| <!doctype html> |
| <title>playbackRate</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=log></div> |
| <script> |
| test(function() { |
| var v = document.createElement('video'); |
| assert_equals(v.playbackRate, 1); |
| }, 'playbackRate initial value'); |
| |
| function testPlaybackRateHelper(t, newPlaybackRate) { |
| var v = document.createElement('video'); |
| var initialRate = v.playbackRate; |
| |
| v.addEventListener('ratechange', t.step_func_done(function() { |
| assert_equals(v.playbackRate, newPlaybackRate); |
| })); |
| |
| try { |
| v.playbackRate = newPlaybackRate; |
| } catch(e) { |
| assert_equals(e.name, 'NotSupportedError'); |
| assert_equals(v.playbackRate, initialRate); |
| t.done(); |
| } |
| } |
| |
| async_test(function(t) { |
| testPlaybackRateHelper(this, 3); |
| }, "playbackRate set to small positive value"); |
| |
| async_test(function(t) { |
| testPlaybackRateHelper(this, 100); |
| }, "playbackRate set to large positive value"); |
| |
| async_test(function(t) { |
| testPlaybackRateHelper(this, -3); |
| }, "playbackRate set to small negative value"); |
| |
| async_test(function(t) { |
| testPlaybackRateHelper(this, -100); |
| }, "playbackRate set to large negative value"); |
| |
| async_test(function(t) { |
| testPlaybackRateHelper(this, 0); |
| }, "playbackRate set to 0"); |
| |
| async_test(function(t) { |
| testPlaybackRateHelper(this, -1); |
| }, "playbackRate set to -1"); |
| |
| </script> |
