Mercurial > hg > truffle
annotate test/compiler/whitebox/CompilerWhiteBoxTest.java @ 11932:66909d055314
Fix unsafe load snippet.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 07 Oct 2013 23:10:17 +0200 |
parents | d1c9384eecb4 |
children | 11237ee74aae |
rev | line source |
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8051 | 1 /* |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
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24 import com.sun.management.HotSpotDiagnosticMXBean; |
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25 import com.sun.management.VMOption; |
8051 | 26 import sun.hotspot.WhiteBox; |
27 import sun.management.ManagementFactoryHelper; | |
28 | |
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29 import java.lang.reflect.Constructor; |
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30 import java.lang.reflect.Executable; |
8051 | 31 import java.lang.reflect.Method; |
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32 import java.util.Objects; |
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33 import java.util.concurrent.Callable; |
8051 | 34 |
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35 /** |
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36 * Abstract class for WhiteBox testing of JIT. |
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37 * |
8051 | 38 * @author igor.ignatyev@oracle.com |
39 */ | |
40 public abstract class CompilerWhiteBoxTest { | |
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41 /** {@code CompLevel::CompLevel_none} -- Interpreter */ |
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42 protected static int COMP_LEVEL_NONE = 0; |
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43 /** {@code CompLevel::CompLevel_any}, {@code CompLevel::CompLevel_all} */ |
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44 protected static int COMP_LEVEL_ANY = -1; |
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45 /** {@code CompLevel::CompLevel_simple} -- C1 */ |
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46 protected static int COMP_LEVEL_SIMPLE = 1; |
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47 /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */ |
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48 protected static int COMP_LEVEL_FULL_OPTIMIZATION = 4; |
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49 |
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50 /** Instance of WhiteBox */ |
8051 | 51 protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); |
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52 /** Value of {@code -XX:CompileThreshold} */ |
8051 | 53 protected static final int COMPILE_THRESHOLD |
54 = Integer.parseInt(getVMOption("CompileThreshold", "10000")); | |
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55 /** Value of {@code -XX:BackgroundCompilation} */ |
8766 | 56 protected static final boolean BACKGROUND_COMPILATION |
57 = Boolean.valueOf(getVMOption("BackgroundCompilation", "true")); | |
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58 /** Value of {@code -XX:TieredCompilation} */ |
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59 protected static final boolean TIERED_COMPILATION |
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60 = Boolean.valueOf(getVMOption("TieredCompilation", "false")); |
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61 /** Value of {@code -XX:TieredStopAtLevel} */ |
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62 protected static final int TIERED_STOP_AT_LEVEL |
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63 = Integer.parseInt(getVMOption("TieredStopAtLevel", "0")); |
8051 | 64 |
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65 /** |
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66 * Returns value of VM option. |
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67 * |
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68 * @param name option's name |
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69 * @return value of option or {@code null}, if option doesn't exist |
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70 * @throws NullPointerException if name is null |
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71 */ |
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72 protected static String getVMOption(String name) { |
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73 Objects.requireNonNull(name); |
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74 HotSpotDiagnosticMXBean diagnostic |
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75 = ManagementFactoryHelper.getDiagnosticMXBean(); |
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76 VMOption tmp; |
8051 | 77 try { |
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78 tmp = diagnostic.getVMOption(name); |
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79 } catch (IllegalArgumentException e) { |
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80 tmp = null; |
8051 | 81 } |
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82 return (tmp == null ? null : tmp.getValue()); |
8051 | 83 } |
84 | |
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85 /** |
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86 * Returns value of VM option or default value. |
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87 * |
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88 * @param name option's name |
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89 * @param defaultValue default value |
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90 * @return value of option or {@code defaultValue}, if option doesn't exist |
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91 * @throws NullPointerException if name is null |
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92 * @see #getVMOption(String) |
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93 */ |
8766 | 94 protected static String getVMOption(String name, String defaultValue) { |
95 String result = getVMOption(name); | |
8051 | 96 return result == null ? defaultValue : result; |
97 } | |
98 | |
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99 /** copy of is_c1_compile(int) from utilities/globalDefinitions.hpp */ |
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100 protected static boolean isC1Compile(int compLevel) { |
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101 return (compLevel > COMP_LEVEL_NONE) |
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102 && (compLevel < COMP_LEVEL_FULL_OPTIMIZATION); |
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103 } |
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104 |
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105 /** copy of is_c2_compile(int) from utilities/globalDefinitions.hpp */ |
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106 protected static boolean isC2Compile(int compLevel) { |
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107 return compLevel == COMP_LEVEL_FULL_OPTIMIZATION; |
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108 } |
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109 |
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110 /** tested method */ |
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111 protected final Executable method; |
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112 private final Callable<Integer> callable; |
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113 |
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114 /** |
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115 * Constructor. |
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116 * |
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117 * @param testCase object, that contains tested method and way to invoke it. |
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118 */ |
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119 protected CompilerWhiteBoxTest(TestCase testCase) { |
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120 Objects.requireNonNull(testCase); |
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121 System.out.println("TEST CASE:" + testCase.name()); |
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122 method = testCase.executable; |
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123 callable = testCase.callable; |
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124 } |
