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annotate graal/com.oracle.graal.test/src/com/oracle/graal/test/GraalTest.java @ 16390:ae8f4016792a

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HSAIL: added support for several missing java.lang.Math routines Contributed-by: Tom Deneau <tom.deneau@amd.com> Contributed-by: Gustav Trede <gustav.trede@gmail.com>
author Doug Simon <doug.simon@oracle.com>
date Wed, 02 Jul 2014 23:40:19 +0200
parents 3b6f898a2384
children 86ec7f6f71b3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2013, 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.test;
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24
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25 import java.io.*;
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26 import java.lang.reflect.*;
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27 import java.util.*;
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28
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29 import org.junit.*;
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30 import org.junit.internal.*;
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31 import static org.junit.Assert.*;
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32
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33 /**
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34 * Base class for Graal tests.
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35 * <p>
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36 * This contains common utility methods and classes that are used in tests.
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37 */
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38 public class GraalTest {
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39
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40 protected Method getMethod(String methodName) {
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41 return getMethod(getClass(), methodName);
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42 }
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43
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44 protected Method getMethod(Class<?> clazz, String methodName) {
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45 Method found = null;
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46 for (Method m : clazz.getMethods()) {
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47 if (m.getName().equals(methodName)) {
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48 Assert.assertNull(found);
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49 found = m;
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50 }
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51 }
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52 if (found == null) {
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53 /* Now look for non-public methods (but this does not look in superclasses). */
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54 for (Method m : clazz.getDeclaredMethods()) {
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55 if (m.getName().equals(methodName)) {
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56 Assert.assertNull(found);
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57 found = m;
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58 }
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59 }
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60 }
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61 if (found != null) {
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62 return found;
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63 } else {
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64 throw new RuntimeException("method not found: " + methodName);
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65 }
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66 }
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67
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68 protected Method getMethod(Class<?> clazz, String methodName, Class<?>[] parameterTypes) {
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69 try {
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70 return clazz.getMethod(methodName, parameterTypes);
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71 } catch (NoSuchMethodException | SecurityException e) {
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72 throw new RuntimeException("method not found: " + methodName + "" + Arrays.toString(parameterTypes));
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73 }
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74 }
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75
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76 /**
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77 * Compares two given objects for {@linkplain Assert#assertEquals(Object, Object) equality}.
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78 * Does a deep copy equality comparison if {@code expected} is an array.
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79 */
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80 protected void assertDeepEquals(Object expected, Object actual) {
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81 assertDeepEquals(null, expected, actual);
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82 }
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83
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84 /**
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85 * Compares two given objects for {@linkplain Assert#assertEquals(Object, Object) equality}.
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86 * Does a deep copy equality comparison if {@code expected} is an array.
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87 *
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88 * @param message the identifying message for the {@link AssertionError}
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89 */
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90 protected void assertDeepEquals(String message, Object expected, Object actual) {
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91 if (ulpsDelta() > 0) {
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92 assertDeepEquals(message, expected, actual, ulpsDelta());
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93 } else {
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94 assertDeepEquals(message, expected, actual, equalFloatsOrDoublesDelta());
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95 }
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96 }
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97
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98 /**
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99 * Compares two given values for equality, doing a recursive test if both values are arrays of
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100 * the same type.
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101 *
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102 * @param message the identifying message for the {@link AssertionError}
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103 * @param delta the maximum delta between two doubles or floats for which both numbers are still
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104 * considered equal.
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105 */
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106 protected void assertDeepEquals(String message, Object expected, Object actual, double delta) {
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107 if (expected != null && actual != null) {
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108 Class<?> expectedClass = expected.getClass();
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109 Class<?> actualClass = actual.getClass();
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110 if (expectedClass.isArray()) {
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111 Assert.assertTrue(message, expected != null);
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112 Assert.assertTrue(message, actual != null);
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113 Assert.assertEquals(message, expectedClass, actual.getClass());
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114 if (expected instanceof int[]) {
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115 Assert.assertArrayEquals(message, (int[]) expected, (int[]) actual);
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116 } else if (expected instanceof byte[]) {
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117 Assert.assertArrayEquals(message, (byte[]) expected, (byte[]) actual);
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118 } else if (expected instanceof char[]) {
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119 Assert.assertArrayEquals(message, (char[]) expected, (char[]) actual);
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120 } else if (expected instanceof short[]) {
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121 Assert.assertArrayEquals(message, (short[]) expected, (short[]) actual);
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122 } else if (expected instanceof float[]) {
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123 Assert.assertArrayEquals(message, (float[]) expected, (float[]) actual, (float) delta);
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124 } else if (expected instanceof long[]) {
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125 Assert.assertArrayEquals(message, (long[]) expected, (long[]) actual);
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126 } else if (expected instanceof double[]) {
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127 Assert.assertArrayEquals(message, (double[]) expected, (double[]) actual, delta);
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128 } else if (expected instanceof boolean[]) {
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129 new ExactComparisonCriteria().arrayEquals(message, expected, actual);
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130 } else if (expected instanceof Object[]) {
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131 new ComparisonCriteria() {
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132 @Override
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133 protected void assertElementsEqual(Object e, Object a) {
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134 assertDeepEquals(message, e, a, delta);
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135 }
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136 }.arrayEquals(message, expected, actual);
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137 } else {
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138 Assert.fail((message == null ? "" : message) + "non-array value encountered: " + expected);
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139 }
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140 } else if (expectedClass.equals(double.class) && actualClass.equals(double.class)) {
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141 Assert.assertEquals((double) expected, (double) actual, delta);
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142 } else if (expectedClass.equals(float.class) && actualClass.equals(float.class)) {
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143 Assert.assertEquals((float) expected, (float) actual, delta);
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144 } else {
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145 Assert.assertEquals(message, expected, actual);
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146 }
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147 } else {
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148 Assert.assertEquals(message, expected, actual);
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149 }
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150 }
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151
15622
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152 /**
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153 * Compares two given values for equality, doing a recursive test if both values are arrays of
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154 * the same type. Uses {@linkplain StrictMath#ulp(float) ULP}s for comparison of floats.
