| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
| |
| <script src=../media-file.js></script> |
| <script src=../video-test.js></script> |
| <script> |
| function loaded() |
| { |
| expectedData = new Uint8Array([4, 5, 2, 1, 9]); |
| cue = new DataCue(3, 10, expectedData.buffer); |
| |
| consoleWrite("<br>*** Test DataCue's TextTrackCue interface."); |
| testExpected("cue", TextTrackCue, "instanceof"); |
| testExpected("cue.track", null); |
| testExpected("cue.id", ""); |
| testExpected("cue.startTime", 3); |
| testExpected("cue.endTime", 10); |
| testExpected("cue.pauseOnExit", false); |
| |
| consoleWrite("<br>*** Test DataCue interface."); |
| testExpected("cue", DataCue, "instanceof"); |
| testArraysEqual("new Uint8Array(cue.data)", expectedData); |
| |
| // https://www.w3.org/Bugs/Public/show_bug.cgi?id=24687 |
| consoleWrite("<br>*** Changing the original buffer data should not effect DataCue.data."); |
| |
| // Passing data to constructor then changing the original buffer |
| run("expectedData[0] = 7"); |
| testExpected("new Uint8Array(cue.data)[0]", 4); |
| |
| // Setting .data then changing the original buffer |
| run("cue.data = expectedData.buffer"); |
| testExpected("new Uint8Array(cue.data)[0]", 7); |
| run("expectedData[0] = 11"); |
| testExpected("new Uint8Array(cue.data)[0]", 7); |
| |
| // Getting .data then changing the original buffer |
| run("new Uint8Array(cue.data)[0] = 8"); |
| testExpected("(new Uint8Array(cue.data))[0]", 7); |
| |
| consoleWrite("<br>*** Throw exception if data is not an ArrayBuffer."); |
| var error = "'TypeError: The DataCue.data attribute must be an instance of ArrayBuffer'"; |
| testException("cue.data = null", error); |
| testException("cue.data = 'test'", error); |
| testException("cue.data = [5]", error); |
| |
| consoleWrite("<br>*** Constructor with value argument."); |
| testExpected("new DataCue(1, 2, null).value", null, "==="); |
| testExpected("new DataCue(1, 2, 'test').value", 'test', "==="); |
| testArraysEqual("new DataCue(1, 2, [5]).value", [5]); |
| |
| consoleWrite("<br>*** Test adding DataCue to track with kind = 'metadata'."); |
| var video = document.createElement("video"); |
| metadataTrack = video.addTextTrack("metadata"); |
| metadataTrack.addCue(cue); |
| |
| testExpected("cue.track", metadataTrack); |
| testExpected("metadataTrack.cues[0]", cue); |
| |
| consoleWrite("<br>*** Test adding DataCue to track with kind != 'metadata'."); |
| ["subtitles", "captions", "descriptions", "chapters"].forEach(function(kind) { |
| track = video.addTextTrack(kind); |
| |
| testDOMException("track.addCue(cue)", "DOMException.INVALID_NODE_TYPE_ERR"); |
| testExpected("track.cues.length", 0); |
| }); |
| |
| endTest(); |
| } |
| </script> |
| </head> |
| <body onload="loaded()"> |
| <p>Tests DataCue interface</p> |
| </body> |
| </html> |
