| <!doctype html> |
| <title>MediaController events task source</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <script> |
| async_test(function(t) { |
| // Both MediaControllers should use the DOM manipulation task source, so the |
| // events should fire in the same order as the attributes are modified. |
| var mc1 = new MediaController(); |
| var mc2 = new MediaController(); |
| mc1.volume = 0; |
| mc2.volume = 0; |
| mc1.volume = 1; |
| mc2.volume = 1; |
| var targets = []; |
| var callback = t.step_func(function(event) { |
| targets.push(event.target); |
| if (targets.length == 4) { |
| assert_array_equals(targets, [mc1, mc2, mc1, mc2]); |
| t.done(); |
| } |
| }); |
| mc1.addEventListener('volumechange', callback); |
| mc2.addEventListener('volumechange', callback); |
| }); |
| </script> |
