/*

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/* @test

 * @bug 6203576 4700020 7197662

 * @summary checks if the output of exportSubtree() is identical to

 *          the output from previous release.

 * @run main/othervm -Djava.util.prefs.userRoot=. ExportSubtree

 */

import java.io.*;

import java.util.prefs.*;

public class ExportSubtree {

   public static void main(String[] args) throws Exception {

      try

      {

          //File f = new File(System.getProperty("test.src", "."), "TestPrefs.xml");

          ByteArrayInputStream bais = new ByteArrayInputStream(importPrefs.getBytes("utf-8"));

          Preferences.importPreferences(bais);

          ByteArrayOutputStream baos = new ByteArrayOutputStream();

          Preferences.userRoot().node("testExportSubtree").exportSubtree(baos);

          Preferences.userRoot().node("testExportSubtree").removeNode();

          if (!expectedResult.equals(baos.toString())) {

              //System.out.print(baos.toString());

              //System.out.print(expectedResult);

              throw new IOException("exportSubtree does not output expected result");

          }

      }

      catch( Exception e ) {

         e.printStackTrace();

      }

   }

   static String ls = System.getProperty("line.separator");

   static String importPrefs =

       "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"

        + "<!DOCTYPE preferences SYSTEM \"http://java.sun.com/dtd/preferences.dtd\">"

        + "<preferences EXTERNAL_XML_VERSION=\"1.0\">"

        + "  <root type=\"user\">"

        + "    <map>"

        + "      <entry key=\"key1\" value=\"value1\"/>"

        + "    </map>"

        + "    <node name=\"testExportSubtree\">"

        + "      <map>"

        + "        <entry key=\"key2\" value=\"value2\"/>"

        + "      </map>"

        + "      <node name=\"test\">"

        + "        <map>"

        + "          <entry key=\"key3\" value=\"value3\"/>"

        + "        </map>"

        + "      </node>"

        + "    </node>"

        + "  </root>"

        + "</preferences>";

   static String expectedResult =

       "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"

        + ls    +  "<!DOCTYPE preferences SYSTEM \"http://java.sun.com/dtd/preferences.dtd\">"

        + ls    +  "<preferences EXTERNAL_XML_VERSION=\"1.0\">"

        + ls    +  "  <root type=\"user\">"

        + ls    +  "    <map/>"

        + ls    +  "    <node name=\"testExportSubtree\">"

        + ls    +  "      <map>"

        + ls    +  "        <entry key=\"key2\" value=\"value2\"/>"

        + ls    +  "      </map>"

        + ls    +  "      <node name=\"test\">"

        + ls    +  "        <map>"

        + ls    +  "          <entry key=\"key3\" value=\"value3\"/>"

        + ls    +  "        </map>"

        + ls    +  "      </node>"

        + ls    +  "    </node>"

        + ls    +  "  </root>"

        + ls    +  "</preferences>"     + ls;

}