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| (Empty) | |
| 1 <!doctype html> |
| 2 <title>volumechange event</title> |
| 3 <script src="../../../../../../resources/testharness.js"></script> |
| 4 <script src="../../../../../../resources/testharnessreport.js"></script> |
| 5 <div id="log"></div> |
| 6 <script> |
| 7 function volumechange_test(tagName) { |
| 8 async_test(function(t) { |
| 9 var e = document.createElement(tagName); |
| 10 assert_equals(e.volume, 1); |
| 11 e.volume = 0.5; |
| 12 assert_equals(e.volume, 0.5); |
| 13 e.onvolumechange = t.step_func(function() { |
| 14 assert_equals(e.volume, 0.5); |
| 15 e.volume = 1; |
| 16 assert_equals(e.volume, 1); |
| 17 e.onvolumechange = t.step_func(function() { |
| 18 assert_equals(e.volume, 1); |
| 19 t.done(); |
| 20 }); |
| 21 }); |
| 22 }, "setting " + tagName + ".volume fires volumechange"); |
| 23 |
| 24 async_test(function(t) { |
| 25 var e = document.createElement(tagName); |
| 26 assert_false(e.muted); |
| 27 e.muted = true; |
| 28 assert_true(e.muted); |
| 29 e.onvolumechange = t.step_func(function() { |
| 30 assert_true(e.muted); |
| 31 e.muted = false; |
| 32 assert_false(e.muted); |
| 33 e.onvolumechange = t.step_func(function() { |
| 34 assert_false(e.muted); |
| 35 t.done(); |
| 36 }); |
| 37 }); |
| 38 }, "setting " + tagName + ".muted fires volumechange"); |
| 39 |
| 40 async_test(function(t) { |
| 41 var e = document.createElement(tagName); |
| 42 e.volume = e.volume; |
| 43 e.muted = e.muted; |
| 44 e.onvolumechange = t.step_func(function() { |
| 45 assert_unreached(); |
| 46 }); |
| 47 var e2 = document.createElement(tagName); |
| 48 e2.muted = !e2.muted; |
| 49 e2.onvolumechange = t.step_func(function() { |
| 50 t.done(); |
| 51 }); |
| 52 }, "setting " + tagName + ".volume/muted to the same value does not fire volum
echange"); |
| 53 |
| 54 async_test(function(t) { |
| 55 var e = document.createElement(tagName); |
| 56 e.muted = !e.muted; |
| 57 e.volume = 1 - e.volume; |
| 58 e.muted = !e.muted; |
| 59 e.volume = 1 - e.volume; |
| 60 var volumechange_count = 0; |
| 61 e.onvolumechange = t.step_func(function() { |
| 62 volumechange_count++; |
| 63 if (volumechange_count == 4) { |
| 64 t.done(); |
| 65 } |
| 66 }); |
| 67 }, "setting " + tagName + ".volume/muted repeatedly fires volumechange repeate
dly"); |
| 68 } |
| 69 |
| 70 volumechange_test("audio"); |
| 71 volumechange_test("video"); |
| 72 </script> |
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Chromium Code Reviews
Issue 1144143009:
W3C Test: Import web-platform-tests/html/semantics (Closed)
Base URL: svn://svn.chromium.org/blink/trunk