// 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 A single line comment begins with the token //.
/// Everything between // and the end of line must be ignored by the Dart
/// compiler unless the comment is a documentation comment.
/// SINGLE LINE COMMENT:
///   '//' ~(NEWLINE)* (NEWLINE)?
/// ;
/// @description Checks that a single line documentation comment (three or more
/// slashes)  is still a comment.
/// @author rodionov

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

foo (int x, int y) { /// this function returns modulo of x and y.
  return x % y;
} //// end of function

main() {
  try { ////////// start try statement
    foo(1, 0); ///////// call foo() with 1 and 0 params
    Expect.fail("");
  } on Exception catch (e) { ////// try to catch exception
    //////// Expect.fail(e.toString());
  } ///// end try statement
}
