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Test Info:
const SILENT_PAGE = GetTestWebBasedURL("file_silentAudioTrack.html");
const ALMOST_SILENT_PAGE = GetTestWebBasedURL(
"file_almostSilentAudioTrack.html"
);
function check_audio_playing_state(isPlaying) {
let autoPlay = content.document.getElementById("autoplay");
if (!autoPlay) {
ok(false, "Can't get the audio element!");
}
is(
autoPlay.paused,
!isPlaying,
"The playing state of autoplay audio is correct."
);
// wait for a while to make sure the video is playing and related event has
// been dispatched (if any).
let PLAYING_TIME_SEC = 0.5;
Assert.less(
PLAYING_TIME_SEC,
autoPlay.duration,
"The playing time is valid."
);
return new Promise(resolve => {
autoPlay.ontimeupdate = function () {
if (autoPlay.currentTime > PLAYING_TIME_SEC) {
resolve();
}
};
});
}
add_task(async function should_not_show_sound_indicator_for_silent_video() {
info("- open new foreground tab -");
let tab = await BrowserTestUtils.openNewForegroundTab(
window.gBrowser,
"about:blank"
);
info("- tab should not have sound indicator before playing silent video -");
await waitForTabSoundIndicatorDisappears(tab);
info("- loading autoplay silent video -");
BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, SILENT_PAGE);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
await SpecialPowers.spawn(
tab.linkedBrowser,
[true],
check_audio_playing_state
);
info("- tab should not have sound indicator after playing silent video -");
await waitForTabSoundIndicatorDisappears(tab);
info("- remove tab -");
BrowserTestUtils.removeTab(tab);
});
add_task(
async function should_not_show_sound_indicator_for_almost_silent_video() {
info("- open new foreground tab -");
let tab = await BrowserTestUtils.openNewForegroundTab(
window.gBrowser,
"about:blank"
);
info(
"- tab should not have sound indicator before playing almost silent video -"
);
await waitForTabSoundIndicatorDisappears(tab);
info("- loading autoplay almost silent video -");
BrowserTestUtils.startLoadingURIString(
tab.linkedBrowser,
ALMOST_SILENT_PAGE
);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
await SpecialPowers.spawn(
tab.linkedBrowser,
[true],
check_audio_playing_state
);
info(
"- tab should not have sound indicator after playing almost silent video -"
);
await waitForTabSoundIndicatorDisappears(tab);
info("- remove tab -");
BrowserTestUtils.removeTab(tab);
}
);