Mercurial > hg > truffle
annotate test/compiler/6865031/Test.java @ 17842:3ef5c627634a
8039392: Make jdk8u20 the default jprt release for hs25.20
Reviewed-by: kvn, dholmes
author | amurillo |
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date | Mon, 07 Apr 2014 22:13:55 -0700 |
parents | c18cbe5936b8 |
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1 /* |
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2 * Copyright 2009 Goldman Sachs International. 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 */ |
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24 |
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25 /* |
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26 * @test |
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27 * @bug 6865031 |
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28 * @summary Application gives bad result (throws bad exception) with compressed oops |
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29 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:HeapBaseMinAddress=32g -XX:-LoopUnswitching -XX:CompileCommand=inline,AbstractMemoryEfficientList.equals Test hello goodbye |
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30 */ |
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31 |
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32 import java.lang.ref.ReferenceQueue; |
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33 import java.lang.ref.WeakReference; |
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34 import java.util.ArrayList; |
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35 import java.util.Arrays; |
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36 import java.util.List; |
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37 |
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38 interface MyList { |
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39 public int size(); |
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40 public Object set(final int index, final Object element); |
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41 public Object get(final int index); |
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42 } |
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43 |
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44 abstract class AbstractMemoryEfficientList implements MyList { |
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45 abstract public int size(); |
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46 abstract public Object get(final int index); |
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47 abstract public Object set(final int index, final Object element); |
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48 |
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49 public boolean equals(Object o) { |
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50 if (o == this) { |
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51 return true; |
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52 } |
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53 |
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54 if (!(o instanceof MyList)) { |
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55 return false; |
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56 } |
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57 |
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58 final MyList that = (MyList) o; |
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59 if (this.size() != that.size()) { |
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60 return false; |
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61 } |
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62 |
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63 for (int i = 0; i < this.size(); i++) { |
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64 try { |
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65 if (!((this.get(i)).equals(that.get(i)))) { |
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66 return false; |
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67 } |
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68 } catch (IndexOutOfBoundsException e) { |
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69 System.out.println("THROWING RT EXC"); |
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70 System.out.println("concurrent modification of this:" + this.getClass() + ":" + System.identityHashCode(this) + "; that:" + that.getClass() + ":" + System.identityHashCode(that) + "; i:" + i); |
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71 e.printStackTrace(); |
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72 System.exit(97); |
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73 throw new RuntimeException("concurrent modification of this:" + this.getClass() + ":" + System.identityHashCode(this) + "; that:" + that.getClass() + ":" + System.identityHashCode(that) + "; i:" + i, e); |
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74 } |
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75 } |
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76 return true; |
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77 } |
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78 |
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79 public int hashCode() { |
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80 int hashCode = 1; |
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81 for (int i = 0; i < this.size(); i++) { |
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82 Object obj = this.get(i); |
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83 hashCode = 31 * hashCode + (obj == null ? 0 : obj.hashCode()); |
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84 } |
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85 return hashCode; |
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86 } |
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87 } |
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88 |
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89 final class SingletonList extends AbstractMemoryEfficientList { |
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90 private Object element1; |
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91 |
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92 SingletonList(final Object obj1) { |
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93 super(); |
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94 this.element1 = obj1; |
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95 } |
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96 |
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97 public int size() { |
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98 return 1; |
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99 } |
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100 |
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101 public Object get(final int index) { |
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102 if (index == 0) { |
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103 return this.element1; |
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104 } else { |
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105 throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + this.size()); |
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106 } |
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107 } |
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108 |
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109 public Object set(final int index, final Object element) { |
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110 if (index == 0) { |
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111 final Object previousElement = this.element1; |
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112 this.element1 = element; |
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113 return previousElement; |
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114 } else { |
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115 throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + this.size()); |
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116 } |
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117 } |
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118 } |
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119 |
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120 final class DoubletonList extends AbstractMemoryEfficientList { |
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121 private Object element1; |
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122 private Object element2; |
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123 |
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124 DoubletonList(final Object obj1, final Object obj2) { |
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125 this.element1 = obj1; |
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126 this.element2 = obj2; |
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127 } |
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128 |
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129 public int size() { |
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130 return 2; |
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131 } |
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132 |
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133 public Object get(final int index) { |
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134 switch (index) { |
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135 case 0 : return this.element1; |
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136 case 1 : return this.element2; |
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137 default: throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + this.size()); |
