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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Set MediaKeys multiple times in parallel</title> |
| 5 <script src="encrypted-media-utils.js"></script> |
| 6 <script src="../../resources/testharness.js"></script> |
| 7 <script src="../../resources/testharnessreport.js"></script> |
| 8 </head> |
| 9 <body> |
| 10 <video id="video"></video> |
| 11 <div id="log"></div> |
| 12 <script> |
| 13 // Wait for an 'encrypted' event as a promise. |
| 14 function wait_for_encrypted_event(video) |
| 15 { |
| 16 return new Promise(function(resolve) { |
| 17 video.addEventListener('encrypted', function listener(e) { |
| 18 video.removeEventListener(listener); |
| 19 resolve(); |
| 20 }); |
| 21 }); |
| 22 }; |
| 23 |
| 24 // Return a promise that calls setMediaKeys() and returns 1 if |
| 25 // resolved, 0 if rejected. If |must_succeed| is true, then |
| 26 // setMediaKeys() should not fail. |
| 27 function setMediaKeys_as_count(video, mediaKeys, must_succeed) |
| 28 { |
| 29 return video.setMediaKeys(mediaKeys).then(function() { |
| 30 return 1; |
| 31 }, function() { |
| 32 assert_false(must_succeed); |
| 33 return 0; |
| 34 }); |
| 35 }; |
| 36 |
| 37 // Return the sum of the results from |promises|. Each promise |
| 38 // must return a number. |
| 39 function count_promise_results(promises) |
| 40 { |
| 41 var count = 0; |
| 42 var result = Promise.resolve(null); |
| 43 |
| 44 promises.forEach(function(promise) { |
| 45 result = result.then(function() { |
| 46 return promise; |
| 47 }).then(function(i) { |
| 48 count += i; |
| 49 }); |
| 50 }); |
| 51 |
| 52 return result.then(function() { return count; }); |
| 53 }; |
| 54 |
| 55 promise_test(function(test) |
| 56 { |
| 57 var video = document.getElementById('video'); |
| 58 var access; |
| 59 var mediaKeys1; |
| 60 var mediaKeys2; |
| 61 var mediaKeys3; |
| 62 var mediaKeys4; |
| 63 var mediaKeys5; |
| 64 |
| 65 // Start a video now so that it is waiting for MediaKeys |
| 66 // in order to continue. |
| 67 video.src = '../content/test-encrypted.webm'; |
| 68 video.play(); |
| 69 return wait_for_encrypted_event(video).then(function() { |
| 70 return navigator.requestMediaKeySystemAccess('org.w3.clearke
y', [{}]); |
| 71 }).then(function(result) { |
| 72 access = result; |
| 73 return access.createMediaKeys(); |
| 74 }).then(function(result) { |
| 75 mediaKeys1 = result; |
| 76 return access.createMediaKeys(); |
| 77 }).then(function(result) { |
| 78 mediaKeys2 = result; |
| 79 return access.createMediaKeys(); |
| 80 }).then(function(result) { |
| 81 mediaKeys3 = result; |
| 82 return access.createMediaKeys(); |
| 83 }).then(function(result) { |
| 84 mediaKeys4 = result; |
| 85 return access.createMediaKeys(); |
| 86 }).then(function(result) { |
| 87 mediaKeys5 = result; |
| 88 // Create 5 calls to setMediaKeys(). The first one must |
| 89 // succeed, the others are optional. |
| 90 var p1 = setMediaKeys_as_count(video, mediaKeys1, true); |
| 91 var p2 = setMediaKeys_as_count(video, mediaKeys2, false); |
| 92 var p3 = setMediaKeys_as_count(video, mediaKeys3, false); |
| 93 var p4 = setMediaKeys_as_count(video, mediaKeys4, false); |
| 94 var p5 = setMediaKeys_as_count(video, mediaKeys5, false); |
| 95 return count_promise_results([p1, p2, p3, p4, p5]); |
| 96 }).then(function(count) { |
| 97 // At least one of the setMediaKeys() calls should have |
| 98 // succeeded. |
| 99 assert_greater_than(count, 0); |
| 100 }); |
| 101 }, 'Set MediaKeys multiple times in parallel.'); |
| 102 </script> |
| 103 </body> |
| 104 </html> |
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Chromium Code Reviews
Issue 1256023004:
Add EME test to attempt multiple calls to setMediaKeys() (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master