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 }