1 /*

     2  * Copyright (c) 2014, 2017, 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  * @test

    26  * @summary Redefine a class with an UnresolvedClass reference in the constant pool.

    27  * @bug 8035150

    28  * @library /test/lib

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

    30  *          java.compiler

    31  *          java.instrument

    32  *          java.management

    33  *          jdk.jartool/sun.tools.jar

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

    35  * @build UnresolvedClassAgent

    36  * @run main TestRedefineWithUnresolvedClass

    37  */

    38 

    39 import java.io.File;

    40 import java.util.Arrays;

    41 

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

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

    44 

    45 public class TestRedefineWithUnresolvedClass {

    46 

    47     final static String slash = File.separator;

    48     final static String testClasses = System.getProperty("test.classes") + slash;

    49 

    50     public static void main(String... args) throws Throwable {

    51         // delete this class to cause a NoClassDefFoundError

    52         File unresolved = new File(testClasses, "MyUnresolvedClass.class");

    53         if (unresolved.exists() && !unresolved.delete()) {

    54             throw new Exception("Could not delete: " + unresolved);

    55         }

    56 

    57         // build the javaagent

    58         buildJar("UnresolvedClassAgent");

    59 

    60         // launch a VM with the javaagent

    61         launchTest();

    62     }

    63 

    64     private static void buildJar(String jarName) throws Throwable {

    65         String testSrc = System.getProperty("test.src", "?") + slash;

    66 

    67         String jarPath = String.format("%s%s.jar", testClasses, jarName);

    68         String manifestPath = String.format("%s%s.mf", testSrc, jarName);

    69         String className = String.format("%s.class", jarName);

    70 

    71         String[] args = new String[] {"-cfm", jarPath, manifestPath, "-C", testClasses, className};

    72 

    73         System.out.println("Running jar " + Arrays.toString(args));

    74         sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar");

    75         if (!jarTool.run(args)) {

    76             throw new Exception("jar failed: args=" + Arrays.toString(args));

    77         }

    78     }

    79 

    80     private static void launchTest() throws Throwable {

    81         String[] args = {

    82             "-javaagent:" + testClasses + "UnresolvedClassAgent.jar",

    83             "-Dtest.classes=" + testClasses,

    84             "UnresolvedClassAgent" };

    85         OutputAnalyzer output = ProcessTools.executeTestJvm(args);

    86         output.shouldHaveExitValue(0);

    87     }

    88 }