1 /* |
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * Asm plugin testing. |
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26 * @test |
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27 * @summary Test basic functionality. |
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28 * @author Jean-Francois Denise |
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29 * @modules java.base/jdk.internal.org.objectweb.asm |
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30 * jdk.jlink/jdk.tools.jlink.internal |
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31 * jdk.jlink/jdk.tools.jlink.internal.plugins.asm |
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32 * @build AsmPluginTestBase |
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33 * @run main IdentityPluginTest |
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34 */ |
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35 |
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36 import java.io.ByteArrayInputStream; |
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37 import java.io.IOException; |
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38 import java.io.UncheckedIOException; |
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39 |
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40 import jdk.internal.org.objectweb.asm.ClassReader; |
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41 import jdk.internal.org.objectweb.asm.ClassVisitor; |
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42 import jdk.internal.org.objectweb.asm.ClassWriter; |
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43 import jdk.internal.org.objectweb.asm.Opcodes; |
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44 import jdk.tools.jlink.internal.plugins.asm.AsmPool.WritableClassPool; |
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45 import jdk.tools.jlink.plugin.ModuleEntry; |
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46 import jdk.tools.jlink.plugin.ModulePool; |
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47 |
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48 public class IdentityPluginTest extends AsmPluginTestBase { |
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49 |
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50 public static void main(String[] args) throws Exception { |
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51 if (!isImageBuild()) { |
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52 System.err.println("Test not run. Not image build."); |
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53 return; |
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54 } |
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55 new IdentityPluginTest().test(); |
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56 } |
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57 |
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58 public void test() throws Exception { |
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59 IdentityPlugin asm = new IdentityPlugin(); |
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60 ModulePool resourcePool = asm.visit(getPool()); |
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61 asm.test(getPool(), resourcePool); |
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62 } |
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63 |
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64 private class IdentityPlugin extends TestPlugin { |
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65 |
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66 @Override |
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67 public void visit() { |
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68 for (ModuleEntry res : getPools().getGlobalPool().getClasses()) { |
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69 if (res.getPath().endsWith("module-info.class")) { |
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70 continue; |
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71 } |
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72 ClassReader reader = getPools().getGlobalPool().getClassReader(res); |
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73 ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES); |
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74 IdentityClassVisitor visitor = new IdentityClassVisitor(writer); |
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75 reader.accept(visitor, ClassReader.EXPAND_FRAMES); |
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76 getPools().getGlobalPool().getTransformedClasses().addClass(writer); |
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77 } |
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78 } |
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79 |
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80 @Override |
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81 public void test(ModulePool inResources, ModulePool outResources) throws IOException { |
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82 if (outResources.isEmpty()) { |
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83 throw new AssertionError("Empty result"); |
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84 } |
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85 if (!isVisitCalled()) { |
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86 throw new AssertionError("Resources not visited"); |
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87 } |
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88 WritableClassPool transformedClasses = getPools().getGlobalPool().getTransformedClasses(); |
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89 if (transformedClasses.getClasses().size() != getClasses().size()) { |
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90 throw new AssertionError("Number of transformed classes not equal to expected"); |
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91 } |
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92 for (String className : getClasses()) { |
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93 if (transformedClasses.getClassReader(className) == null) { |
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94 throw new AssertionError("Class not transformed " + className); |
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95 } |
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96 } |
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97 outResources.entries().forEach(r -> { |
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98 if (r.getPath().endsWith(".class") && !r.getPath().endsWith("module-info.class")) { |
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99 try { |
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100 ClassReader reader = new ClassReader(new ByteArrayInputStream(r.getBytes())); |
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101 ClassWriter w = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES); |
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102 reader.accept(w, ClassReader.EXPAND_FRAMES); |
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103 } catch (IOException exp) { |
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104 throw new UncheckedIOException(exp); |
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105 } |
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106 } |
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107 }); |
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108 } |
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109 |
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110 @Override |
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111 public String getName() { |
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112 return "identity-plugin"; |
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113 } |
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114 } |
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115 |
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116 private static class IdentityClassVisitor extends ClassVisitor { |
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117 public IdentityClassVisitor(ClassWriter cv) { |
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118 super(Opcodes.ASM5, cv); |
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119 } |
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120 } |
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121 } |
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