118 lines
4.3 KiB
Java
118 lines
4.3 KiB
Java
/*
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* Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4990512
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* @summary Basic Test for RuntimeMXBean.getSystemProperties().
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* @author Mandy Chung
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*/
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import java.lang.management.ManagementFactory;
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import java.lang.management.RuntimeMXBean;
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import java.util.*;
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public class GetSystemProperties {
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private static final String KEY1 = "test.property.key1";
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private static final String VALUE1 = "test.property.value1";
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private static final String KEY2 = "test.property.key2";
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private static final String VALUE2 = "test.property.value2";
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// system properties to be omitted
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private static final String KEY3 = "test.property.key3";
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private static final Long VALUE3 = new Long(0);
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private static final Object KEY4 = new Object();
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private static final String VALUE4 = "test.property.value4";
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public static void main(String[] argv) throws Exception {
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// Save a copy of the original system properties
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Properties props = System.getProperties();
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try {
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// replace the system Properties object for any modification
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// in case jtreg caches a copy
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System.setProperties(new Properties(props));
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runTest();
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} finally {
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// restore original system properties
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System.setProperties(props);
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}
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}
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private static void runTest() throws Exception {
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RuntimeMXBean mbean = ManagementFactory.getRuntimeMXBean();
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// Print all system properties
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Map<String,String> props = mbean.getSystemProperties();
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printProperties(props);
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// Add new system properties
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System.setProperty(KEY1, VALUE1);
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System.setProperty(KEY2, VALUE2);
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Map<String,String> props1 = mbean.getSystemProperties();
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String value1 = props1.get(KEY1);
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if (value1 == null || !value1.equals(VALUE1)) {
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throw new RuntimeException(KEY1 + " property found" +
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" with value = " + value1 +
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" but expected to be " + VALUE1);
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}
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String value2 = props1.get(KEY2);
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if (value2 == null || !value2.equals(VALUE2)) {
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throw new RuntimeException(KEY2 + " property found" +
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" with value = " + value2 +
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" but expected to be " + VALUE2);
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}
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String value3 = props1.get(KEY3);
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if (value3 != null) {
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throw new RuntimeException(KEY3 + " property found" +
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" but should not exist" );
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}
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// Add new system properties but are not Strings
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Properties sp = System.getProperties();
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sp.put(KEY3, VALUE3);
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sp.put(KEY4, VALUE4);
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Map<String,String> props2 = mbean.getSystemProperties();
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// expect the system properties returned should be
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// same as the one before adding KEY3 and KEY4
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if (!props1.equals(props2)) {
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throw new RuntimeException("Two copies of system properties " +
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"are expected to be equal");
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}
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System.out.println("Test passed.");
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}
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private static void printProperties(Map<String,String> props) {
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Set<Map.Entry<String,String>> set = props.entrySet();
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for (Map.Entry<String,String> p : set) {
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System.out.println(p.getKey() + ": " + p.getValue());
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}
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}
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}
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