// Copyright (c) 2016, 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 modInverse(int modulus)
 * Returns the modular multiplicative inverse of this integer modulo modulus.
 *
 * The modulus must be positive.
 *
 * It is an error if no modular inverse exists.
 * @description Checks that the modulus must be positive
 * @author sgrekhov@unipro.ru
 */
import "../../../Utils/expect.dart";

main() {
  Expect.throws(() {3.modInverse(-11);}, (e) => e is RangeError);
  Expect.throws(() {3.modInverse(0);}, (e) => e is RangeError);
}