1 /*

     2  * Copyright (c) 2015, 2018, 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  */

    24 

    25 /*

    26  * @test

    27  * @summary Use ClassLoader.defineClass() to load a class with rewritten bytecode. Make sure

    28  *          the archived class with the same name is not loaded.

    29  * @requires vm.cds

    30  * @library /test/lib

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

    32  *          java.management

    33  *          jdk.jartool/sun.tools.jar

    34  * @compile test-classes/RewriteBytecodes.java test-classes/Util.java test-classes/Super.java test-classes/Child.java

    35  * @build sun.hotspot.WhiteBox

    36  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    37  * @run driver RewriteBytecodesTest

    38  */

    39 

    40 import java.io.File;

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

    42 

    43 public class RewriteBytecodesTest {

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

    45     String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");

    46     String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;

    47 

    48     String appJar = JarBuilder.build("dynamic_define", "RewriteBytecodes", "Util", "Super", "Child");

    49     String superClsFile = (new File(System.getProperty("test.classes", "."), "Super.class")).getPath();

    50 

    51     TestCommon.dump(appJar, TestCommon.list("RewriteBytecodes", "Super", "Child"),

    52                     // command-line arguments ...

    53                     use_whitebox_jar);

    54 

    55     OutputAnalyzer output = TestCommon.exec(appJar,

    56                     // command-line arguments ...

    57                     "--add-opens=java.base/java.lang=ALL-UNNAMED",

    58                     use_whitebox_jar,

    59                     "-XX:+UnlockDiagnosticVMOptions",

    60                     "-XX:+WhiteBoxAPI",

    61                     "RewriteBytecodes", superClsFile);

    62     TestCommon.checkExec(output);

    63   }

    64 }