test/hotspot/jtreg/serviceability/jvmti/TestRedefineWithUnresolvedClass.java
changeset 47216 71c04702a3d5
parent 43467 f91da24c6bca
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     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 }