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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/utilities/ExactClassValueProfileTest.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 02015aac6be9
children
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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.test.utilities;
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24
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25 import com.oracle.truffle.api.utilities.ValueProfile;
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26 import java.lang.reflect.Method;
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27 import static org.hamcrest.CoreMatchers.is;
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28 import static org.junit.Assert.assertEquals;
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29 import static org.junit.Assert.assertNull;
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30 import static org.junit.Assert.assertThat;
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31 import org.junit.Before;
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32 import org.junit.Test;
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33 import org.junit.experimental.theories.DataPoint;
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34 import org.junit.experimental.theories.Theories;
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35 import org.junit.experimental.theories.Theory;
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36 import org.junit.runner.RunWith;
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37
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38 @RunWith(Theories.class)
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39 public class ExactClassValueProfileTest {
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40
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41 @DataPoint public static final String O1 = new String();
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42 @DataPoint public static final String O2 = new String();
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43 @DataPoint public static final Object O3 = new Object();
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44 @DataPoint public static final Integer O4 = new Integer(1);
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45 @DataPoint public static final Integer O5 = null;
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46
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47 private ValueProfile profile;
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48
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49 @Before
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50 public void create() {
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51 profile = ValueProfile.createClassProfile();
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52 }
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53
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54 @Test
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55 public void testInitial() throws Exception {
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56 assertThat(isGeneric(profile), is(false));
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57 assertThat(isUninitialized(profile), is(true));
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58 assertNull(getCachedClass(profile));
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59 profile.toString(); // test that it is not crashing
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60 }
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61
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62 @Theory
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63 public void testProfileOne(Object value) throws Exception {
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64 Object result = profile.profile(value);
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65
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66 assertThat(result, is(value));
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67 assertEquals(getCachedClass(profile), expectedClass(value));
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68 assertThat(isUninitialized(profile), is(false));
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69 profile.toString(); // test that it is not crashing
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70 }
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71
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72 @Theory
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73 public void testProfileTwo(Object value0, Object value1) throws Exception {
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74 Object result0 = profile.profile(value0);
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75 Object result1 = profile.profile(value1);
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76
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77 assertThat(result0, is(value0));
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78 assertThat(result1, is(value1));
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79
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80 Object expectedClass = expectedClass(value0) == expectedClass(value1) ? expectedClass(value0) : Object.class;
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81
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82 assertEquals(getCachedClass(profile), expectedClass);
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83 assertThat(isUninitialized(profile), is(false));
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84 assertThat(isGeneric(profile), is(expectedClass == Object.class));
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85 profile.toString(); // test that it is not crashing
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86 }
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87
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88 @Theory
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89 public void testProfileThree(Object value0, Object value1, Object value2) throws Exception {
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90 Object result0 = profile.profile(value0);
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91 Object result1 = profile.profile(value1);
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92 Object result2 = profile.profile(value2);
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93
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94 assertThat(result0, is(value0));
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95 assertThat(result1, is(value1));
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96 assertThat(result2, is(value2));
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97
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98 Object expectedClass = expectedClass(value0) == expectedClass(value1) && expectedClass(value1) == expectedClass(value2) ? expectedClass(value0) : Object.class;
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99
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100 assertEquals(getCachedClass(profile), expectedClass);
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101 assertThat(isUninitialized(profile), is(false));
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102 assertThat(isGeneric(profile), is(expectedClass == Object.class));
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103 profile.toString(); // test that it is not crashing
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104 }
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105
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106 private static Class<?> expectedClass(Object value) {
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107 return value == null ? Object.class : value.getClass();
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108 }
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109
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110 private static Object get(String name, ValueProfile profile) throws Exception {
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111 final Method m = profile.getClass().getDeclaredMethod(name);
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112 m.setAccessible(true);
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113 return m.invoke(profile);
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114 }
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115
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116 private static Object getCachedClass(ValueProfile profile) throws Exception {
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117 return get("getCachedClass", profile);
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118 }
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119
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120 private static boolean isUninitialized(ValueProfile profile) throws Exception {
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121 return (Boolean) get("isUninitialized", profile);
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122 }
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123
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124 private static boolean isGeneric(ValueProfile profile) throws Exception {
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125 return (Boolean) get("isGeneric", profile);
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126 }
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127 }