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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /browser/base/content/test/tabMediaIndicator/browser_webAudio_silentData.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | browser/base/content/test/tabMediaIndicator/browser_webAudio_silentData.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/browser/base/content/test/tabMediaIndicator/browser_webAudio_silentData.js b/browser/base/content/test/tabMediaIndicator/browser_webAudio_silentData.js new file mode 100644 index 0000000000..5831d3c0ce --- /dev/null +++ b/browser/base/content/test/tabMediaIndicator/browser_webAudio_silentData.js @@ -0,0 +1,57 @@ +/** + * This test is used to make sure we won't show the sound indicator for silent + * web audio. + */ +/* eslint-disable mozilla/no-arbitrary-setTimeout */ +"use strict"; + +async function waitUntilAudioContextStarts() { + const ac = content.ac; + if (ac.state == "running") { + return; + } + + await new Promise(resolve => { + ac.onstatechange = () => { + if (ac.state == "running") { + ac.onstatechange = null; + resolve(); + } + }; + }); +} + +add_task(async function testSilentAudioContext() { + info(`- create new tab -`); + const tab = await BrowserTestUtils.openNewForegroundTab( + window.gBrowser, + "about:blank" + ); + const browser = tab.linkedBrowser; + + info(`- create audio context -`); + // We want the same audio context to be used across different content tasks + await SpecialPowers.spawn(tab.linkedBrowser, [], () => { + content.ac = new content.AudioContext(); + const ac = content.ac; + const dest = ac.destination; + const source = new content.OscillatorNode(content.ac); + const gain = new content.GainNode(content.ac); + gain.gain.value = 0.0; + source.connect(gain).connect(dest); + source.start(); + }); + info(`- check AudioContext's state -`); + await SpecialPowers.spawn(browser, [], waitUntilAudioContextStarts); + ok(true, `AudioContext is running.`); + + info(`- should not show sound indicator -`); + // If we do the next step too early, then we can't make sure whether that the + // reason of no showing sound indicator is because of silent web audio, or + // because the indicator is just not showing yet. + await new Promise(r => setTimeout(r, 1000)); + await waitForTabSoundIndicatorDisappears(tab); + + info(`- remove tab -`); + await BrowserTestUtils.removeTab(tab); +}); |