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138 } |
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139 } |
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140 |
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141 public Object set(final int index, final Object element) { |
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142 switch (index) { |
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143 case 0 : |
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144 { |
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145 final Object previousElement = this.element1; |
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146 this.element1 = element; |
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147 return previousElement; |
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148 } |
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149 case 1 : |
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150 { |
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151 final Object previousElement = this.element2; |
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152 this.element2 = element; |
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153 return previousElement; |
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154 } |
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155 default : throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + this.size()); |
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156 } |
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157 } |
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158 } |
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159 |
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160 class WeakPool<V> { |
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161 protected static final int DEFAULT_INITIAL_CAPACITY = 16; |
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162 private static final int MAXIMUM_CAPACITY = 1 << 30; |
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163 private static final float DEFAULT_LOAD_FACTOR = 0.75f; |
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164 |
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165 protected Entry<V>[] table; |
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166 |
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167 private int size; |
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168 protected int threshold; |
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169 private final float loadFactor; |
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170 private final ReferenceQueue<V> queue = new ReferenceQueue<V>(); |
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171 |
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172 public WeakPool() |
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173 { |
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174 this.loadFactor = DEFAULT_LOAD_FACTOR; |
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175 threshold = DEFAULT_INITIAL_CAPACITY; |
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176 table = new Entry[DEFAULT_INITIAL_CAPACITY]; |
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177 } |
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178 |
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179 /** |
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180 * Check for equality of non-null reference x and possibly-null y. By |
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181 * default uses Object.equals. |
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182 */ |
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183 private boolean eq(Object x, Object y) |
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184 { |
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185 return x == y || x.equals(y); |
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186 } |
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187 |
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188 /** |
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189 * Return index for hash code h. |
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190 */ |
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191 private int indexFor(int h, int length) |
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192 { |
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193 return h & length - 1; |
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194 } |
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195 |
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196 /** |
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197 * Expunge stale entries from the table. |
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198 */ |
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199 private void expungeStaleEntries() |
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200 { |
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201 Object r; |
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202 while ((r = queue.poll()) != null) |
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203 { |
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204 Entry e = (Entry) r; |
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205 int h = e.hash; |
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206 int i = indexFor(h, table.length); |
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207 |
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208 // System.out.println("EXPUNGING " + h); |
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209 Entry<V> prev = table[i]; |
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210 Entry<V> p = prev; |
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211 while (p != null) |
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212 { |
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213 Entry<V> next = p.next; |
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214 if (p == e) |
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215 { |
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216 if (prev == e) |
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217 { |
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218 table[i] = next; |
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219 } |
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220 else |
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221 { |
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222 prev.next = next; |
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223 } |
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224 e.next = null; // Help GC |
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225 size--; |
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226 break; |
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227 } |
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228 prev = p; |
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229 p = next; |
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230 } |
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231 } |
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232 } |
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233 |
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234 /** |
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235 * Return the table after first expunging stale entries |
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236 */ |
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237 private Entry<V>[] getTable() |
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238 { |
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239 expungeStaleEntries(); |
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240 return table; |
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241 } |
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242 |
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243 /** |
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244 * Returns the number of key-value mappings in this map. |
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245 * This result is a snapshot, and may not reflect unprocessed |
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246 * entries that will be removed before next attempted access |
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247 * because they are no longer referenced. |
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248 */ |
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249 public int size() |
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250 { |
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251 if (size == 0) |
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252 { |
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253 return 0; |
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254 } |
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255 expungeStaleEntries(); |
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256 return size; |
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257 } |
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258 |
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259 /** |
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260 * Returns <tt>true</tt> if this map contains no key-value mappings. |
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261 * This result is a snapshot, and may not reflect unprocessed |
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262 * entries that will be removed before next attempted access |
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263 * because they are no longer referenced. |
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264 */ |
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265 public boolean isEmpty() |
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266 { |
