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| 1 <!doctype html> |
| 2 <title>VTTRegion.lines</title> |
| 3 <link rel="help" href="https://w3c.github.io/webvtt/#dom-vttregion-lines"> |
| 4 <script src=/resources/testharness.js></script> |
| 5 <script src=/resources/testharnessreport.js></script> |
| 6 <div id=log></div> |
| 7 <script> |
| 8 test(function() { |
| 9 var region = new VTTRegion(); |
| 10 |
| 11 for (var i = 1; i <= 100; i++) { |
| 12 region.lines = i; |
| 13 assert_equals(region.lines, i); |
| 14 } |
| 15 |
| 16 // https://heycam.github.io/webidl/#abstract-opdef-converttoint |
| 17 [[0, 0], |
| 18 [-0, 0], |
| 19 [101, 101], |
| 20 [2147483647, 2147483647], |
| 21 [NaN, 0], |
| 22 [Infinity, 0], |
| 23 [-Infinity, 0]].forEach(function (pair) { |
| 24 var input = pair[0]; |
| 25 var expected = pair[1]; |
| 26 region.lines = input; |
| 27 assert_equals(region.lines, expected); |
| 28 }); |
| 29 |
| 30 [-1, -100, -2147483648, 2147483648 /* wraps to -2147483648 */].forEach(funct
ion (invalid) { |
| 31 assert_throws('IndexSizeError', function() { |
| 32 region.lines = invalid; |
| 33 }, invalid); |
| 34 }); |
| 35 }, document.title + ' script-created region'); |
| 36 </script> |
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