/*
* Copyright ( c ) 2009 , 2019 , 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 .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
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*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.prefs.Preferences;
/**
* @ test
* @ bug 6203576 4700020 7197662 8217777
* @ summary checks if the output of exportSubtree ( ) is identical to
* the output from previous release .
* @ run main / othervm - Djava . util . prefs . userRoot = . ExportSubtree
*/
public class ExportSubtree {
private static final String LS = System.getProperty("line.separator" );
private static final String IMPORT_PREFS =
"<?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>" ;
private static final String EXPECTED_RESULT =
"<?xml version=\" 1 .0 \" encoding=\" UTF-8 \" standalone=\" no\"?>" + 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;
public static void main(String[] args) throws Exception {
ByteArrayInputStream bais = new ByteArrayInputStream(IMPORT_PREFS.getBytes("utf-8" ));
Preferences.importPreferences(bais);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Preferences.userRoot().node("testExportSubtree" ).exportSubtree(baos);
Preferences.userRoot().node("testExportSubtree" ).removeNode();
if (!EXPECTED_RESULT.equals(baos.toString())) {
String errMsg = "Preferences::exportSubtree did not yield the expected result." ;
System.out.println(errMsg + LS +
"Actual:" + LS +
baos + LS +
"Expected:" + LS +
EXPECTED_RESULT);
throw new RuntimeException(errMsg);
}
}
}
Messung V0.5 in Prozent C=96 H=92 G=93
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-09)
¤
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