| <!doctype html> |
| <html> |
| <head> |
| <title>AudioTrack.enabled change</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| async_test(function(t) |
| { |
| var audio = document.createElement("audio"); |
| audio.src = "../content/test.oga"; |
| |
| audio.onloadedmetadata = t.step_func(function() |
| { |
| assert_equals(audio.audioTracks.length, 1, "audioTracks.length"); |
| assert_true(audio.audioTracks[0].enabled, "audioTrack.enabled (initial)"); |
| audio.audioTracks[0].enabled = false; |
| assert_false(audio.audioTracks[0].enabled, "audioTrack.enabled (first setter)"); |
| |
| audio.audioTracks.onchange = t.step_func(function() |
| { |
| assert_false(audio.audioTracks[0].enabled, "audioTrack.enabled (first change event)"); |
| audio.audioTracks[0].enabled = true; |
| assert_true(audio.audioTracks[0].enabled, "audioTrack.enabled (second setter)"); |
| |
| audio.audioTracks.onchange = t.step_func_done(function() |
| { |
| assert_true(audio.audioTracks[0].enabled, "audioTrack.enabled (second change event)"); |
| }); |
| }); |
| }); |
| }, "AudioTrack.enabled = false"); |
| </script> |
| </body> |
| </html> |
