Bug 1343465 - part2 : add test.
MozReview-Commit-ID: HypzfD053xW
--- a/toolkit/content/tests/browser/browser.ini
+++ b/toolkit/content/tests/browser/browser.ini
@@ -22,16 +22,20 @@ tags = audiochannel
support-files =
file_silentAudioTrack.html
silentAudioTrack.webm
[browser_block_autoplay_media_pausedAfterPlay.js]
tags = audiochannel
support-files =
file_blockMedia_shouldPlay.html
file_blockMedia_shouldNotPlay.html
+[browser_block_playMediaInMuteTab.js]
+tags = audiochannel
+support-files =
+ file_nonAutoplayAudio.html
[browser_block_autoplay_playAfterTabVisible.js]
tags = audiochannel
support-files =
file_nonAutoplayAudio.html
[browser_bug295977_autoscroll_overflow.js]
[browser_bug451286.js]
skip-if = !e10s
[browser_bug594509.js]
new file mode 100644
--- /dev/null
+++ b/toolkit/content/tests/browser/browser_block_playMediaInMuteTab.js
@@ -0,0 +1,114 @@
+const PAGE = "https://example.com/browser/toolkit/content/tests/browser/file_nonAutoplayAudio.html";
+
+var SuspendedType = {
+ NONE_SUSPENDED : 0,
+ SUSPENDED_PAUSE : 1,
+ SUSPENDED_BLOCK : 2,
+ SUSPENDED_PAUSE_DISPOSABLE : 3
+};
+
+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 check_audio_volume_and_mute(expectedMute) {
+ var audio = content.document.getElementById("testAudio");
+ if (!audio) {
+ ok(false, "Can't get the audio element!");
+ }
+
+ let expectedVolume = expectedMute ? 0.0 : 1.0;
+ is(expectedVolume, audio.computedVolume, "Audio's volume is correct!");
+ is(expectedMute, audio.computedMuted, "Audio's mute state is correct!")
+}
+
+function check_audio_suspended(suspendedType) {
+ var audio = content.document.getElementById("testAudio");
+ if (!audio) {
+ ok(false, "Can't get the audio element!");
+ }
+
+ is(audio.computedSuspended, suspendedType,
+ "The suspeded state of audio is correct.");
+}
+
+function check_audio_pause_state(expectedPauseState) {
+ var audio = content.document.getElementById("testAudio");
+ if (!audio) {
+ ok(false, "Can't get the audio element!");
+ }
+
+ is(audio.paused, expectedPauseState, "Audio is paused.");
+}
+
+function play_audio() {
+ var audio = content.document.getElementById("testAudio");
+ if (!audio) {
+ ok(false, "Can't get the audio element!");
+ }
+
+ audio.play();
+ ok(audio.paused, "Can't play audio, because the tab was still blocked.");
+}
+
+add_task(function* setup_test_preference() {
+ yield SpecialPowers.pushPrefEnv({"set": [
+ ["media.useAudioChannelService.testing", true],
+ ["media.block-autoplay-until-in-foreground", true]
+ ]});
+});
+
+add_task(function* unblock_icon_should_disapear_after_resume_tab() {
+ info("- open new background tab -");
+ let tab = window.gBrowser.addTab("about:blank");
+ tab.linkedBrowser.loadURI(PAGE);
+ yield BrowserTestUtils.browserLoaded(tab.linkedBrowser);
+
+ info("- audio doesn't be started in beginning -");
+ yield ContentTask.spawn(tab.linkedBrowser, true,
+ check_audio_pause_state);
+
+ info("- audio shouldn't be muted or blocked -");
+ yield ContentTask.spawn(tab.linkedBrowser, SuspendedType.NONE_SUSPENDED,
+ check_audio_suspended);
+ yield ContentTask.spawn(tab.linkedBrowser, false /* unmute */,
+ check_audio_volume_and_mute);
+
+ info("- tab shouldn't display unblocking icon -");
+ yield waitForTabBlockEvent(tab, false);
+
+ info("- mute tab -");
+ tab.linkedBrowser.mute();
+ ok(tab.linkedBrowser.audioMuted, "Audio should be muted now");
+
+ info("- try to start audio in background tab -");
+ yield ContentTask.spawn(tab.linkedBrowser, null,
+ play_audio);
+
+ info("- audio should be muted and blocked -");
+ yield ContentTask.spawn(tab.linkedBrowser, SuspendedType.SUSPENDED_BLOCK,
+ check_audio_suspended);
+ yield ContentTask.spawn(tab.linkedBrowser, true /* mute */,
+ check_audio_volume_and_mute);
+
+ info("- tab should display unblocking icon -");
+ yield waitForTabBlockEvent(tab, true);
+
+ info("- select tab as foreground tab -");
+ yield BrowserTestUtils.switchTab(window.gBrowser, tab);
+
+ info("- audio shoule be muted, but not be blocked -");
+ yield ContentTask.spawn(tab.linkedBrowser, SuspendedType.NONE_SUSPENDED,
+ check_audio_suspended);
+ yield ContentTask.spawn(tab.linkedBrowser, true /* mute */,
+ check_audio_volume_and_mute);
+
+ info("- tab should not display unblocking icon -");
+ yield waitForTabBlockEvent(tab, false);
+
+ info("- remove tab -");
+ yield BrowserTestUtils.removeTab(tab);
+});