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annotate graal/com.oracle.graal.java.test/src/com/oracle/graal/java/test/TestConstantReflectionProvider.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents d12eaef9af72
children
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1 /*
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2 * Copyright (c) 2012, 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.graal.java.test;
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24
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25 import static org.junit.Assert.*;
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26
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27 import java.lang.reflect.*;
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28
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29 import org.junit.*;
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30
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31 import com.oracle.jvmci.meta.*;
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32
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33 /**
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34 * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that
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35 * actually returns non-null results for access operations that are possible, i.e., the tests will
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36 * fail for an implementation that spuriously returns null (which is allowed by the specification).
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37 */
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38 public class TestConstantReflectionProvider extends TypeUniverse {
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39
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40 @Test
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41 public void constantEqualsTest() {
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42 for (JavaConstant c1 : constants) {
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43 for (JavaConstant c2 : constants) {
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44 // test symmetry
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45 assertEquals(constantReflection.constantEquals(c1, c2), constantReflection.constantEquals(c2, c1));
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46 if (c1.getKind() != Kind.Object && c2.getKind() != Kind.Object) {
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47 assertEquals(c1.equals(c2), constantReflection.constantEquals(c2, c1));
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48 }
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49 }
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50 }
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51 }
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52
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53 @Test
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54 public void readArrayLengthTest() {
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55 for (JavaConstant c : constants) {
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56 Integer actual = constantReflection.readArrayLength(c);
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57 if (c.getKind() != Kind.Object || c.isNull() || !snippetReflection.asObject(Object.class, c).getClass().isArray()) {
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58 assertNull(actual);
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59 } else {
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60 assertNotNull(actual);
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61 int actualInt = actual;
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62 assertEquals(Array.getLength(snippetReflection.asObject(Object.class, c)), actualInt);
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63 }
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64 }
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65 }
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66
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67 @Test
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68 public void boxTest() {
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69 for (JavaConstant c : constants) {
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70 JavaConstant boxed = constantReflection.boxPrimitive(c);
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71 if (c.getKind().isPrimitive()) {
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72 assertTrue(boxed.getKind().isObject());
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73 assertFalse(boxed.isNull());
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74 }
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75 }
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76
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77 assertEquals(Long.valueOf(42), snippetReflection.asObject(Long.class, constantReflection.boxPrimitive(JavaConstant.forLong(42))));
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78 assertEquals(Integer.valueOf(66), snippetReflection.asObject(Integer.class, constantReflection.boxPrimitive(JavaConstant.forInt(66))));
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79 assertEquals(Byte.valueOf((byte) 123), snippetReflection.asObject(Byte.class, constantReflection.boxPrimitive(JavaConstant.forByte((byte) 123))));
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80 assertSame(Boolean.TRUE, snippetReflection.asObject(Boolean.class, constantReflection.boxPrimitive(JavaConstant.forBoolean(true))));
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81
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82 assertNull(constantReflection.boxPrimitive(JavaConstant.NULL_POINTER));
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83 assertNull(constantReflection.boxPrimitive(snippetReflection.forObject("abc")));
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84 }
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85
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86 @Test
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87 public void unboxTest() {
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88 for (JavaConstant c : constants) {
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89 JavaConstant unboxed = c.isNull() ? null : constantReflection.unboxPrimitive(c);
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90 if (unboxed != null) {
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91 assertFalse(unboxed.getKind().isObject());
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92 }
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93 }
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94
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95 assertEquals(JavaConstant.forLong(42), constantReflection.unboxPrimitive(snippetReflection.forObject(Long.valueOf(42))));
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96 assertEquals(JavaConstant.forInt(66), constantReflection.unboxPrimitive(snippetReflection.forObject(Integer.valueOf(66))));
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97 assertEquals(JavaConstant.forByte((byte) 123), constantReflection.unboxPrimitive(snippetReflection.forObject(Byte.valueOf((byte) 123))));
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98 assertSame(JavaConstant.forBoolean(true), constantReflection.unboxPrimitive(snippetReflection.forObject(Boolean.TRUE)));
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99
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100 assertNull(constantReflection.unboxPrimitive(JavaConstant.NULL_POINTER));
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101 assertNull(constantReflection.unboxPrimitive(snippetReflection.forObject("abc")));
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102 }
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103 }