LibTest/core/int/compareTo_A01_t01.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.

/**
 * @assertion int extends num and type num implements Comparable interface.
 * @description Checks that the compareTo method is implemented correctly for
 * integer arguments.
 * @author vasya
 */
import "../../../Utils/expect.dart";

main() {
  Expect.equals(0,  0.compareTo(0));
  Expect.equals(1,  0.compareTo(-1));
  Expect.equals(-1, 0.compareTo(1));

  Expect.equals(0,  2147483647.compareTo(2147483647));
  Expect.equals(1,  2147483647.compareTo(2147483646));
  Expect.equals(-1, 2147483647.compareTo(2147483648));

  Expect.equals(0,  (-2147483648).compareTo(-2147483648));
  Expect.equals(-1, (-2147483648).compareTo(-2147483647));
  Expect.equals(1,  (-2147483648).compareTo(-2147483649));

  Expect.equals(0,  9007199254740991.compareTo(9007199254740991));
  Expect.equals(1,  9007199254740991.compareTo(9007199254740990));
  Expect.equals(-1, 9007199254740990.compareTo(9007199254740991));

  Expect.equals(0,  (-9007199254740991).compareTo(-9007199254740991));
  Expect.equals(-1, (-9007199254740991).compareTo(-9007199254740990));
  Expect.equals(1,  (-9007199254740990).compareTo(-9007199254740991));

  Expect.equals(0, 0x1800000000000000.compareTo(0x1800000000000000));
}