1 /*

     2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 import java.io.PrintWriter;

    24 import jdk.test.lib.JDKToolFinder;

    25 import jdk.test.lib.process.OutputAnalyzer;

    26 import jdk.test.lib.process.ProcessTools;

    27 

    28 

    29 /*

    30  * @test

    31  * @bug 8075030

    32  * @summary JvmtiEnv::GetObjectSize reports incorrect java.lang.Class instance size

    33  * @library /test/lib

    34  * @modules java.base/jdk.internal.misc

    35  *          java.compiler

    36  *          java.instrument

    37  *          java.management

    38  *          jdk.internal.jvmstat/sun.jvmstat.monitor

    39  * @build GetObjectSizeClassAgent

    40  * @run main ClassFileInstaller GetObjectSizeClassAgent

    41  * @run main GetObjectSizeClass

    42  */

    43 public class GetObjectSizeClass {

    44     public static void main(String[] args) throws Exception  {

    45         PrintWriter pw = new PrintWriter("MANIFEST.MF");

    46         pw.println("Premain-Class: GetObjectSizeClassAgent");

    47         pw.close();

    48 

    49         ProcessBuilder pb = new ProcessBuilder();

    50         pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeClassAgent.class"});

    51         pb.start().waitFor();

    52 

    53         ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-javaagent:agent.jar",  "GetObjectSizeClassAgent");

    54         OutputAnalyzer output = new OutputAnalyzer(pt.start());

    55 

    56         output.stdoutShouldContain("GetObjectSizeClass passed");

    57     }

    58 }