diff -r 89b967c599ce -r 8a2a7d7c52a0 jdk/test/com/sun/management/HotSpotDiagnosticMXBean/GetDoubleVMOption.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/com/sun/management/HotSpotDiagnosticMXBean/GetDoubleVMOption.java Mon Nov 03 11:19:54 2014 +0100 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2014, 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 8061616 + * @summary Basic Test for HotSpotDiagnosticMXBean.getVMOption() and double values + * @author Jaroslav Bachorik + * + * @run main/othervm -XX:CompileThresholdScaling=0.14 GetDoubleVMOption + */ + +import com.sun.management.HotSpotDiagnosticMXBean; +import com.sun.management.VMOption; +import java.lang.management.ManagementFactory; +import java.util.List; +import javax.management.MBeanServer; + +public class GetDoubleVMOption { + private static final String COMPILE_THRESHOLD_SCALING = "CompileThresholdScaling"; + private static final String EXPECTED_VALUE = "0.14"; + private static final String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME = + "com.sun.management:type=HotSpotDiagnostic"; + + public static void main(String[] args) throws Exception { + List list = + ManagementFactory.getPlatformMXBeans(HotSpotDiagnosticMXBean.class); + HotSpotDiagnosticMXBean mbean = list.get(0); + 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(COMPILE_THRESHOLD_SCALING); + if (!option.getValue().equalsIgnoreCase(EXPECTED_VALUE)) { + throw new RuntimeException("Unexpected value: " + + option.getValue() + " expected: " + EXPECTED_VALUE); + } + } +}