| <!DOCTYPE html> |
| <title>Media Controls: volume slider accessibility tests</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../media-controls.js"></script> |
| <video controls></video> |
| <script> |
| async_test(t => { |
| // Ensure that we will show the volume slider. |
| setPreferHiddenVolumeControlsForTest(t, false); |
| |
| assert_true(internals.runtimeFlags.accessibilityObjectModelEnabled); |
| |
| var video = document.querySelector('video'); |
| video.src = '../content/test.ogv'; |
| |
| video.onloadedmetadata = t.step(function() { |
| |
| var volume_slider = volumeSliderElement(video); |
| assert_not_equals(volume_slider, null); |
| |
| assert_equals(volume_slider.getAttribute('aria-label'), 'volume'); |
| assert_equals(volume_slider.getAttribute('aria-valuemin'), '0'); |
| assert_equals(volume_slider.getAttribute('aria-valuemax'), '100'); |
| assert_equals(volume_slider.getAttribute('aria-valuenow'), '100'); |
| |
| // Trigger events that will update the timeline internal state. |
| video.volume = 0.54; |
| video.onvolumechange = t.step_func_done(function(event) { |
| assert_equals(volume_slider.getAttribute('aria-valuenow'), '54'); |
| }); |
| }); |
| }); |
| </script> |
