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comparison: content/media/test/test_load_same_resource.html
content/media/test/test_load_same_resource.html
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:494e503fa9f9 |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Test loading of the same resource in multiple elements</title> | |
| 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> | |
| 7 <script type="text/javascript" src="manifest.js"></script> | |
| 8 </head> | |
| 9 <body> | |
| 10 | |
| 11 <pre id="test"> | |
| 12 <script class="testbody" type="text/javascript"> | |
| 13 | |
| 14 var manager = new MediaTestManager; | |
| 15 | |
| 16 function cloneLoaded(event) { | |
| 17 ok(true, "Clone loaded OK"); | |
| 18 var e = event.target; | |
| 19 | |
| 20 if (e._expectedDuration) { | |
| 21 ok(Math.abs(e.duration - e._expectedDuration) < 0.1, | |
| 22 "Clone " + e.currentSrc + " duration: " + e.duration + " expected: " + e._expectedDuration); | |
| 23 } | |
| 24 | |
| 25 e.removeEventListener("loadeddata", cloneLoaded, false); | |
| 26 removeNodeAndSource(e); | |
| 27 manager.finished(e.token); | |
| 28 } | |
| 29 | |
| 30 function tryClone(event) { | |
| 31 var e = event.target; | |
| 32 var clone = e.cloneNode(false); | |
| 33 clone.token = e.token; | |
| 34 | |
| 35 if (e._expectedDuration) { | |
| 36 ok(Math.abs(e.duration - e._expectedDuration) < 0.1, | |
| 37 e.currentSrc + " duration: " + e.duration + " expected: " + e._expectedDuration); | |
| 38 clone._expectedDuration = e._expectedDuration; | |
| 39 } | |
| 40 | |
| 41 clone.addEventListener("loadeddata", cloneLoaded, false); | |
| 42 clone.onloadstart = function(evt) { | |
| 43 info("cloned " + evt.target.token + " start loading."); | |
| 44 evt.target.onloadstart = null; | |
| 45 // Since there is only one H264 decoder instance, we have to delete the | |
| 46 // decoder of the original element for the cloned element to load. However, | |
| 47 // we can't delete the decoder too early otherwise cloning decoder will | |
| 48 // fail to kick in. We wait for 'loadstart' event of the cloned element to | |
| 49 // know when the decoder is already cloned and we can delete the decoder of | |
| 50 // the original element. | |
| 51 removeNodeAndSource(e); | |
| 52 } | |
| 53 | |
| 54 e.removeEventListener("loadeddata", tryClone, false); | |
| 55 } | |
| 56 | |
| 57 // This test checks that loading the same URI twice in different elements at the same time | |
| 58 // uses the same resource without doing another network fetch. One of the gCloneTests | |
| 59 // uses dynamic_resource.sjs to return one resource on the first fetch and a different resource | |
| 60 // on the second fetch. These resources have different lengths, so if the cloned element | |
| 61 // does a network fetch it will get a resource with the wrong length and we get a test | |
| 62 // failure. | |
| 63 | |
| 64 function initTest(test, token) { | |
| 65 var elemType = /^audio/.test(test.type) ? "audio" : "video"; | |
| 66 var e = document.createElement(elemType); | |
| 67 e.preload = "auto"; | |
| 68 if (e.canPlayType(test.type)) { | |
| 69 e.src = test.name; | |
| 70 if (test.duration) { | |
| 71 e._expectedDuration = test.duration; | |
| 72 } | |
| 73 ok(true, "Trying to load " + test.name); | |
| 74 e.addEventListener("loadeddata", tryClone, false); | |
| 75 e.load(); | |
| 76 e.token = token; | |
| 77 manager.started(token); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 manager.runTests(gCloneTests, initTest); | |
| 82 | |
| 83 </script> | |
| 84 </pre> | |
| 85 </body> | |
| 86 </html> |
