1 files changed, 103 insertions, 0 deletions
diff --git a/dom/browser-element/mochitest/browserElement_AudioChannelMutedByDefault.js b/dom/browser-element/mochitest/browserElement_AudioChannelMutedByDefault.js
new file mode 100644
index 000000000..897c4318a
--- /dev/null
+++ b/dom/browser-element/mochitest/browserElement_AudioChannelMutedByDefault.js
@@ -0,0 +1,103 @@
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+browserElementTestHelpers.setEnabledPref(true);
+
+var fileURL = 'chrome://mochitests/content/chrome/dom/browser-element/mochitest/file_browserElement_AudioChannelMutedByDefault.html';
+var testFrame;
+var ac;
+
+function alertListener(e) {
+  var message = e.detail.message
+  if (/^OK/.exec(message)) {
+    ok(true, "Message from file : " + message);
+  } else if (/^KO/.exec(message)) {
+    error(message);
+  } else if (/DONE/.exec(message)) {
+    ok(true, "Audio playback success!");
+    finish();
+  } else {
+    error("Undefined event.");
+  }
+}
+
+function assert(aVal, aMessage) {
+  return (!aVal) ? error(aMessage) : 0;
+}
+
+function error(aMessage) {
+  ok(false, "Error : " + aMessage);
+  finish();
+}
+
+function finish() {
+  testFrame.removeEventListener('mozbrowsershowmodalprompt', alertListener);
+  document.body.removeChild(testFrame);
+  SimpleTest.finish();
+}
+
+function setCommand(aArg) {
+  assert(!!ac, "Audio channel doesn't exist!");
+  info("# Command = " + aArg);
+  testFrame.src = fileURL + '#' + aArg;
+
+  switch (aArg) {
+    case 'play':
+      ac.onactivestatechanged = () => {
+        ac.onactivestatechanged = null;
+        ok(true, "activestatechanged event received.");
+
+        new Promise(function(r, rr) {
+          ac.getMuted().onsuccess = function(e) {
+            is(e.target.result, true, "Muted channel by default");
+            r();
+          }
+        }).then(function() {
+          ac.setMuted(false).onsuccess = function(e) {
+            ok(true, "Unmuted the channel.");
+          }
+        });
+      };
+      break;
+    default :
+      error("Undefined command!");
+  }
+}
+
+function runTests() {
+  setCommand('play');
+}
+
+function setupTestFrame() {
+  testFrame = document.createElement('iframe');
+  testFrame.setAttribute('mozbrowser', 'true');
+  testFrame.src = fileURL;
+
+  function loadend() {
+    testFrame.removeEventListener('mozbrowserloadend', loadend);
+    ok("allowedAudioChannels" in testFrame, "allowedAudioChannels exist");
+    var channels = testFrame.allowedAudioChannels;
+    is(channels.length, 9, "9 audio channel by default");
+
+    ac = channels[0];
+    ok(ac instanceof BrowserElementAudioChannel, "Correct class");
+    ok("getMuted" in ac, "ac.getMuted exists");
+    ok("setMuted" in ac, "ac.setMuted exists");
+    ok("onactivestatechanged" in ac, "onactivestatechanged exists");
+
+    runTests();
+  }
+
+  info("Set EventListeners.");
+  testFrame.addEventListener('mozbrowsershowmodalprompt', alertListener);
+  testFrame.addEventListener('mozbrowserloadend', loadend);
+  document.body.appendChild(testFrame);
+}
+
+addEventListener('testready', function() {
+  SpecialPowers.pushPrefEnv({'set': [["b2g.system_startup_url", window.location.href],
+                                     ["dom.audiochannel.mutedByDefault", true]]},
+                            function() {
+    SimpleTest.executeSoon(setupTestFrame);
+  });
+});