--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/management/RuntimeMXBean/GetSystemProperties.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug     4990512
+ * @summary Basic Test for RuntimeMXBean.getSystemProperties().
+ * @author  Mandy Chung
+ *
+ * @compile -source 1.5 GetSystemProperties.java
+ * @run main GetSystemProperties
+ */
+
+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 {
+        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
+        props1.equals(props2);
+
+        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());
+        }
+    }
+}