blob: 597116f43aa5ad32d96cb2c2419cdc32e8967441 [file] [log] [blame]
// 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.
/// @assertion final int hashCode
/// Get a hash code for this object.
/// docs inherited from Object:
/// All objects have hash codes. Hash codes are guaranteed to be the same for
/// objects that are equal when compared using the equality operator ==.
/// @description Checks that hashCode is int.
/// Checks that if hashcodes are different, objects are different.
/// @author kaigorodov
import "../../../Utils/expect.dart";
check(t1, t2) {
DateTime date1 = new DateTime.fromMillisecondsSinceEpoch(t1, isUtc: true);
DateTime date2 = new DateTime.fromMillisecondsSinceEpoch(t2, isUtc: true);
var h1 = date1.hashCode;
var h2 = date2.hashCode;
Expect.isTrue(h1 is int);
Expect.isTrue(h2 is int);
if (h1 != h2) {
Expect.notEquals(date1, date2);
main() {
check(0, 1);
check(1, 0);
check(603176900008, 603176900009);
check(603176900009, 603176900008);
check(100, 603176900009);
check(603176900009, 100);
check(100, -100);