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https://github.com/dart-lang/sdk
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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
110 lines
3.9 KiB
Dart
110 lines
3.9 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.9
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import "package:expect/expect.dart";
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// Dart test program for DateTime, far away dates.
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// TODO(37442): Find far-away dates with milliseconds-since-epoch values that
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// are 'web' integers.
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bool get supportsMicroseconds =>
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new DateTime.fromMicrosecondsSinceEpoch(1).microsecondsSinceEpoch == 1;
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void testFarAwayDates() {
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DateTime dt =
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new DateTime.fromMillisecondsSinceEpoch(1000000000000001, isUtc: true);
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Expect.equals(33658, dt.year);
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Expect.equals(9, dt.month);
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Expect.equals(27, dt.day);
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Expect.equals(1, dt.hour);
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Expect.equals(46, dt.minute);
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Expect.equals(40, dt.second);
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Expect.equals(1, dt.millisecond);
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Expect.equals(0, dt.microsecond);
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dt = new DateTime.fromMillisecondsSinceEpoch(-1000000000000001, isUtc: true);
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Expect.equals(-29719, dt.year);
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Expect.equals(4, dt.month);
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Expect.equals(5, dt.day);
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Expect.equals(22, dt.hour);
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Expect.equals(13, dt.minute);
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Expect.equals(19, dt.second);
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Expect.equals(999, dt.millisecond);
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Expect.equals(0, dt.microsecond);
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// Same with local zone.
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dt = new DateTime.fromMillisecondsSinceEpoch(1000000000000001);
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Expect.equals(33658, dt.year);
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Expect.equals(9, dt.month);
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Expect.equals(true, dt.day == 27 || dt.day == 26);
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// Not much we can test for local hour.
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Expect.equals(true, dt.hour >= 0 && dt.hour < 24);
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// Timezones can have offsets down to 15 minute.
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Expect.equals(true, dt.minute % 15 == 46 % 15);
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Expect.equals(40, dt.second);
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Expect.equals(1, dt.millisecond);
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Expect.equals(0, dt.microsecond);
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dt = new DateTime.fromMillisecondsSinceEpoch(-1000000000000001);
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Expect.equals(-29719, dt.year);
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Expect.equals(4, dt.month);
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Expect.equals(true, 5 == dt.day || 6 == dt.day);
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// Not much we can test for local hour.
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Expect.equals(true, dt.hour >= 0 && dt.hour < 24);
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// Timezones can have offsets down to 15 minute.
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Expect.equals(true, dt.minute % 15 == 13);
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Expect.equals(19, dt.second);
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Expect.equals(999, dt.millisecond);
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Expect.equals(0, dt.microsecond);
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if (!supportsMicroseconds) return;
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dt =
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new DateTime.fromMicrosecondsSinceEpoch(1000000000000000001, isUtc: true);
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Expect.equals(33658, dt.year);
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Expect.equals(9, dt.month);
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Expect.equals(27, dt.day);
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Expect.equals(1, dt.hour);
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Expect.equals(46, dt.minute);
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Expect.equals(40, dt.second);
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Expect.equals(0, dt.millisecond);
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Expect.equals(1, dt.microsecond);
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dt = new DateTime.fromMicrosecondsSinceEpoch(-1000000000000000001,
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isUtc: true);
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Expect.equals(-29719, dt.year);
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Expect.equals(4, dt.month);
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Expect.equals(5, dt.day);
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Expect.equals(22, dt.hour);
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Expect.equals(13, dt.minute);
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Expect.equals(19, dt.second);
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Expect.equals(999, dt.millisecond);
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Expect.equals(999, dt.microsecond);
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// Same with local zone.
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dt = new DateTime.fromMicrosecondsSinceEpoch(1000000000000000001);
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Expect.equals(33658, dt.year);
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Expect.equals(9, dt.month);
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Expect.equals(true, dt.day == 27 || dt.day == 26);
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// Not much we can test for local hour.
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Expect.equals(true, dt.hour >= 0 && dt.hour < 24);
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// Timezones can have offsets down to 15 minute.
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Expect.equals(true, dt.minute % 15 == 46 % 15);
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Expect.equals(40, dt.second);
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Expect.equals(0, dt.millisecond);
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Expect.equals(1, dt.microsecond);
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dt = new DateTime.fromMicrosecondsSinceEpoch(-1000000000000000001);
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Expect.equals(-29719, dt.year);
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Expect.equals(4, dt.month);
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Expect.equals(true, 5 == dt.day || 6 == dt.day);
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// Not much we can test for local hour.
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Expect.equals(true, dt.hour >= 0 && dt.hour < 24);
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// Timezones can have offsets down to 15 minute.
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Expect.equals(true, dt.minute % 15 == 13);
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Expect.equals(19, dt.second);
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Expect.equals(999, dt.millisecond);
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Expect.equals(999, dt.microsecond);
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}
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void main() {
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testFarAwayDates();
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}
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