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125 |
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126 /** |
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127 * Template method for testing. Prints tested method's info before |
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128 * {@linkplain #test()} and after {@linkplain #test()} or on thrown |
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129 * exception. |
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130 * |
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131 * @throws RuntimeException if method {@linkplain #test()} throws any |
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132 * exception |
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133 * @see #test() |
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134 */ |
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135 protected final void runTest() { |
8051 | 136 if (ManagementFactoryHelper.getCompilationMXBean() == null) { |
137 System.err.println( | |
138 "Warning: test is not applicable in interpreted mode"); | |
139 return; | |
140 } | |
141 System.out.println("at test's start:"); | |
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142 printInfo(); |
8051 | 143 try { |
144 test(); | |
145 } catch (Exception e) { | |
146 System.out.printf("on exception '%s':", e.getMessage()); | |
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147 printInfo(); |
8766 | 148 e.printStackTrace(); |
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149 if (e instanceof RuntimeException) { |
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150 throw (RuntimeException) e; |
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151 } |
8051 | 152 throw new RuntimeException(e); |
153 } | |
154 System.out.println("at test's end:"); | |
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155 printInfo(); |
8051 | 156 } |
157 | |
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158 /** |
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159 * Checks, that {@linkplain #method} is not compiled. |
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160 * |
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161 * @throws RuntimeException if {@linkplain #method} is in compiler queue or |
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162 * is compiled, or if {@linkplain #method} has zero |
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163 * compilation level. |
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164 */ |
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165 protected final void checkNotCompiled() { |
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166 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
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167 throw new RuntimeException(method + " must not be in queue"); |
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168 } |
8051 | 169 if (WHITE_BOX.isMethodCompiled(method)) { |
170 throw new RuntimeException(method + " must be not compiled"); | |
171 } | |
172 if (WHITE_BOX.getMethodCompilationLevel(method) != 0) { | |
173 throw new RuntimeException(method + " comp_level must be == 0"); | |
174 } | |
175 } | |
176 | |
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177 /** |
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178 * Checks, that {@linkplain #method} is compiled. |
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179 * |
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180 * @throws RuntimeException if {@linkplain #method} isn't in compiler queue |
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181 * and isn't compiled, or if {@linkplain #method} |
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182 * has nonzero compilation level |
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183 */ |
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184 protected final void checkCompiled() { |
8051 | 185 final long start = System.currentTimeMillis(); |
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186 waitBackgroundCompilation(); |
8051 | 187 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
188 System.err.printf("Warning: %s is still in queue after %dms%n", | |
189 method, System.currentTimeMillis() - start); | |
190 return; | |
191 } | |
192 if (!WHITE_BOX.isMethodCompiled(method)) { | |
193 throw new RuntimeException(method + " must be compiled"); | |
194 } | |
195 if (WHITE_BOX.getMethodCompilationLevel(method) == 0) { | |
196 throw new RuntimeException(method + " comp_level must be != 0"); | |
197 } | |
198 } | |
199 | |
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200 /** |
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201 * Waits for completion of background compilation of {@linkplain #method}. |
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202 */ |
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203 protected final void waitBackgroundCompilation() { |
8766 | 204 if (!BACKGROUND_COMPILATION) { |
205 return; | |
206 } | |
8051 | 207 final Object obj = new Object(); |
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208 for (int i = 0; i < 10 |
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209 && WHITE_BOX.isMethodQueuedForCompilation(method); ++i) { |
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210 synchronized (obj) { |
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211 try { |
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212 obj.wait(1000); |
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213 } catch (InterruptedException e) { |
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214 Thread.currentThread().interrupt(); |
8051 | 215 } |
216 } | |
217 } | |
218 } | |
219 | |
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220 /** |
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221 * Prints information about {@linkplain #method}. |
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222 */ |
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223 protected final void printInfo() { |
8051 | 224 System.out.printf("%n%s:%n", method); |
225 System.out.printf("\tcompilable:\t%b%n", | |
226 WHITE_BOX.isMethodCompilable(method)); | |
227 System.out.printf("\tcompiled:\t%b%n", | |
228 WHITE_BOX.isMethodCompiled(method)); | |
229 System.out.printf("\tcomp_level:\t%d%n", | |
230 WHITE_BOX.getMethodCompilationLevel(method)); | |
231 System.out.printf("\tin_queue:\t%b%n", | |
232 WHITE_BOX.isMethodQueuedForCompilation(method)); | |
233 System.out.printf("compile_queues_size:\t%d%n%n", | |
234 WHITE_BOX.getCompileQueuesSize()); | |
235 } | |
236 | |
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237 /** |
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238 * Executes testing. |
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239 */ |
8051 | 240 protected abstract void test() throws Exception; |
241 | |
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242 /** |
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243 * Tries to trigger compilation of {@linkplain #method} by call |
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244 * {@linkplain #callable} enough times. |
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245 * |
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246 * @return accumulated result |
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247 * @see #compile(int) |
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248 */ |
8051 | 249 protected final int compile() { |
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250 return compile(Math.max(COMPILE_THRESHOLD, 150000)); |
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251 } |
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252 |
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253 /** |
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254 * Tries to trigger compilation of {@linkplain #method} by call |
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255 * {@linkplain #callable} specified times. |
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256 * |
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257 * @param count invocation count |
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258 * @return accumulated result |
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259 */ |
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260 protected final int compile(int count) { |
8051 | 261 int result = 0; |
