Index: LayoutTests/http/tests/media/media-source/mediasource-util.js |
diff --git a/LayoutTests/http/tests/media/media-source/mediasource-util.js b/LayoutTests/http/tests/media/media-source/mediasource-util.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..90a8f4daf1e252a5715bb4caa4aea61b0d512b7a |
--- /dev/null |
+++ b/LayoutTests/http/tests/media/media-source/mediasource-util.js |
@@ -0,0 +1,202 @@ |
+(function(window) { |
+ EventExpectationsManager = function(test) { |
+ this.test_ = test; |
+ this.eventTargetList_ = []; |
+ this.waitCallbacks_ = []; |
+ }; |
+ |
+ EventExpectationsManager.prototype.expectEvent = function(object, eventName, description) |
+ { |
+ var eventInfo = { 'target': object, 'type': eventName, 'description': description}; |
+ var expectations = this.getExpectations_(object); |
+ expectations.push(eventInfo); |
+ |
+ var t = this; |
+ var waitHandler = this.test_.step_func(function() { t.handleWaitCallback_(); }); |
+ var eventHandler = this.test_.step_func(function(event) |
+ { |
+ object.removeEventListener(eventName, eventHandler); |
+ var expected = expectations[0]; |
+ assert_equals(event.target, expected.target, "Event target match."); |
+ assert_equals(event.type, expected.type, "Event types match."); |
+ assert_equals(eventInfo.description, expected.description, "Descriptions match for '" + event.type + "'."); |
+ |
+ expectations.shift(1); |
+ if (t.waitCallbacks_.length > 0) |
+ setTimeout(waitHandler, 0); |
+ }); |
+ object.addEventListener(eventName, eventHandler); |
+ }; |
+ |
+ EventExpectationsManager.prototype.waitForExpectedEvents = function(callback) |
+ { |
+ this.waitCallbacks_.push(callback); |
+ setTimeout(this.handleWaitCallback_.bind(this), 0); |
+ }; |
+ |
+ EventExpectationsManager.prototype.expectingEvents = function() |
+ { |
+ for (var i = 0; i < this.eventTargetList_.length; ++i) { |
+ if (this.eventTargetList_[i].expectations.length > 0) { |
+ return true; |
+ } |
+ } |
+ return false; |
+ } |
+ |
+ EventExpectationsManager.prototype.handleWaitCallback_ = function() |
+ { |
+ if (this.waitCallbacks_.length == 0 || this.expectingEvents()) |
+ return; |
+ var callback = this.waitCallbacks_.shift(1); |
+ callback(); |
+ }; |
+ |
+ EventExpectationsManager.prototype.getExpectations_ = function(target) |
+ { |
+ for (var i = 0; i < this.eventTargetList_.length; ++i) { |
+ var info = this.eventTargetList_[i]; |
+ if (info.target == target) { |
+ return info.expectations; |
+ } |
+ } |
+ var expectations = []; |
+ this.eventTargetList_.push({ 'target': target, 'expectations': expectations }); |
+ return expectations; |
+ }; |
+ |
+ function loadData_(test, url, callback, isBinary) |
+ { |
+ var request = new XMLHttpRequest(); |
+ request.open("GET", url, true); |
+ if (isBinary) { |
+ request.responseType = 'arraybuffer'; |
+ } |
+ request.onload = test.step_func(function(event) |
+ { |
+ if (request.status != 200) { |
+ assert_unreached("Unexpected status code : " + request.status); |
+ return; |
+ } |
+ var response = request.response; |
+ if (isBinary) { |
+ response = new Uint8Array(response); |
+ } |
+ callback(new Uint8Array(response)); |
+ }); |
+ request.onerror = test.step_func(function(event) |
+ { |
+ assert_unreached("Unexpected error"); |
+ }); |
+ request.send(); |
+ } |
+ |
