1 /*
   2  * Copyright (c) 2014, 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 /testlibrary
  29  * @build UnresolvedClassAgent com.oracle.java.testlibrary.ProcessTools com.oracle.java.testlibrary.OutputAnalyzer
  30  * @run main TestRedefineWithUnresolvedClass
  31  */
  32 
  33 import java.io.File;
  34 import java.util.Arrays;
  35 
  36 import com.oracle.java.testlibrary.OutputAnalyzer;
  37 import com.oracle.java.testlibrary.ProcessTools;
  38 
  39 public class TestRedefineWithUnresolvedClass {
  40 
  41     final static String slash = File.separator;
  42     final static String testClasses = System.getProperty("test.classes") + slash;
  43 
  44     public static void main(String... args) throws Throwable {
  45         // delete this class to cause a NoClassDefFoundError
  46         File unresolved = new File(testClasses, "MyUnresolvedClass.class");
  47         if (unresolved.exists() && !unresolved.delete()) {
  48             throw new Exception("Could not delete: " + unresolved);
  49         }
  50 
  51         // build the javaagent
  52         buildJar("UnresolvedClassAgent");
  53 
  54         // launch a VM with the javaagent
  55         launchTest();
  56     }
  57 
  58     private static void buildJar(String jarName) throws Throwable {
  59         String testSrc = System.getProperty("test.src", "?") + slash;
  60 
  61         String jarPath = String.format("%s%s.jar", testClasses, jarName);
  62         String manifestPath = String.format("%s%s.mf", testSrc, jarName);
  63         String className = String.format("%s.class", jarName);
  64 
  65         String[] args = new String[] {"-cfm", jarPath, manifestPath, "-C", testClasses, className};
  66 
  67         System.out.println("Running jar " + Arrays.toString(args));
  68         sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar");
  69         if (!jarTool.run(args)) {
  70             throw new Exception("jar failed: args=" + Arrays.toString(args));
  71         }
  72     }
  73 
  74     private static void launchTest() throws Throwable {
  75         String[] args = {
  76             "-javaagent:" + testClasses + "UnresolvedClassAgent.jar",
  77             "-Dtest.classes=" + testClasses,
  78             "UnresolvedClassAgent" };
  79         OutputAnalyzer output = ProcessTools.executeTestJvm(args);
  80         output.shouldHaveExitValue(0);
  81     }
  82 }