1 /*
   2  * Copyright (c) 2015, 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  * Asm plugin testing.
  26  * @test
  27  * @summary Test basic functionality.
  28  * @author Andrei Eremeev
  29  * @modules java.base/jdk.internal.org.objectweb.asm
  30  *          jdk.jlink/jdk.tools.jlink.internal
  31  *          jdk.jlink/jdk.tools.jlink.internal.plugins.asm
  32  * @build AsmPluginTestBase
  33  * @run main NegativeTest
  34  */
  35 
  36 import java.io.IOException;
  37 import java.io.UncheckedIOException;
  38 import java.nio.ByteOrder;
  39 import java.util.Map;
  40 import java.util.Set;
  41 import jdk.internal.org.objectweb.asm.ClassReader;
  42 import jdk.internal.org.objectweb.asm.ClassVisitor;
  43 import jdk.internal.org.objectweb.asm.ClassWriter;
  44 import jdk.internal.org.objectweb.asm.Opcodes;
  45 import jdk.tools.jlink.plugin.Plugin;
  46 import jdk.tools.jlink.internal.ModulePoolImpl;
  47 import jdk.tools.jlink.internal.StringTable;
  48 import jdk.tools.jlink.internal.plugins.asm.AsmGlobalPool;
  49 import jdk.tools.jlink.internal.plugins.asm.AsmModulePool;
  50 import jdk.tools.jlink.internal.plugins.asm.AsmPlugin;
  51 import jdk.tools.jlink.internal.plugins.asm.AsmPool.ResourceFile;
  52 import jdk.tools.jlink.internal.plugins.asm.AsmPools;
  53 import jdk.tools.jlink.plugin.PluginException;
  54 import jdk.tools.jlink.plugin.ModulePool;
  55 
  56 public class NegativeTest extends AsmPluginTestBase {
  57     public static void main(String[] args) throws Exception {
  58         if (!isImageBuild()) {
  59             System.err.println("Test not run. Not image build.");
  60             return;
  61         }
  62         new NegativeTest().test();
  63     }
  64 
  65     @Override
  66     public void test() throws Exception {
  67         testNull();
  68         testUnknownPackage();
  69     }
  70 
  71     private void testUnknownPackage() throws Exception {
  72         AsmPlugin t = new AsmPlugin() {
  73             @Override
  74             public void visit(AsmPools pools) {
  75                 try {
  76                     AsmGlobalPool globalPool = pools.getGlobalPool();
  77                     AsmModulePool javabase = pools.getModulePool("java.base");
  78                     ClassReader cr = new ClassReader(NegativeTest.class.getResourceAsStream("NegativeTest.class"));
  79                     ClassWriter cw = new ClassWriter(cr, ClassWriter.COMPUTE_FRAMES);
  80                     cr.accept(new RenameClassVisitor(cw), ClassReader.EXPAND_FRAMES);
  81                     action(() -> globalPool.getTransformedClasses().addClass(cw),
  82                             "Unknown package", PluginException.class);
  83                     action(() -> javabase.getTransformedClasses().addClass(cw),
  84                             "Unknown package", PluginException.class);
  85 
  86                     ResourceFile newResFile = new ResourceFile("java/aaa/file", new byte[0]);
  87                     action(() -> globalPool.getTransformedResourceFiles().addResourceFile(newResFile),
  88                             "Unknown package", PluginException.class);
  89                     action(() -> javabase.getTransformedResourceFiles().addResourceFile(newResFile),
  90                             "Unknown package", PluginException.class);
  91 
  92                     action(() -> globalPool.getTransformedClasses().forgetClass("java/aaa/file"),
  93                             "Unknown package", PluginException.class);
  94                     action(() -> javabase.getTransformedClasses().forgetClass("java/aaa/file"),
  95                             "Unknown package", PluginException.class);
  96                     action(() -> globalPool.getTransformedResourceFiles().forgetResourceFile("java/aaa/file"),
  97                             "Unknown package", PluginException.class);
  98                     action(() -> javabase.getTransformedResourceFiles().forgetResourceFile("java/aaa/file"),
  99                             "Unknown package", PluginException.class);
 100                 } catch (IOException ex) {
 101                    throw new UncheckedIOException(ex);
 102                 }
 103             }
 104         };
 105         ModulePool resources = new ModulePoolImpl(ByteOrder.BIG_ENDIAN, new StringTable() {
 106             @Override
 107             public int addString(String str) {
 108                 return -1;
 109             }
 110 
 111             @Override
 112             public String getString(int id) {
 113                 throw new UnsupportedOperationException("Not supported yet.");
 114             }
 115         });
 116         t.visit(getPool(), resources);
 117     }
 118 
 119     private static class RenameClassVisitor extends ClassVisitor {
 120 
 121         public RenameClassVisitor(ClassWriter cv) {
 122             super(Opcodes.ASM5, cv);
 123         }
 124 
 125         @Override
 126         public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
 127             super.visit(version, access, "RENAMED", signature, superName, interfaces);
 128         }
 129     }
 130 
 131     private void testNull() throws Exception {
 132         AsmPlugin t = new AsmPlugin() {
 133             @Override
 134             public void visit(AsmPools pools) {
 135                 action(() -> pools.getModulePool(null), "Module name is null", NullPointerException.class);
 136                 action(() -> pools.fillOutputResources(null), "Output resource is null", NullPointerException.class);
 137             }
 138         };
 139         ModulePool resources = new ModulePoolImpl(ByteOrder.BIG_ENDIAN, new StringTable() {
 140             @Override
 141             public int addString(String str) {
 142                 return -1;
 143             }
 144 
 145             @Override
 146             public String getString(int id) {
 147                 throw new UnsupportedOperationException("Not supported yet.");
 148             }
 149         });
 150         action(() -> t.visit(null, resources), "Input resource is null", NullPointerException.class);
 151         action(() -> t.visit(resources, null), "Output resource is null", NullPointerException.class);
 152         t.visit(resources, resources);
 153     }
 154 
 155     private void action(Action action, String message, Class<? extends Exception> expected) {
 156         try {
 157             System.err.println("Testing: " + message);
 158             action.call();
 159             throw new AssertionError(message + ": should have failed");
 160         } catch (Exception e) {
 161             if (!expected.isInstance(e)) {
 162                 throw new RuntimeException(e);
 163             } else {
 164                 System.err.println("Got exception as expected: " + e);
 165             }
 166         }
 167     }
 168 
 169     private interface Action {
 170         void call() throws Exception;
 171     }
 172 }