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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/utilities/ExactClassValueProfileTest.java @ 22493:1cb72700c10e

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Increase test coverage for ExactClassValueProfile class.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 12 Dec 2015 13:34:49 +0100
parents b39b603e2a1e
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.utilities;
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24
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25 import static org.hamcrest.CoreMatchers.is;
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26 import static org.junit.Assert.assertEquals;
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27 import static org.junit.Assert.assertNotNull;
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28 import static org.junit.Assert.assertNull;
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29 import static org.junit.Assert.assertThat;
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30
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31 import java.lang.reflect.Method;
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32
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33 import org.junit.Before;
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34 import org.junit.Test;
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35 import org.junit.experimental.theories.DataPoint;
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36 import org.junit.experimental.theories.Theories;
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37 import org.junit.experimental.theories.Theory;
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38 import org.junit.runner.RunWith;
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39
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40 @RunWith(Theories.class)
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41 public class ExactClassValueProfileTest {
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42
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43 @DataPoint public static final String O1 = new String();
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44 @DataPoint public static final String O2 = new String();
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45 @DataPoint public static final Object O3 = new Object();
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46 @DataPoint public static final Integer O4 = new Integer(1);
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47 @DataPoint public static final Integer O5 = null;
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48 @DataPoint public static final TestBaseClass O6 = new TestBaseClass();
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49 @DataPoint public static final TestSubClass O7 = new TestSubClass();
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50
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51 private ValueProfile profile;
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52
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53 private static class TestBaseClass {
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54 }
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55
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56 private static class TestSubClass extends TestBaseClass {
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57 }
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58
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59 @Before
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60 public void create() {
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61 profile = ValueProfile.createClassProfile();
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62 }
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63
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64 @Test
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65 public void testInitial() throws Exception {
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66 assertThat(isGeneric(profile), is(false));
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67 assertThat(isUninitialized(profile), is(true));
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68 assertNull(getCachedClass(profile));
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69 assertNotNull(profile.toString());
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70 }
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71
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72 @Theory
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73 public void testProfileOne(Object value) throws Exception {
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74 Object result = profile.profile(value);
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75
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76 assertThat(result, is(value));
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77 assertEquals(expectedClass(value), getCachedClass(profile));
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78 assertThat(isUninitialized(profile), is(false));
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79 assertNotNull(profile.toString());
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80 }
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81
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82 @Theory
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83 public void testProfileTwo(Object value0, Object value1) throws Exception {
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84 Object result0 = profile.profile(value0);
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85 Object result1 = profile.profile(value1);
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86
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87 assertThat(result0, is(value0));
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88 assertThat(result1, is(value1));
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89
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90 Object expectedClass = expectedClass(value0) == expectedClass(value1) ? expectedClass(value0) : Object.class;
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91
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92 assertEquals(expectedClass, getCachedClass(profile));
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93 assertThat(isUninitialized(profile), is(false));
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94 assertThat(isGeneric(profile), is(expectedClass == Object.class));
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95 assertNotNull(profile.toString());
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96 }
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97
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98 @Theory
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99 public void testProfileThree(Object value0, Object value1, Object value2) throws Exception {
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100 Object result0 = profile.profile(value0);
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101 Object result1 = profile.profile(value1);
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102 Object result2 = profile.profile(value2);
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103
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104 assertThat(result0, is(value0));
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105 assertThat(result1, is(value1));
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106 assertThat(result2, is(value2));
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107
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108 Object expectedClass = expectedClass(value0) == expectedClass(value1) && expectedClass(value1) == expectedClass(value2) ? expectedClass(value0) : Object.class;
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109
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110 assertEquals(expectedClass, getCachedClass(profile));
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111 assertThat(isUninitialized(profile), is(false));
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112 assertThat(isGeneric(profile), is(expectedClass == Object.class));
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113 assertNotNull(profile.toString());
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114 }
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115
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116 private static Class<?> expectedClass(Object value) {
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117 return value == null ? Object.class : value.getClass();
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118 }
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119
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120 private static Object get(String name, ValueProfile profile) throws Exception {
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121 final Method m = profile.getClass().getDeclaredMethod(name);
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122 m.setAccessible(true);
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123 return m.invoke(profile);
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124 }
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125
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126 private static Object getCachedClass(ValueProfile profile) throws Exception {
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127 return get("getCachedClass", profile);
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128 }
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129
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130 private static boolean isUninitialized(ValueProfile profile) throws Exception {
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131 return (Boolean) get("isUninitialized", profile);
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132 }
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133
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134 private static boolean isGeneric(ValueProfile profile) throws Exception {
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135 return (Boolean) get("isGeneric", profile);
02015aac6be9 Removing IdentityValueProfile and ExactClassValueProfile classes from the API
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
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136 }
17039
1e542561783e Truffle: new value profiles prototype.
Christian Humer <christian.humer@gmail.com>
parents:
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137 }