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https://github.com/dart-lang/sdk
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6e4e12922a
This change has been discussed for 8+ years and it would of course be preferred to be added as an instance method, but since that is a breaking change I added it as an extension as discussed here: https://github.com/dart-lang/sdk/issues/24644#issuecomment-1241695835 Change-Id: Iebb9f300e449920ae8891abac88f30b271321661 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/258541 Commit-Queue: Lasse Nielsen <lrn@google.com> Reviewed-by: Nate Bosch <nbosch@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com>
91 lines
2.5 KiB
Dart
91 lines
2.5 KiB
Dart
// Copyright (c) 2012, 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.copyWith.
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testCopyWith(
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DateTime original,
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int year,
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int month,
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int day,
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int hour,
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int minute,
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int second,
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int millisecond,
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bool isUtc,
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) {
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final result = original.copyWith(
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year: year,
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month: month,
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day: day,
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hour: hour,
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minute: minute,
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second: second,
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millisecond: millisecond,
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isUtc: isUtc,
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);
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final expected = isUtc
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? DateTime.utc(
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year != null ? year : original.year,
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month != null ? month : original.month,
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day != null ? day : original.day,
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hour != null ? hour : original.hour,
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minute != null ? minute : original.minute,
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second != null ? second : original.second,
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millisecond != null ? millisecond : original.millisecond,
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)
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: DateTime(
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year != null ? year : original.year,
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month != null ? month : original.month,
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day != null ? day : original.day,
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hour != null ? hour : original.hour,
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minute != null ? minute : original.minute,
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second != null ? second : original.second,
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millisecond != null ? millisecond : original.millisecond,
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);
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Expect.equals(expected, result);
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}
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void main() {
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final epoch = DateTime.utc(1970, 1, 1);
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final dst = DateTime.parse("2015-07-07T12:12:24Z");
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final leap = DateTime.parse("2012-02-28T12:12:24");
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for (var year in [null, -100, 1917, 2012]) {
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for (var month in [null, -1, 1, 2, 12, 14]) {
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for (var day in [null, -1, 1, 28, 29, 30, 31, 32]) {
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for (var hour in [null, -1, 0, 23, 25]) {
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for (var minute in [null, -1, 1, 59, 61]) {
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for (var second in [null, -1, 1, 59, 61]) {
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for (var millisecond in [null, -1, 1, 999, 1001]) {
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for (var isUtc in [false, true]) {
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for (var base in [epoch, dst, leap]) {
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testCopyWith(
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base,
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year,
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month,
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day,
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hour,
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minute,
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second,
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millisecond,
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isUtc,
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);
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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