/**
  * Copyright (c): Uwe Schmidt, FH Wedel
  *
  * You may study, modify and distribute this source code
  * FOR NON-COMMERCIAL PURPOSES ONLY.
  * This copyright message has to remain unchanged.
  *
  * Note that this document is provided 'as is',
  * WITHOUT WARRANTY of any kind either expressed or implied.
  */

/**
  * test fuer Expr Klasse
  */

//--------------------

public
class Test {

  public
  static
  void main(String[] argv) {
    Expr drei =
      new Const(3);

    Expr e1 =
      new BinaryPlus(
	    new Const(48),
	    new UnaryMinus(
                  new BinaryPlus(drei,drei)));

    Expr e2 =
      new BinaryMinus(
	    new Mult(
                  new Const(15),
		  drei),
	    drei);

    System.out.println(e1 + " = " + e1.eval());
    System.out.println(e2 + " = " + e2.eval());
  }
}

//--------------------