_visibility(url, browser) {
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browser.loadURI(url);
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await wait_for_event(browser, "DOMAudioPlaybackStarted");
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var result = await ContentTask.spawn(browser, null, test_audio_in_browser);
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is(result.computedVolume, 1, "Audio volume is 1");
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is(result.computedMuted, false, "Audio is not muted");
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await BrowserTestUtils.withNewTab({
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gBrowser,
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url: "about:blank",
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}, function() {});
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ok(!browser.audioMuted, "Audio should not be muted by default");
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browser.mute();
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ok(browser.audioMuted, "Audio should be muted now");
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await wait_for_event(browser, "DOMAudioPlaybackStopped");
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result = await ContentTask.spawn(browser, null, test_audio_in_browser);
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is(result.computedVolume, 0, "Audio volume is 0 when muted");
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is(result.computedMuted, true, "Audio is muted");
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}
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add_task(async function() {
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await SpecialPowers.pushPrefEnv({"set": [
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["media.useAudioChannelService.testing", true]
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]});
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});
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add_task(async function test_page() {
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await BrowserTestUtils.withNewTab({
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gBrowser,
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url: "about:blank",
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}, test_on_browser.bind(undefined, PAGE));
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});
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add_task(async function test_frame() {
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await BrowserTestUtils.withNewTab({
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gBrowser,
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url: "about:blank",
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}, test_on_browser.bind(undefined, FRAME));
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});
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add_task(async function test_frame() {
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await BrowserTestUtils.withNewTab({
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gBrowser,
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url: "about:blank",
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}, test_visibility.bind(undefined, PAGE));
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});
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