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Test Info:
const PAGE = GetTestWebBasedURL("file_mediaPlayback.html");
const FRAME = GetTestWebBasedURL("file_mediaPlaybackFrame.html");
function wait_for_event(browser, event) {
return BrowserTestUtils.waitForEvent(browser, event, false, e => {
is(
e.originalTarget,
browser,
"Event must be dispatched to correct browser."
);
ok(!e.cancelable, "The event should not be cancelable");
return true;
});
}
async function test_on_browser(url, browser) {
info(`run test for ${url}`);
const startPromise = wait_for_event(browser, "DOMAudioPlaybackStarted");
BrowserTestUtils.startLoadingURIString(browser, url);
await startPromise;
await wait_for_event(browser, "DOMAudioPlaybackStopped");
}
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)
);
});