69 lines
3.0 KiB
JavaScript
69 lines
3.0 KiB
JavaScript
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// Copyright 2021 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: --harmony-temporal
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// https://tc39.es/proposal-temporal/#sec-temporal.calendar.prototype.weekofyear
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let cal = new Temporal.Calendar("iso8601");
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// From https://en.wikipedia.org/wiki/ISO_week_date#Relation_with_the_Gregorian_calendar
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assertEquals(53, cal.weekOfYear(new Temporal.PlainDate(1977, 01, 01)));
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assertEquals(53, cal.weekOfYear(new Temporal.PlainDate(1977, 01, 02)));
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assertEquals(52, cal.weekOfYear(new Temporal.PlainDate(1977, 12, 31)));
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assertEquals(52, cal.weekOfYear(new Temporal.PlainDate(1978, 01, 01)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1978, 01, 02)));
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assertEquals(52, cal.weekOfYear(new Temporal.PlainDate(1978, 12, 31)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1979, 01, 01)));
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assertEquals(52, cal.weekOfYear(new Temporal.PlainDate(1979, 12, 30)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1979, 12, 31)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1980, 01, 01)));
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assertEquals(52, cal.weekOfYear(new Temporal.PlainDate(1980, 12, 28)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1980, 12, 29)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1980, 12, 30)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1980, 12, 31)));
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assertEquals(1, cal.weekOfYear(new Temporal.PlainDate(1981, 01, 01)));
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assertEquals(53, cal.weekOfYear(new Temporal.PlainDate(1981, 12, 31)));
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assertEquals(53, cal.weekOfYear(new Temporal.PlainDate(1982, 01, 01)));
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assertEquals(53, cal.weekOfYear(new Temporal.PlainDate(1982, 01, 02)));
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assertEquals(53, cal.weekOfYear(new Temporal.PlainDate(1982, 01, 03)));
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assertEquals(53, cal.weekOfYear("1977-01-01"));
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assertEquals(53, cal.weekOfYear("1977-01-02"));
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assertEquals(52, cal.weekOfYear("1977-12-31"));
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assertEquals(52, cal.weekOfYear("1978-01-01"));
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assertEquals(1, cal.weekOfYear("1978-01-02"));
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assertEquals(52, cal.weekOfYear("1978-12-31"));
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assertEquals(1, cal.weekOfYear("1979-01-01"));
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assertEquals(52, cal.weekOfYear("1979-12-30"));
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assertEquals(1, cal.weekOfYear("1979-12-31"));
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assertEquals(1, cal.weekOfYear("1980-01-01"));
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assertEquals(52, cal.weekOfYear("1980-12-28"));
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assertEquals(1, cal.weekOfYear("1980-12-29"));
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assertEquals(1, cal.weekOfYear("1980-12-30"));
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assertEquals(1, cal.weekOfYear("1980-12-31"));
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assertEquals(1, cal.weekOfYear("1981-01-01"));
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assertEquals(53, cal.weekOfYear("1981-12-31"));
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assertEquals(53, cal.weekOfYear("1982-01-01"));
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assertEquals(53, cal.weekOfYear("1982-01-02"));
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assertEquals(53, cal.weekOfYear("1982-01-03"));
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// TODO test the following later
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//assertEquals(4, cal.weekOfYear(new Temporal.PlainDateTime(1997, 1, 23, 5,
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// 30, 13)));
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//assertEquals(7, cal.weekOfYear(new Temporal.PlainMonthDay(2, 6)));
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//assertEquals(31, cal.weekOfYear(new Temporal.ZonedDateTime(
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// 86400n * 366n * 50n, "UTC")))
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//assertEquals(30, cal.weekOfYear({year: 2001, month: 9, day: 11}));
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