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26 lines
786 B
JavaScript
26 lines
786 B
JavaScript
// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: |
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Verify that the given date object's Number representation describes the
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correct number of milliseconds since the Unix epoch relative to the local
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time zone (as interpreted at the specified date).
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defines: [assertRelativeDateMs]
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---*/
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/**
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* @param {Date} date
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* @param {Number} expectedMs
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*/
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function assertRelativeDateMs(date, expectedMs) {
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var actualMs = date.valueOf();
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var localOffset = date.getTimezoneOffset() * 60000;
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if (actualMs - localOffset !== expectedMs) {
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throw new Test262Error(
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'Expected ' + date + ' to be ' + expectedMs +
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' milliseconds from the Unix epoch'
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);
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}
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}
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