// 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 passing a zero as argument
/// results in IntegerDivisionByZeroException
/// @author vasya

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

main() {
  check(1, 0);
  check(-1, 0);
  check(0, 0);
}
  
void check(int x, num z) {
  Expect.throws(() {x % z;}, (e) => e is IntegerDivisionByZeroException);
}
