49 lines
1.9 KiB
JavaScript
49 lines
1.9 KiB
JavaScript
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// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --icu-timezone-data
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// Environment Variables: TZ=Pacific/Apia
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// https://www.timeanddate.com/time/zone/samoa/apia
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// 2011-09-24T03:00 : UTC-11 => UTC-10
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assertEquals(new Date(Date.UTC(2011, 8, 24, 13, 59)),
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new Date(2011, 8, 24, 2, 59))
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assertEquals(new Date(Date.UTC(2011, 8, 24, 14, 30)),
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new Date(2011, 8, 24, 3, 30));
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assertEquals(new Date(Date.UTC(2011, 8, 24, 14)),
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new Date(2011, 8, 24, 4));
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assertEquals(new Date(Date.UTC(2011, 8, 24, 14, 30)),
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new Date(2011, 8, 24, 4, 30));
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assertEquals((new Date(2011, 8, 24, 4, 30)).getTimezoneOffset(),
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(new Date(2011, 8, 24, 3, 30)).getTimezoneOffset());
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// 2011-12-30T00:00 : UTC-10 => UTC+14
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// A whole day(2011-12-30; 24 hours) is skipped, but the skipped
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// time is to be interpreted with an offset before the transition.
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assertEquals(new Date(Date.UTC(2011, 11, 30, 9, 59)),
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new Date(2011, 11, 29, 23, 59));
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for (var h = 0; h < 24; ++h) {
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assertEquals(new Date(Date.UTC(2011, 11, 30, h + 10)),
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new Date(2011, 11, 30, h));
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assertEquals(new Date(Date.UTC(2011, 11, 30, h + 10, 30)),
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new Date(2011, 11, 30, h, 30));
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assertEquals(new Date(Date.UTC(2011, 11, 30, h + 10)),
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new Date(2011, 11, 31, h));
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assertEquals(new Date(Date.UTC(2011, 11, 30, h + 10, 30)),
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new Date(2011, 11, 31, h, 30));
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}
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assertEquals(new Date(Date.UTC(2011, 11, 31, 10)),
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new Date(2012, 0, 1, 0));
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// 2012-04-01T0400: UTC+14 => UTC+13
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assertEquals(new Date(Date.UTC(2012, 2, 31, 13)),
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new Date(2012, 3, 1, 3));
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assertEquals(new Date(Date.UTC(2012, 2, 31, 13, 30)),
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new Date(2012, 3, 1, 3, 30));
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assertEquals(new Date(Date.UTC(2012, 2, 31, 13, 59)),
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new Date(2012, 3, 1, 3, 59))
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assertEquals(new Date(Date.UTC(2012, 2, 31, 15)),
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new Date(2012, 3, 1, 4))
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