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annotate test/runtime/invokedynamic/BootstrapMethodErrorTest.java @ 23926:340e1a736ef7 jdk8u102-b12

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Merge
author asaha
date Mon, 13 Jun 2016 13:12:13 -0700
parents 81bed6c76a89
children
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23061
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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 * @test
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26 * @bug 8051045
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27 * @summary Test that exceptions from invokedynamic are wrapped in BootstrapMethodError
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28 * @modules java.base/jdk.internal.org.objectweb.asm
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29 * @run main BootstrapMethodErrorTest
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30 */
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31
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32 import java.lang.reflect.Method;
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33 import java.lang.invoke.MethodHandle;
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34 import java.lang.invoke.MethodHandles;
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35 import static java.lang.invoke.MethodHandles.*;
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36 import static java.lang.invoke.MethodType.*;
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37
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38 import jdk.internal.org.objectweb.asm.ClassWriter;
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39 import jdk.internal.org.objectweb.asm.Handle;
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40 import jdk.internal.org.objectweb.asm.MethodVisitor;
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41 import jdk.internal.org.objectweb.asm.Opcodes;
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42
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43 public class BootstrapMethodErrorTest extends ClassLoader implements Opcodes {
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44
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45 @Override
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46 public Class findClass(String name) throws ClassNotFoundException {
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47 byte[] b;
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48 try {
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49 b = loadClassData(name);
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50 } catch (Throwable th) {
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51 throw new ClassNotFoundException("Loading error", th);
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52 }
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53 return defineClass(name, b, 0, b.length);
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54 }
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55
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56 private byte[] loadClassData(String name) throws Exception {
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57 ClassWriter cw = new ClassWriter(0);
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58 MethodVisitor mv;
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59
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60 if (name.equals("C")) {
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61 cw.visit(52, ACC_SUPER | ACC_PUBLIC, "C", null, "java/lang/Object", null);
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62 {
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63 mv = cw.visitMethod(ACC_PRIVATE | ACC_STATIC, "m", "()V", null, null);
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64 mv.visitCode();
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65 mv.visitInsn(RETURN);
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66 mv.visitMaxs(0, 1);
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67 mv.visitEnd();
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68 }
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69 cw.visitEnd();
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70 return cw.toByteArray();
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71 } else if (name.equals("Exec")) {
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72 cw.visit(52, ACC_SUPER | ACC_PUBLIC, "Exec", null, "java/lang/Object", null);
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73 {
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74 mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "invokeRef", "()V", null, null);
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75 mv.visitCode();
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76 Handle h = new Handle(H_INVOKESTATIC, "C", "m", "()V");
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77 mv.visitInvokeDynamicInsn("C", "()V", h);
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78 mv.visitInsn(RETURN);
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79 mv.visitMaxs(0, 0);
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80 mv.visitEnd();
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81 }
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82 cw.visitEnd();
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83 return cw.toByteArray();
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84 }
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85 return null;
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86 }
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87
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88 public static void main(String[] args) throws ClassNotFoundException, IllegalAccessException, NoSuchMethodException {
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89 new BootstrapMethodErrorTest().test();
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90 }
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91
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92 public void test() throws ClassNotFoundException, IllegalAccessException, NoSuchMethodException {
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93 Class.forName("C", true, this);
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94 Class<?> exec = Class.forName("Exec", true, this);
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95
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96 try {
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97 exec.getMethod("invokeRef").invoke(null);
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98 } catch (Throwable e) {
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99 Throwable c = e.getCause();
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100 if (c == null) {
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101 throw new RuntimeException(
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102 "Expected BootstrapMethodError wrapped in an InvocationTargetException but it wasn't wrapped", e);
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103 } else if (c instanceof BootstrapMethodError) {
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104 // Only way to pass test, all else should throw
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105 return;
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106 } else {
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107 throw new RuntimeException(
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108 "Expected BootstrapMethodError but got another Error: "
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109 + c.getClass().getName(),
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110 c);
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111 }
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112 }
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113 throw new RuntimeException("Expected BootstrapMethodError but no Error at all was thrown");
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114 }
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115 }