| <!doctype html> |
| <title>TextTrackCue.onenter</title> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <div id=log></div> |
| <script> |
| setup(function(){ |
| window.c1 = new VTTCue(0, 1, 'text1'); |
| window.ev = new Event('enter'); |
| window.ran = false; |
| window.cb = function() { ran = true; }; |
| }); |
| test(function(){ |
| assert_equals(c1.onenter, null, 'initial value'); |
| c1.onenter = undefined; |
| assert_equals(c1.onenter, null, 'assigning undefined'); |
| c1.onenter = cb; |
| assert_equals(c1.onenter, cb, 'assigning onenter'); |
| c1.dispatchEvent(ev); |
| assert_true(ran, 'dispatching event'); |
| c1.onenter = null; |
| assert_equals(c1.onenter, null, 'assigning null'); |
| ran = false; |
| c1.dispatchEvent(ev); |
| assert_false(ran, 'dispatching event after nulling onenter'); |
| }); |
| test(function(){ |
| c1.addEventListener('enter', cb, false); |
| c1.dispatchEvent(ev); |
| assert_true(ran); |
| c1.removeEventListener('enter', cb, false); |
| ran = false; |
| c1.dispatchEvent(ev); |
| assert_false(ran); |
| }, 'TextTrackCue.addEventListener/removeEventListener'); |
| </script> |
