| /* |
| * Copyright (c) 2004, 2015, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4990512 |
| * @summary Basic Test for RuntimeMXBean.getSystemProperties(). |
| * @author Mandy Chung |
| */ |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.RuntimeMXBean; |
| import java.util.*; |
| |
| public class GetSystemProperties { |
| private static final String KEY1 = "test.property.key1"; |
| private static final String VALUE1 = "test.property.value1"; |
| private static final String KEY2 = "test.property.key2"; |
| private static final String VALUE2 = "test.property.value2"; |
| |
| // system properties to be omitted |
| private static final String KEY3 = "test.property.key3"; |
| private static final Long VALUE3 = new Long(0);; |
| |
| private static final Object KEY4 = new Object(); |
| private static final String VALUE4 = "test.property.value4"; |
| |
| public static void main(String[] argv) throws Exception { |
| // Save a copy of the original system properties |
| Properties props = System.getProperties(); |
| |
| try { |
| // replace the system Properties object for any modification |
| // in case jtreg caches a copy |
| System.setProperties(new Properties(props)); |
| runTest(); |
| } finally { |
| // restore original system properties |
| System.setProperties(props); |
| } |
| } |
| |
| private static void runTest() throws Exception { |
| RuntimeMXBean mbean = ManagementFactory.getRuntimeMXBean(); |
| |
| // Print all system properties |
| Map<String,String> props = mbean.getSystemProperties(); |
| printProperties(props); |
| |
| // Add new system properties |
| System.setProperty(KEY1, VALUE1); |
| System.setProperty(KEY2, VALUE2); |
| |
| Map<String,String> props1 = mbean.getSystemProperties(); |
| String value1 = props1.get(KEY1); |
| if (value1 == null || !value1.equals(VALUE1)) { |
| throw new RuntimeException(KEY1 + " property found" + |
| " with value = " + value1 + |
| " but expected to be " + VALUE1); |
| } |
| |
| String value2 = props1.get(KEY2); |
| if (value2 == null || !value2.equals(VALUE2)) { |
| throw new RuntimeException(KEY2 + " property found" + |
| " with value = " + value2 + |
| " but expected to be " + VALUE2); |
| } |
| |
| String value3 = props1.get(KEY3); |
| if (value3 != null) { |
| throw new RuntimeException(KEY3 + " property found" + |
| " but should not exist" ); |
| } |
| |
| // Add new system properties but are not Strings |
| Properties sp = System.getProperties(); |
| sp.put(KEY3, VALUE3); |
| sp.put(KEY4, VALUE4); |
| |
| Map<String,String> props2 = mbean.getSystemProperties(); |
| // expect the system properties returned should be |
| // same as the one before adding KEY3 and KEY4 |
| if (!props1.equals(props2)) { |
| throw new RuntimeException("Two copies of system properties " + |
| "are expected to be equal"); |
| } |
| |
| System.out.println("Test passed."); |
| } |
| |
| private static void printProperties(Map<String,String> props) { |
| Set<Map.Entry<String,String>> set = props.entrySet(); |
| for (Map.Entry<String,String> p : set) { |
| System.out.println(p.getKey() + ": " + p.getValue()); |
| } |
| } |
| } |