+ function openMediaSource_(test, mediaTag, callback) |
+ { |
+ var mediaSource = new MediaSource(); |
+ var mediaSourceURL = URL.createObjectURL(mediaSource); |
+ |
+ var eventHandler = test.step_func(onSourceOpen); |
+ function onSourceOpen(event) |
+ { |
+ mediaSource.removeEventListener('sourceopen', eventHandler); |
+ URL.revokeObjectURL(mediaSourceURL); |
+ callback(mediaSource); |
+ } |
+ |
+ mediaSource.addEventListener('sourceopen', eventHandler); |
+ mediaTag.src = mediaSourceURL; |
+ } |
+ |
+ var MediaSourceUtil = {}; |
+ |
+ MediaSourceUtil.loadTextData = function(test, url, callback) |
+ { |
+ loadData_(test, url, callback, false); |
+ }; |
+ |
+ MediaSourceUtil.loadBinaryData = function(test, url, callback) |
+ { |
+ loadData_(test, url, callback, true); |
+ }; |
+ |
+ function getFirstSupportedType(typeList) |
+ { |
+ for (var i = 0; i < typeList.length; ++i) { |
+ if (MediaSource.isTypeSupported(typeList[i])) |
+ return typeList[i]; |
+ } |
+ return ""; |
+ } |
+ |
+ var audioOnlyTypes = ['audio/webm;codecs="vorbis"', 'audio/mp4;codecs="mp4a.40.2"']; |
+ var videoOnlyTypes = ['video/webm;codecs="vp8"', 'video/mp4;codecs="avc1.4D4001"']; |
+ var audioVideoTypes = ['video/webm;codecs="vp8,vorbis"', 'video/mp4;codecs="mp4a.40.2"']; |
+ MediaSourceUtil.AUDIO_ONLY_TYPE = getFirstSupportedType(audioOnlyTypes); |
+ MediaSourceUtil.VIDEO_ONLY_TYPE = getFirstSupportedType(videoOnlyTypes); |
+ MediaSourceUtil.AUDIO_VIDEO_TYPE = getFirstSupportedType(audioVideoTypes); |
+ |
+ function addExtraTestMethods(test) |
+ { |
+ test.failOnEvent = function(object, eventName) |
+ { |
+ object.addEventListener(eventName, test.step_func(function(event) |
+ { |
+ assert_unreached("Unexpected event '" + eventName + "'"); |
+ })); |
+ }; |
+ |
+ test.endOnEvent = function(object, eventName) |
+ { |
+ object.addEventListener(eventName, test.step_func(function(event) { test.done(); })); |
+ }; |
+ |
+ test.eventExpectations_ = new EventExpectationsManager(test); |
+ test.expectEvent = function(object, eventName, description) |
+ { |
+ test.eventExpectations_.expectEvent(object, eventName, description); |
+ }; |
+ |
+ test.waitForExpectedEvents = function(callback) |
+ { |
+ test.eventExpectations_.waitForExpectedEvents(callback); |
+ }; |
+ |
+ var oldTestDone = test.done.bind(test); |
+ test.done = function() |
+ { |
+ if (test.status == test.PASS) |
+ assert_false(test.eventExpectations_.expectingEvents(), "No pending event expectations."); |
+ oldTestDone(); |
+ }; |
+ }; |
+ |
+ window['MediaSourceUtil'] = MediaSourceUtil; |
+ window['mediasource_test'] = function(testFunction, description) |
+ { |
+ return async_test(function(test) { |
+ var mediaTag = document.createElement("video"); |
+ document.body.appendChild(mediaTag); |
+ |
+ addExtraTestMethods(test); |
+ |
+ // Overload done() so that element added to the document can be removed. |
+ test.removeMediaElement_ = true; |
+ var oldTestDone = test.done.bind(test); |
+ test.done = function() |
+ { |
+ if (test.removeMediaElement_) { |
+ document.body.removeChild(mediaTag); |
+ test.removeMediaElement_ = false; |
+ } |
+ oldTestDone(); |
+ }; |
+ |
+ openMediaSource_(test, mediaTag, function(mediaSource) |
+ { |
+ testFunction(test, mediaTag, mediaSource); |
+ }); |
+ }, description); |
+ |
+ }; |
+})(window); |