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267 return size() == 0; |
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268 } |
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269 |
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270 /** |
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271 * Returns the value stored in the pool that equals the requested key |
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272 * or <tt>null</tt> if the map contains no mapping for |
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273 * this key (or the key is null) |
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274 * |
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275 * @param key the key whose equals value is to be returned. |
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276 * @return the object that is equal the specified key, or |
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277 * <tt>null</tt> if key is null or no object in the pool equals the key. |
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278 */ |
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279 public V get(V key) |
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280 { |
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281 if (key == null) |
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282 { |
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283 return null; |
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284 } |
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285 int h = key.hashCode(); |
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286 Entry<V>[] tab = getTable(); |
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287 int index = indexFor(h, tab.length); |
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288 Entry<V> e = tab[index]; |
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289 while (e != null) |
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290 { |
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291 V candidate = e.get(); |
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292 if (e.hash == h && eq(key, candidate)) |
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293 { |
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294 return candidate; |
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295 } |
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296 e = e.next; |
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297 } |
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298 return null; |
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299 } |
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300 |
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301 /** |
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302 * Returns the entry associated with the specified key in the HashMap. |
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303 * Returns null if the HashMap contains no mapping for this key. |
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304 */ |
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305 Entry getEntry(Object key) |
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306 { |
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307 int h = key.hashCode(); |
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308 Entry[] tab = getTable(); |
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309 int index = indexFor(h, tab.length); |
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310 Entry e = tab[index]; |
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311 while (e != null && !(e.hash == h && eq(key, e.get()))) |
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312 { |
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313 e = e.next; |
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314 } |
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315 return e; |
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316 } |
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317 |
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318 /** |
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319 * Places the object into the pool. If the object is null, nothing happens. |
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320 * If an equal object already exists, it is not replaced. |
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321 * |
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322 * @param key the object to put into the pool. key may be null. |
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323 * @return the object in the pool that is equal to the key, or the newly placed key if no such object existed when put was called |
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324 */ |
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325 public V put(V key) |
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326 { |
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327 if (key == null) |
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328 { |
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329 return null; |
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330 } |
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331 int h = key.hashCode(); |
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332 Entry<V>[] tab = getTable(); |
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333 int i = indexFor(h, tab.length); |
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334 |
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335 for (Entry<V> e = tab[i]; e != null; e = e.next) |
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336 { |
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337 V candidate = e.get(); |
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338 if (h == e.hash && eq(key, candidate)) |
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339 { |
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340 return candidate; |
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341 } |
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342 } |
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343 |
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344 tab[i] = new Entry<V>(key, queue, h, tab[i]); |
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345 |
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346 if (++size >= threshold) |
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347 { |
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348 resize(tab.length * 2); |
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349 } |
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350 |
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351 // System.out.println("Added " + key + " to pool"); |
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352 return key; |
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353 } |
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354 |
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355 /** |
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356 * Rehashes the contents of this map into a new array with a |
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357 * larger capacity. This method is called automatically when the |
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358 * number of keys in this map reaches its threshold. |
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359 * <p/> |
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360 * If current capacity is MAXIMUM_CAPACITY, this method does not |
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361 * resize the map, but but sets threshold to Integer.MAX_VALUE. |
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362 * This has the effect of preventing future calls. |
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363 * |
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364 * @param newCapacity the new capacity, MUST be a power of two; |
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365 * must be greater than current capacity unless current |
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366 * capacity is MAXIMUM_CAPACITY (in which case value |
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367 * is irrelevant). |
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368 */ |
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369 void resize(int newCapacity) |
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370 { |
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371 Entry<V>[] oldTable = getTable(); |
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372 int oldCapacity = oldTable.length; |
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373 if (oldCapacity == MAXIMUM_CAPACITY) |
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374 { |
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375 threshold = Integer.MAX_VALUE; |
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376 return; |
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377 } |
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378 |
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379 Entry<V>[] newTable = new Entry[newCapacity]; |
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380 transfer(oldTable, newTable); |
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381 table = newTable; |
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382 |
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383 /* |
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384 * If ignoring null elements and processing ref queue caused massive |
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385 * shrinkage, then restore old table. This should be rare, but avoids |
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386 * unbounded expansion of garbage-filled tables. |
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387 */ |
