fune/toolkit/content/tests/browser/browser_mediaPlayback_mute.js
Kris Maglione 94e3b0bd8d Bug 1596918: Part 3a - Scripted rewrite of most ContentTask.spawn calls to SpecialPowers.spawn calls. r=mccr8,remote-protocol-reviewers,ato
This is generally pretty straightforward, and rewrites nearly all calls. It
skips the ones that it can detect using frame script globals like
`sendAsyncMessage`, though.

Differential Revision: https://phabricator.services.mozilla.com/D53740

--HG--
extra : moz-landing-system : lando
2019-12-13 20:36:16 +00:00

120 lines
3.2 KiB
JavaScript

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