jdk/test/java/lang/management/ManagementFactory/MXBeanException.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/management/ManagementFactory/MXBeanException.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2004-2005 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     5058319
+ * @summary Check if a RuntimeException is wrapped by RuntimeMBeanException
+ *          only once.
+ *
+ * @author  Mandy Chung
+ *
+ * @build MXBeanException
+ * @run main MXBeanException
+ */
+
+import java.lang.management.*;
+import javax.management.*;
+import java.util.*;
+import static java.lang.management.ManagementFactory.*;
+
+public class MXBeanException {
+    private static MemoryPoolMXBean pool;
+
+    public static void main(String[] argv) throws Exception {
+        List<MemoryPoolMXBean> pools =
+            ManagementFactory.getMemoryPoolMXBeans();
+        for (MemoryPoolMXBean p : pools) {
+            if (!p.isUsageThresholdSupported()) {
+                pool = p;
+                break;
+            }
+        }
+
+        // check if UnsupportedOperationException is thrown
+        try {
+            pool.setUsageThreshold(1000);
+            throw new RuntimeException("TEST FAILED: " +
+                "UnsupportedOperationException not thrown");
+        } catch (UnsupportedOperationException e) {
+            // expected
+        }
+
+        // check if UnsupportedOperationException is thrown
+        // when calling through MBeanServer
+        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
+        ObjectName on = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE +
+                                       ",name=" + pool.getName());
+        Attribute att = new Attribute("UsageThreshold", 1000);
+        try {
+            mbs.setAttribute(on, att);
+        } catch (RuntimeMBeanException e) {
+            checkMBeanException(e);
+        } catch (RuntimeOperationsException e) {
+            checkMBeanException(e);
+        }
+
+        // check if UnsupportedOperationException is thrown
+        // when calling through proxy
+
+        MemoryPoolMXBean proxy = newPlatformMXBeanProxy(mbs,
+                                     on.toString(),
+                                     MemoryPoolMXBean.class);
+        try {
+            proxy.setUsageThreshold(1000);
+            throw new RuntimeException("TEST FAILED: " +
+                "UnsupportedOperationException not thrown via proxy");
+        } catch (UnsupportedOperationException e) {
+            // expected
+        }
+
+        System.out.println("Test passed");
+    }
+
+    private static void checkMBeanException(JMRuntimeException e) {
+        Throwable cause = e.getCause();
+        if (!(cause instanceof UnsupportedOperationException)) {
+            throw new RuntimeException("TEST FAILED: " + cause +
+                "is not UnsupportedOperationException");
+        }
+    }
+}