31 lines
892 B
HTML
31 lines
892 B
HTML
<!doctype html>
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<meta charset=utf-8>
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<script src="../testcommon.js"></script>
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<body>
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<script>
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'use strict';
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// If the originTime parameter passed to the DocumentTimeline exceeds
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// the range of the internal storage type (a signed 64-bit integer number
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// of ticks--a platform-dependent unit) then we should throw.
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// Infinity isn't allowed as an origin time value and clamping to just
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// inside the allowed range will just mean we overflow elsewhere.
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test(function(t) {
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assert_throws({ name: 'TypeError'},
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function() {
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new DocumentTimeline({ originTime: Number.MAX_SAFE_INTEGER });
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});
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}, 'Calculated current time is positive infinity');
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test(function(t) {
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assert_throws({ name: 'TypeError'},
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function() {
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new DocumentTimeline({ originTime: -1 * Number.MAX_SAFE_INTEGER });
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});
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}, 'Calculated current time is negative infinity');
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done();
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</script>
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</body>
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