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388 if (size >= threshold / 2) |
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389 { |
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390 threshold = (int) (newCapacity * loadFactor); |
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391 } |
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392 else |
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393 { |
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394 expungeStaleEntries(); |
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395 transfer(newTable, oldTable); |
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396 table = oldTable; |
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397 } |
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398 } |
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399 |
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400 /** |
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401 * Transfer all entries from src to dest tables |
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402 */ |
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403 private void transfer(Entry[] src, Entry[] dest) |
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404 { |
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405 for (int j = 0; j < src.length; ++j) |
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406 { |
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407 Entry e = src[j]; |
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408 src[j] = null; |
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409 while (e != null) |
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410 { |
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411 Entry next = e.next; |
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412 Object key = e.get(); |
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413 if (key == null) |
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414 { |
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415 e.next = null; // Help GC |
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416 size--; |
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417 } |
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418 else |
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419 { |
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420 int i = indexFor(e.hash, dest.length); |
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421 e.next = dest[i]; |
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422 dest[i] = e; |
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423 } |
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424 e = next; |
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425 } |
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426 } |
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427 } |
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428 |
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429 /** |
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430 * Removes the object in the pool that equals the key. |
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431 * |
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432 * @param key |
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433 * @return previous value associated with specified key, or <tt>null</tt> |
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434 * if there was no mapping for key or the key is null. |
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435 */ |
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436 public V removeFromPool(V key) |
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437 { |
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438 if (key == null) |
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439 { |
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440 return null; |
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441 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
442 int h = key.hashCode(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
443 Entry<V>[] tab = getTable(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
444 int i = indexFor(h, tab.length); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
445 Entry<V> prev = tab[i]; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
446 Entry<V> e = prev; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
447 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
448 while (e != null) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
449 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
450 Entry<V> next = e.next; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
451 V candidate = e.get(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
452 if (h == e.hash && eq(key, candidate)) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
453 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
454 size--; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
455 if (prev == e) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
456 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
457 tab[i] = next; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
458 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
459 else |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
460 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
461 prev.next = next; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
462 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
463 return candidate; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
464 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
465 prev = e; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
466 e = next; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
467 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
468 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
469 return null; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
470 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
471 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
472 /** |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
473 * Removes all mappings from this map. |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
474 */ |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
475 public void clear() |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
476 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
477 // clear out ref queue. We don't need to expunge entries |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
478 // since table is getting cleared. |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
479 while (queue.poll() != null) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
480 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
481 // nop |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
482 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
483 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
484 table = new Entry[DEFAULT_INITIAL_CAPACITY]; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
485 threshold = DEFAULT_INITIAL_CAPACITY; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
486 size = 0; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
487 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
488 // Allocation of array may have caused GC, which may have caused |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
489 // additional entries to go stale. Removing these entries from the |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
490 // reference queue will make them eligible for reclamation. |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
491 while (queue.poll() != null) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
492 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
493 // nop |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
494 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
495 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
496 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
497 /** |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
498 * The entries in this hash table extend WeakReference, using its main ref |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
499 * field as the key. |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
500 */ |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
501 protected static class Entry<V> |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
502 extends WeakReference<V> |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
503 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
504 private final int hash; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
505 private Entry<V> next; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
506 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
507 /** |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
508 * Create new entry. |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
509 */ |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
510 Entry(final V key, final ReferenceQueue<V> queue, final int hash, final Entry<V> next) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
511 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
512 super(key, queue); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
513 this.hash = hash; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
514 this.next = next; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
515 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
516 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
517 public V getKey() |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
518 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
519 return super.get(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
520 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
521 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
522 public boolean equals(Object o) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
