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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/profiles/ExactClassValueProfileTest.java @ 22501:a63bda98cfdb

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Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
author Christian Humer <christian.humer@oracle.com>
date Wed, 16 Dec 2015 16:38:13 +0100
parents truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/utilities/ExactClassValueProfileTest.java@1cb72700c10e
children 4ba1aa33fda4
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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.profiles;
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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 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 @DataPoint public static final TestBaseClass O6 = new TestBaseClass();
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47 @DataPoint public static final TestSubClass O7 = new TestSubClass();
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48
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49 private ValueProfile.ExactClass profile;
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50
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51 private static class TestBaseClass {
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52 }
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53
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54 private static class TestSubClass extends TestBaseClass {
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55 }
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56
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57 @Before
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58 public void create() {
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59 profile = (ValueProfile.ExactClass) ValueProfile.ExactClass.create();
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60 }
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61
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62 @Test
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63 public void testInitial() throws Exception {
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64 assertThat(isGeneric(profile), is(false));
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65 assertThat(isUninitialized(profile), is(true));
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66 assertNull(getCachedClass(profile));
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67 assertNotNull(profile.toString());
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68 }
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69
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70 @Theory
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71 public void testProfileOne(Object value) throws Exception {
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72 Object result = profile.profile(value);
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73
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74 assertThat(result, is(value));
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75 assertEquals(expectedClass(value), getCachedClass(profile));
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76 assertThat(isUninitialized(profile), is(false));
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77 assertNotNull(profile.toString());
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78 }
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79
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80 @Theory
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81 public void testProfileTwo(Object value0, Object value1) throws Exception {
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82 Object result0 = profile.profile(value0);
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83 Object result1 = profile.profile(value1);
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84
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85 assertThat(result0, is(value0));
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86 assertThat(result1, is(value1));
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87
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88 Object expectedClass = expectedClass(value0) == expectedClass(value1) ? expectedClass(value0) : Object.class;
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89
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90 assertEquals(expectedClass, getCachedClass(profile));
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91 assertThat(isUninitialized(profile), is(false));
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92 assertThat(isGeneric(profile), is(expectedClass == Object.class));
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93 assertNotNull(profile.toString());
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94 }
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95
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96 @Theory
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97 public void testProfileThree(Object value0, Object value1, Object value2) throws Exception {
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98 Object result0 = profile.profile(value0);
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99 Object result1 = profile.profile(value1);
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100 Object result2 = profile.profile(value2);
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101
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102 assertThat(result0, is(value0));
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103 assertThat(result1, is(value1));
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104 assertThat(result2, is(value2));
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105
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106 Object expectedClass = expectedClass(value0) == expectedClass(value1) && expectedClass(value1) == expectedClass(value2) ? expectedClass(value0) : Object.class;
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107
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108 assertEquals(expectedClass, getCachedClass(profile));
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109 assertThat(isUninitialized(profile), is(false));
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110 assertThat(isGeneric(profile), is(expectedClass == Object.class));
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111 assertNotNull(profile.toString());
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112 }
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113
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114 private static Class<?> expectedClass(Object value) {
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115 return value == null ? Object.class : value.getClass();
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116 }
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117
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118 private static Object getCachedClass(ValueProfile.ExactClass profile) throws Exception {
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119 return profile.getCachedClass();
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120 }
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121
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122 private static boolean isUninitialized(ValueProfile.ExactClass profile) throws Exception {
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123 return profile.isUninitialized();
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124 }
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125
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126 private static boolean isGeneric(ValueProfile.ExactClass profile) throws Exception {
a63bda98cfdb Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
Christian Humer <christian.humer@oracle.com>
parents: 22493
diff changeset
127 return profile.isGeneric();
22064
02015aac6be9 Removing IdentityValueProfile and ExactClassValueProfile classes from the API
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents: 21951
diff changeset
128 }
17039
1e542561783e Truffle: new value profiles prototype.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
129 }