test/jdk/java/util/StringTokenizer/FormFeed.java

/*
 * Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 * questions.
 */

/*
 * @test
 * @bug 4017777
 * @summary Test StringTokenizer on \f character
 */

import java.util.StringTokenizer;

/**
 * This class tests to see if the StringTokenizer recognizes
 * backslash f as a whitespace character (it should)
 */
public class FormFeed {

   public static void main(String[] argv) {
      StringTokenizer st = new StringTokenizer("ABCD\tEFG\fHIJKLM PQR");

      if (st.countTokens() != 4)
         throw new RuntimeException("StringTokenizer does not treat form feed as whitespace.");

    }
}