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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LazyClassLoadingTest.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children 14e6dfb1ef05
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1 /*
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2 * Copyright (c) 2014, 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 package com.oracle.truffle.api.dsl.test;
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24
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25 import com.oracle.truffle.api.dsl.NodeChild;
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26 import com.oracle.truffle.api.dsl.NodeFactory;
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27 import com.oracle.truffle.api.dsl.Specialization;
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28 import com.oracle.truffle.api.dsl.test.LazyClassLoadingTestFactory.TestNodeFactory;
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29 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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30 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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31 import java.lang.reflect.InvocationTargetException;
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32 import java.lang.reflect.Method;
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33 import org.junit.Assert;
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34 import org.junit.Test;
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35
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36 public class LazyClassLoadingTest {
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37 @Test
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38 public void test() {
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39 String factoryName = TestNodeFactory.class.getName();
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40 String nodeName = factoryName + "$" + TestNode.class.getSimpleName() + "Gen";
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41 Assert.assertTrue(isLoaded(factoryName));
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42 Assert.assertFalse(isLoaded(nodeName));
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43
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44 NodeFactory<TestNode> factory = TestNodeFactory.getInstance();
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45 Assert.assertTrue(isLoaded(factoryName));
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46 Assert.assertTrue(isLoaded(nodeName));
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47
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48 Assert.assertFalse(isLoaded(nodeName + "$UninitializedNode_"));
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49 Assert.assertFalse(isLoaded(nodeName + "$BaseNode_"));
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50 Assert.assertFalse(isLoaded(nodeName + "$IntNode_"));
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51 Assert.assertFalse(isLoaded(nodeName + "$BooleanNode_"));
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52 Assert.assertFalse(isLoaded(nodeName + "$PolymorphicNode_"));
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53
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54 TestRootNode<TestNode> root = TestHelper.createRoot(factory);
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55
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56 Assert.assertTrue(isLoaded(nodeName + "$UninitializedNode_"));
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57 Assert.assertTrue(isLoaded(nodeName + "$BaseNode_"));
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58 Assert.assertFalse(isLoaded(nodeName + "$IntNode_"));
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59 Assert.assertFalse(isLoaded(nodeName + "$BooleanNode_"));
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60 Assert.assertFalse(isLoaded(nodeName + "$PolymorphicNode_"));
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61
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62 Assert.assertEquals(42, TestHelper.executeWith(root, 42));
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63
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64 Assert.assertTrue(isLoaded(nodeName + "$IntNode_"));
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65 Assert.assertFalse(isLoaded(nodeName + "$BooleanNode_"));
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66 Assert.assertFalse(isLoaded(nodeName + "$PolymorphicNode_"));
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67
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68 Assert.assertEquals(true, TestHelper.executeWith(root, true));
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69
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70 Assert.assertTrue(isLoaded(nodeName + "$IntNode_"));
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71 Assert.assertTrue(isLoaded(nodeName + "$BooleanNode_"));
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72 Assert.assertTrue(isLoaded(nodeName + "$PolymorphicNode_"));
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73 }
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74
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75 private boolean isLoaded(String className) {
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76 ClassLoader classLoader = getClass().getClassLoader();
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77 Method m;
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78 try {
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79 m = ClassLoader.class.getDeclaredMethod("findLoadedClass", String.class);
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80 m.setAccessible(true);
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81 return m.invoke(classLoader, className) != null;
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82 } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
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83 throw new RuntimeException(e);
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84 }
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85 }
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86
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87 @NodeChild("a")
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88 abstract static class TestNode extends ValueNode {
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89
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90 @Specialization
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91 int doInt(int a) {
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92 return a;
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93 }
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94
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95 @Specialization
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96 boolean doBoolean(boolean a) {
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97 return a;
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98 }
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99
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100 }
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101 }