523 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
524 if (!(o instanceof WeakPool.Entry)) |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
525 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
526 return false; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
527 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
528 WeakPool.Entry<V> that = (WeakPool.Entry<V>) o; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
529 V k1 = this.getKey(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
530 V k2 = that.getKey(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
531 return (k1==k2 || k1.equals(k2)); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
532 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
533 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
534 public int hashCode() |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
535 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
536 return this.hash; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
537 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
538 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
539 public String toString() |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
540 { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
541 return String.valueOf(this.getKey()); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
542 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
543 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
544 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
545 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
546 final class MultiSynonymKey { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
547 private List<MyList> keys; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
548 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
549 public MultiSynonymKey() { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
550 keys = new ArrayList<MyList>(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
551 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
552 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
553 public MultiSynonymKey(MyList... arg) { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
554 keys = Arrays.asList(arg); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
555 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
556 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
557 public List<MyList> getKeys() { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
558 return keys; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
559 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
560 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
561 public int hashCode() { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
562 return this.getKeys().hashCode(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
563 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
564 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
565 public boolean equals(Object obj) { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
566 if (this == obj) { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
567 return true; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
568 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
569 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
570 if (!(obj instanceof MultiSynonymKey)) { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
571 return false; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
572 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
573 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
574 MultiSynonymKey that = (MultiSynonymKey) obj; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
575 return this.getKeys().equals(that.getKeys()); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
576 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
577 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
578 public String toString() { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
579 return this.getClass().getName() + this.getKeys().toString(); |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
580 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
581 } |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
582 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
583 public class Test extends Thread { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
584 static public Test test; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
585 static private byte[] arg1; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
586 static private byte[] arg2; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
587 static public WeakPool<MultiSynonymKey> wp; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
588 public volatile MultiSynonymKey ml1; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
589 public volatile MultiSynonymKey ml2; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
590 private volatile MultiSynonymKey ml3; |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
591 |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
|
592 public void run() { |
55cb84cd1247
6865031: Application gives bad result (throws bad exception) with compressed oops
kvn
parents:
diff
changeset
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593 int count=0; |
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594 while (true) { |
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595 try { |
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596 Thread.sleep(10); |
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597 } catch (Exception e) {} |
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598 synchronized (wp) { |
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599 ml2 = new MultiSynonymKey(new DoubletonList(new String(arg1), new String(arg2))); |
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600 wp.put(ml2); |
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601 ml3 = new MultiSynonymKey(new DoubletonList(new String(arg1), new String(arg2))); |
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602 } |
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603 try { |
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604 Thread.sleep(10); |
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605 } catch (Exception e) {} |
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606 synchronized (wp) { |
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607 ml1 = new MultiSynonymKey(new SingletonList(new String(arg1))); |
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608 wp.put(ml1); |
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609 ml3 = new MultiSynonymKey(new SingletonList(new String(arg1))); |
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610 } |
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611 if (count++==100) |
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612 System.exit(95); |
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613 } |
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614 } |
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615 |
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616 public static void main(String[] args) throws Exception { |
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617 wp = new WeakPool<MultiSynonymKey>(); |
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618 test = new Test(); |
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619 |
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620 test.arg1 = args[0].getBytes(); |
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621 test.arg2 = args[1].getBytes(); |
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622 |
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623 test.ml1 = new MultiSynonymKey(new SingletonList(new String(test.arg1))); |
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624 test.ml2 = new MultiSynonymKey(new DoubletonList(new String(test.arg1), new String(test.arg2))); |
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625 test.ml3 = new MultiSynonymKey(new DoubletonList(new String(test.arg1), new String(test.arg2))); |
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626 |
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627 wp.put(test.ml1); |
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628 wp.put(test.ml2); |
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629 |
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630 test.setDaemon(true); |
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631 test.start(); |
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632 |
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633 int counter = 0; |
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634 while (true) { |
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635 synchronized (wp) { |
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636 MultiSynonymKey foo = test.ml3; |
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637 |
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638 if (wp.put(foo) == foo) { |
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639 // System.out.println("foo " + counter); |
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640 // System.out.println(foo); |
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641 } |
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642 } |
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643 counter++; |
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644 } |
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645 } |
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646 |
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647 private boolean eq(Object x, Object y) { |
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648 return x == y || x.equals(y); |
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649 } |
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650 } |