jdk-24/test/jdk/java/lang/System/SetPropertiesNull.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * This class tests to see if the system property java.version is properly
 * reinitialized after setting System.setProperties(null).
 *
 * @test
 * @bug 4244670 8030781
 * @summary Test for System.setProperties(null).
 */

public class SetPropertiesNull {

    public static void main(String args[]) {
        final String version = System.getProperty("java.version");
        System.setProperties(null);
        final String newVersion = System.getProperty("java.version");
        if (!version.equals(newVersion)) {
            throw new RuntimeException("java.version differs: '" + version + "'  '"
                               + newVersion + "'");
        }
    }
}