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155 *
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156 * @param message the identifying message for the {@link AssertionError}
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157 * @param ulpsDelta the maximum allowed ulps difference between two doubles or floats for which
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158 * both numbers are still considered equal.
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159 */
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160 protected void assertDeepEquals(String message, Object expected, Object actual, int ulpsDelta) {
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161 ComparisonCriteria doubleUlpsDeltaCriteria = new ComparisonCriteria() {
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162 @Override
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163 protected void assertElementsEqual(Object e, Object a) {
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164 assertTrue(message, e instanceof Double && a instanceof Double);
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165 // determine acceptable error based on whether it is a normal number or a NaN/Inf
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166 double de = (Double) e;
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167 double epsilon = (!Double.isNaN(de) && Double.isFinite(de) ? ulpsDelta * Math.ulp(de) : 0);
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168 Assert.assertEquals(message, (Double) e, (Double) a, epsilon);
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169 }
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170 };
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171
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172 ComparisonCriteria floatUlpsDeltaCriteria = new ComparisonCriteria() {
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173 @Override
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174 protected void assertElementsEqual(Object e, Object a) {
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175 assertTrue(message, e instanceof Float && a instanceof Float);
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176 // determine acceptable error based on whether it is a normal number or a NaN/Inf
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177 float fe = (Float) e;
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178 float epsilon = (!Float.isNaN(fe) && Float.isFinite(fe) ? ulpsDelta * Math.ulp(fe) : 0);
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179 Assert.assertEquals(message, (Float) e, (Float) a, epsilon);
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180 }
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181 };
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182
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183 if (expected != null && actual != null) {
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184 Class<?> expectedClass = expected.getClass();
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185 Class<?> actualClass = actual.getClass();
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186 if (expectedClass.isArray()) {
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187 Assert.assertEquals(message, expectedClass, actualClass);
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188 if (expected instanceof double[] || expected instanceof Object[]) {
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189 doubleUlpsDeltaCriteria.arrayEquals(message, expected, actual);
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190 return;
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191 } else if (expected instanceof float[] || expected instanceof Object[]) {
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192 floatUlpsDeltaCriteria.arrayEquals(message, expected, actual);
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193 return;
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194 }
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195 } else if (expectedClass.equals(double.class) && actualClass.equals(double.class)) {
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196 doubleUlpsDeltaCriteria.arrayEquals(message, expected, actual);
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197 return;
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198 } else if (expectedClass.equals(float.class) && actualClass.equals(float.class)) {
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199 floatUlpsDeltaCriteria.arrayEquals(message, expected, actual);
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200 return;
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201 }
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202 }
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203 // anything else just use the non-ulps version
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204 assertDeepEquals(message, expected, actual, equalFloatsOrDoublesDelta());
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205 }
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206
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207 /**
15622
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208 * Gets the value used by {@link #assertDeepEquals(Object, Object)} and
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209 * {@link #assertDeepEquals(String, Object, Object)} for the maximum delta between two doubles
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210 * or floats for which both numbers are still considered equal.
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211 */
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212 protected double equalFloatsOrDoublesDelta() {
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213 return 0.0D;
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214 }
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215
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216 // unless overridden ulpsDelta is not used
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217 protected int ulpsDelta() {
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218 return 0;
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219 }
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220
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diff changeset
221 @SuppressWarnings("serial")
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diff changeset
222 public static class MultiCauseAssertionError extends AssertionError {
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223
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224 private Throwable[] causes;
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225
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226 public MultiCauseAssertionError(String message, Throwable... causes) {
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227 super(message);
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diff changeset
228 this.causes = causes;
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diff changeset
229 }
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230
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diff changeset
231 @Override
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diff changeset
232 public void printStackTrace(PrintStream out) {
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diff changeset
233 super.printStackTrace(out);
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diff changeset
234 int num = 0;
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diff changeset
235 for (Throwable cause : causes) {
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diff changeset
236 if (cause != null) {
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diff changeset
237 out.print("cause " + (num++));
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diff changeset
238 cause.printStackTrace(out);
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239 }
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240 }
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241 }
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242
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diff changeset
243 @Override
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diff changeset
244 public void printStackTrace(PrintWriter out) {
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diff changeset
245 super.printStackTrace(out);
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diff changeset
246 int num = 0;
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diff changeset
247 for (Throwable cause : causes) {
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diff changeset
248 if (cause != null) {
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diff changeset
249 out.print("cause " + (num++) + ": ");
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diff changeset
250 cause.printStackTrace(out);
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diff changeset
251 }
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252 }
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253 }
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254 }
7717
cf94bd18eb47 lift GraalCompilerTest.getMethod to a common base class
Roland Schatz <roland.schatz@oracle.com>
parents:
diff changeset
255 }