jdk/test/com/sun/management/HotSpotDiagnosticMXBean/GetVMOption.java
changeset 2 90ce3da70b43
child 401 ef01e0dccd63
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/GetVMOption.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,75 @@
+/*
+ * Copyright 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     6314913
+ * @summary Basic Test for HotSpotDiagnosticMXBean.getVMOption()
+ * @author  Mandy Chung
+ *
+ * @run main/othervm -XX:+PrintGCDetails GetVMOption
+ */
+
+import com.sun.management.HotSpotDiagnosticMXBean;
+import com.sun.management.VMOption;
+import com.sun.management.VMOption.Origin;
+import java.lang.management.ManagementFactory;
+import javax.management.MBeanServer;
+
+public class GetVMOption {
+    private static String PRINT_GC_DETAILS = "PrintGCDetails";
+    private static String EXPECTED_VALUE = "true";
+    private static String BAD_OPTION = "BadOption";
+    private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =
+        "com.sun.management:type=HotSpotDiagnostic";
+
+    public static void main(String[] args) throws Exception {
+        HotSpotDiagnosticMXBean mbean =
+            sun.management.ManagementFactory.getDiagnosticMXBean();
+        checkVMOption(mbean);
+
+        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
+        mbean = ManagementFactory.newPlatformMXBeanProxy(mbs,
+                    HOTSPOT_DIAGNOSTIC_MXBEAN_NAME,
+                    HotSpotDiagnosticMXBean.class);
+        checkVMOption(mbean);
+    }
+
+    private static void checkVMOption(HotSpotDiagnosticMXBean mbean) {
+        VMOption option = mbean.getVMOption(PRINT_GC_DETAILS);
+        if (!option.getValue().equalsIgnoreCase(EXPECTED_VALUE)) {
+            throw new RuntimeException("Unexpected value: " +
+                option.getValue() + " expected: " + EXPECTED_VALUE);
+        }
+        boolean iae = false;
+        try {
+            mbean.getVMOption(BAD_OPTION);
+        } catch (IllegalArgumentException e) {
+            iae = true;
+        }
+        if (!iae) {
+            throw new RuntimeException("Invalid VM Option" +
+                " was not detected");
+        }
+    }
+}