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262 Integer tmp; |
8766 | 263 for (int i = 0; i < count; ++i) { |
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264 try { |
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265 tmp = callable.call(); |
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266 } catch (Exception e) { |
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267 tmp = null; |
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268 } |
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269 result += tmp == null ? 0 : tmp; |
8051 | 270 } |
8766 | 271 System.out.println("method was invoked " + count + " times"); |
8051 | 272 return result; |
273 } | |
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274 } |
8051 | 275 |
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276 /** |
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277 * Utility structure containing tested method and object to invoke it. |
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278 */ |
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279 enum TestCase { |
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280 /** constructor test case */ |
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281 CONSTRUCTOR_TEST(Helper.CONSTRUCTOR, Helper.CONSTRUCTOR_CALLABLE), |
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282 /** method test case */ |
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283 METOD_TEST(Helper.METHOD, Helper.METHOD_CALLABLE), |
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284 /** static method test case */ |
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285 STATIC_TEST(Helper.STATIC, Helper.STATIC_CALLABLE); |
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286 |
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287 /** tested method */ |
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288 final Executable executable; |
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289 /** object to invoke {@linkplain #executable} */ |
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290 final Callable<Integer> callable; |
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291 |
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292 private TestCase(Executable executable, Callable<Integer> callable) { |
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293 this.executable = executable; |
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294 this.callable = callable; |
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295 } |
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296 |
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297 private static class Helper { |
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298 private static final Callable<Integer> CONSTRUCTOR_CALLABLE |
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299 = new Callable<Integer>() { |
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300 @Override |
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301 public Integer call() throws Exception { |
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302 return new Helper(1337).hashCode(); |
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303 } |
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304 }; |
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305 |
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306 private static final Callable<Integer> METHOD_CALLABLE |
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307 = new Callable<Integer>() { |
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308 private final Helper helper = new Helper(); |
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309 |
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310 @Override |
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311 public Integer call() throws Exception { |
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312 return helper.method(); |
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313 } |
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314 }; |
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315 |
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316 private static final Callable<Integer> STATIC_CALLABLE |
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317 = new Callable<Integer>() { |
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318 @Override |
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319 public Integer call() throws Exception { |
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320 return staticMethod(); |
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321 } |
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322 }; |
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323 |
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324 private static final Constructor CONSTRUCTOR; |
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325 private static final Method METHOD; |
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326 private static final Method STATIC; |
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327 |
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328 static { |
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329 try { |
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330 CONSTRUCTOR = Helper.class.getDeclaredConstructor(int.class); |
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331 } catch (NoSuchMethodException | SecurityException e) { |
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332 throw new RuntimeException( |
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333 "exception on getting method Helper.<init>(int)", e); |
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334 } |
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335 try { |
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336 METHOD = Helper.class.getDeclaredMethod("method"); |
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337 } catch (NoSuchMethodException | SecurityException e) { |
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338 throw new RuntimeException( |
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339 "exception on getting method Helper.method()", e); |
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340 } |
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341 try { |
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342 STATIC = Helper.class.getDeclaredMethod("staticMethod"); |
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343 } catch (NoSuchMethodException | SecurityException e) { |
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344 throw new RuntimeException( |
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345 "exception on getting method Helper.staticMethod()", e); |
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346 } |
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347 } |
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348 |
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349 private static int staticMethod() { |
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350 return 1138; |
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351 } |
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352 |
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353 private int method() { |
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354 return 42; |
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355 } |
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356 |
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357 private final int x; |
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358 |
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359 public Helper() { |
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360 x = 0; |
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361 } |
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362 |
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363 private Helper(int x) { |
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364 this.x = x; |
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365 } |
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366 |
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367 @Override |
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368 public int hashCode() { |
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369 return x; |
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370 } |
8051 | 371 } |
372 } |