LibTest/core/int/operator_remainder_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 num operator %(num other) 
 * The % operator yields the remainder of its operands from an implied division;
 * the left operand is the dividend and the right operand is the divisor.
 * @description Checks that this operator returns correct value for integer
 *              arguments (including 0).
 * @author vasya
 * @reviewer msyabro
 * @reviewer rodionov
 * @needsreview modulo operatio is not specified (issue 493).
 */
import "../../../Utils/expect.dart";

main() {
  Expect.equals(0, 1 % 1);
  Expect.equals(0, 0 % 1);

  Expect.equals(1, 1 % 2);

  Expect.equals(2, 17 % 3);
  Expect.equals(2, 17 % -3);
  Expect.equals(1, (-17) % 3);
  Expect.equals(1, (-17) % -3);

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

  Expect.equals(18446744073709551616,
      18446744073709551616 % 18446744073709551617);
  Expect.equals(0, 18446744073709551616 % 18446744073709551616);
  Expect.equals(1, 18446744073709551616 % 18446744073709551615);

  Expect.equals(0, 0 % 18446744073709551616);
  Expect.equals(0, 0 % -18446744073709551616);

  // 2^100 % 3^50
  Expect.equals(691521709937297972926156,
      1267650600228229401496703205376 % 717897987691852588770249);
}