LibTest/core/DateTime/DateTime_A01_t03.dart

// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

/// @assertion factory DateTime(int year, [int month = 1, int day = 1, int hour = 0,
/// int minute = 0, int second = 0, int millisecond = 0])
/// Constructs a DateTime instance based on the individual parts.
/// The date is in the local time zone. month and day are one-based. 
/// @description Checks that DateTime constructor handles under- and overflow correctly.
/// @author rodionov

import "../../../Utils/expect.dart";

main() {
  Expect.equals(new DateTime(1, 0, 1, 0, 0, 0, 0), new DateTime(0, 12, 1, 0, 0, 0, 0));
  Expect.equals(new DateTime(1, 13, 1, 0, 0, 0, 0), new DateTime(2, 1, 1, 0, 0, 0, 0));
  Expect.equals(new DateTime(1, 1, 0, 0, 0, 0, 0), new DateTime(0, 12, 31, 0, 0, 0, 0));
  Expect.equals(new DateTime(1, 1, -1, 0, 0, 0, 0), new DateTime(0, 12, 30, 0, 0, 0, 0));
  Expect.equals(new DateTime(2012, 2, 30, 0, 0, 0, 0), new DateTime(2012, 3, 1, 0, 0, 0, 0));
  Expect.equals(new DateTime(2011, 2, 30, 0, 0, 0, 0), new DateTime(2011, 3, 2, 0, 0, 0, 0));
  Expect.equals(new DateTime(1, 1, 1, -1, 0, 0, 0), new DateTime(0, 12, 31, 23, 0, 0, 0));
  Expect.equals(new DateTime(1, 1, 1, 24, 0, 0, 0), new DateTime(1, 1, 2, 0, 0, 0, 0));
  Expect.equals(new DateTime(1, 1, 1, 0, -1, 0, 0), new DateTime(0, 12, 31, 23, 59, 0, 0));
  Expect.equals(new DateTime(1, 1, 1, 0, 60, 0, 0), new DateTime(1, 1, 1, 1, 0, 0, 0));
  Expect.equals(new DateTime(1, 1, 1, 0, 0, -1, 0), new DateTime(0, 12, 31, 23, 59, 59, 0));
  Expect.equals(new DateTime(1, 1, 1, 0, 0, 60, 0), new DateTime(1, 1, 1, 0, 1, 0, 0));
  Expect.equals(new DateTime(1, 1, 1, 0, 0, 0, -1), new DateTime(0, 12, 31, 23, 59, 59, 999));
  Expect.equals(new DateTime(1, 1, 1, 0, 0, 0, 1000), new DateTime(1, 1, 1, 0, 0, 1, 0));
  Expect.equals(new DateTime(2012, 2, 29, 23, 59, 59, 1000), new DateTime(2012, 3, 1, 0, 0, 0, 0));
}