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1 /* |
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2 * Copyright (c) 2009 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 import java.lang.annotation.*; |
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25 import java.io.*; |
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26 import java.net.URL; |
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27 import java.util.List; |
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28 |
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29 import com.sun.tools.classfile.*; |
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30 |
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31 /* |
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32 * @test |
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33 * @bug 6843077 8006775 |
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34 * @summary test that typecasts annotation are emitted if only the cast |
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35 * expression is optimized away |
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36 */ |
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37 |
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38 public class TypeCasts extends ClassfileTestHelper{ |
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39 public static void main(String[] args) throws Exception { |
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40 new TypeCasts().run(); |
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41 } |
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42 |
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43 public void run() throws Exception { |
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44 expected_tinvisibles = 4; |
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45 expected_tvisibles = 0; |
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46 |
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47 ClassFile cf = getClassFile("TypeCasts$Test.class"); |
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48 test(cf); |
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49 for (Field f : cf.fields) { |
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50 test(cf, f); |
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51 } |
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52 for (Method m: cf.methods) { |
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53 test(cf, m); |
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54 } |
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55 |
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56 countAnnotations(); |
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57 |
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58 if (errors > 0) |
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59 throw new Exception(errors + " errors found"); |
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60 System.out.println("PASSED"); |
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61 } |
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62 |
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63 /*********************** Test class *************************/ |
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64 static class Test { |
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65 @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) |
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66 @interface A {} |
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67 |
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68 void emit() { |
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69 Object o = null; |
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70 String s = null; |
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71 |
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72 String a0 = (@A String)o; |
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73 Object a1 = (@A Object)o; |
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74 |
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75 String b0 = (@A String)s; |
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76 Object b1 = (@A Object)s; |
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77 } |
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78 |
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79 void alldeadcode() { |
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80 Object o = null; |
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81 |
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82 if (false) { |
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83 String a0 = (@A String)o; |
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84 } |
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85 } |
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86 } |
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87 } |