forked from mirrors/gecko-dev
118 lines
3.1 KiB
JavaScript
118 lines
3.1 KiB
JavaScript
const PAGE = GetTestWebBasedURL("file_mediaPlayback2.html");
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const FRAME = GetTestWebBasedURL("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(
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event.originalTarget,
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browser,
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"Event must be dispatched to correct browser."
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);
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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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BrowserTestUtils.loadURI(browser, url);
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await wait_for_event(browser, "DOMAudioPlaybackStarted");
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var result = await SpecialPowers.spawn(browser, [], 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 SpecialPowers.spawn(browser, [], 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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BrowserTestUtils.loadURI(browser, url);
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await wait_for_event(browser, "DOMAudioPlaybackStarted");
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var result = await SpecialPowers.spawn(browser, [], 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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{
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gBrowser,
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url: "about:blank",
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},
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function() {}
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);
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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 SpecialPowers.spawn(browser, [], 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({
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set: [["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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{
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gBrowser,
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url: "about:blank",
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},
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test_on_browser.bind(undefined, PAGE)
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);
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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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{
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gBrowser,
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url: "about:blank",
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},
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test_on_browser.bind(undefined, FRAME)
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);
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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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{
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gBrowser,
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url: "about:blank",
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},
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test_visibility.bind(undefined, PAGE)
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);
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});
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