Mercurial > hg > truffle

annotate test/compiler/testlibrary/rtm/RTMTestBase.java @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 665bbe93823f
children
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 package rtm;
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26
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27 import java.io.IOException;
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28 import java.nio.file.Files;
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29 import java.nio.file.Paths;
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30 import java.util.List;
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31 import java.util.LinkedList;
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32 import java.util.Arrays;
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33 import java.util.Collections;
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34 import java.util.regex.Matcher;
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35 import java.util.regex.Pattern;
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36
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37 import com.oracle.java.testlibrary.OutputAnalyzer;
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38 import com.oracle.java.testlibrary.ProcessTools;
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39 import com.oracle.java.testlibrary.Utils;
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40 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
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41
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42 /**
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43 * Auxiliary methods used for RTM testing.
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44 */
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45 public class RTMTestBase {
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46 private static final String RTM_STATE_CHANGE_REASON = "rtm_state_change";
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47 /**
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48 * We don't parse compilation log as XML-document and use regular
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49 * expressions instead, because in some cases it could be
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50 * malformed.
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51 */
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52 private static final String FIRED_UNCOMMON_TRAP_PATTERN_TEMPLATE
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53 = "<uncommon_trap thread='[0-9]+' reason='%s'";
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54 private static final String INSTALLED_UNCOMMON_TRAP_PATTERN_TEMPLATE
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55 = "<uncommon_trap bci='[0-9]+' reason='%s'";
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56
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57 /**
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58 * Executes RTM test in a new JVM started with {@code options} cli options.
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59 *
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60 * @param test test case to execute.
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61 * @param options additional options for VM
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62 * @throws Exception when something went wrong.
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63 */
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64 public static OutputAnalyzer executeRTMTest(CompilableTest test,
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65 String... options) throws Exception {
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66 ProcessBuilder processBuilder
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67 = ProcessTools.createJavaProcessBuilder(
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68 RTMTestBase.prepareTestOptions(test, options));
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69 OutputAnalyzer outputAnalyzer
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70 = new OutputAnalyzer(processBuilder.start());
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71 System.out.println(outputAnalyzer.getOutput());
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72 return outputAnalyzer;
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73 }
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74
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75 /**
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76 * Executes test case and save compilation log to {@code logFileName}.
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77 *
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78 * @param logFileName a name of compilation log file
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79 * @param test a test case to execute case to execute
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80 * @param options additional options to VM
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81 * @return OutputAnalyzer for started test case
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82 * @throws Exception when something went wrong
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83 */
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84 public static OutputAnalyzer executeRTMTest(String logFileName,
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85 CompilableTest test, String... options) throws Exception {
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86 ProcessBuilder processBuilder
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87 = ProcessTools.createJavaProcessBuilder(
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88 RTMTestBase.prepareTestOptions(logFileName, test, options));
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89 OutputAnalyzer outputAnalyzer
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90 = new OutputAnalyzer(processBuilder.start());
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91
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92 System.out.println(outputAnalyzer.getOutput());
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93
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94 return outputAnalyzer;
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95 }
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96
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97 /**
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98 * Finds count of uncommon traps with reason {@code reason} installed
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99 * during compilation.
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100 *
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101 * @param compilationLogFile a path to file with LogCompilation output.
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102 * @param reason reason of installed uncommon traps.
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103 * @return count of installed uncommon traps with reason {@code reason}.
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104 * @throws IOException
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105 */
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106 public static int installedUncommonTraps(String compilationLogFile,
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107 String reason)throws IOException {
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108 String pattern = String.format(
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109 RTMTestBase.INSTALLED_UNCOMMON_TRAP_PATTERN_TEMPLATE,
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110 reason);
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111 return RTMTestBase.findTraps(compilationLogFile, pattern);
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112 }
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113
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114 /**
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115 * Finds count of uncommon traps with reason <i>rtm_state_change</i>
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116 * installed during compilation.
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117 *
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118 * @param compilationLogFile a path to file with LogCompilation output.
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119 * @return count of installed uncommon traps with reason
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120 * <i>rtm_state_change</i>.
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121 * @throws IOException
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122 */
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123 public static int installedRTMStateChangeTraps(String compilationLogFile)
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124 throws IOException {
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125 return RTMTestBase.installedUncommonTraps(compilationLogFile,
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126 RTMTestBase.RTM_STATE_CHANGE_REASON);
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127 }
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128
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129 /**
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130 * Finds count of fired uncommon traps with reason {@code reason}.
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131 *
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132 * @param compilationLogFile a path to file with LogCompilation output.
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133 * @param reason a reason of fired uncommon traps.
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134 * @return count of fired uncommon traps with reason {@code reason}.
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135 * @throws IOException
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136 */
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137 public static int firedUncommonTraps(String compilationLogFile,
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138 String reason) throws IOException {
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139 String pattern = String.format(
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140 RTMTestBase.FIRED_UNCOMMON_TRAP_PATTERN_TEMPLATE,
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141 reason);
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142 return RTMTestBase.findTraps(compilationLogFile, pattern);
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143 }
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144
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145 /**
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146 * Finds count of fired uncommon traps with reason <i>rtm_state_change</i>.
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147 *
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148 * @param compilationLogFile a path to file with LogCompilation output.
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149 * @return count of fired uncommon traps with reason
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150 * <i>rtm_state_change</i>.
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151 * @throws IOException
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152 */
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153 public static int firedRTMStateChangeTraps(String compilationLogFile)
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154 throws IOException {
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155 return RTMTestBase.firedUncommonTraps(compilationLogFile,
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156 RTMTestBase.RTM_STATE_CHANGE_REASON);
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157 }
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158
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159 /**
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160 * Finds count of uncommon traps that matches regular
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161 * expression in {@code re}.
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162 *
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163 * @param compilationLogFile a path to file with LogCompilation output.
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164 * @param re regular expression to match uncommon traps.
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165 * @throws IOException
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166 */
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167 private static int findTraps(String compilationLogFile, String re)
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168 throws IOException {
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169 String compilationLog = RTMTestBase.fileAsString(compilationLogFile);
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170 Pattern pattern = Pattern.compile(re);
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171 Matcher matcher = pattern.matcher(compilationLog);
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172 int traps = 0;
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173 while (matcher.find()) {
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174 traps++;
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175 }
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176 return traps;
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177 }
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178
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179 /**
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180 * Returns file's content as a string.
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181 *
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182 * @param path a path to file to operate on.
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183 * @return string with content of file.
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184 * @throws IOException
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185 */
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186 private static String fileAsString(String path) throws IOException {
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187 byte[] fileAsBytes = Files.readAllBytes(Paths.get(path));
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188 return new String(fileAsBytes);
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189 }
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190
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191 /**
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192 * Prepares VM options for test execution.
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193 * This method get test java options, filter out all RTM-related options,
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194 * adds CompileCommand=compileonly,method_name options for each method
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195 * from {@code methodToCompile} and finally appends all {@code vmOpts}.
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196 *
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197 * @param test test case whose methods that should be compiled.
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198 * If {@code null} then no additional <i>compileonly</i>
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199 * commands will be added to VM options.
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200 * @param vmOpts additional options to pass to VM.
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201 * @return Array with VM options.
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202 */
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203 private static String[] prepareTestOptions(CompilableTest test,
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204 String... vmOpts) {
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205 return RTMTestBase.prepareFilteredTestOptions(test, null, vmOpts);
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206 }
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207
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208 /**
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209 * Prepares VM options for test execution.
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210 * This method get test java options, filter out all RTM-related options
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211 * and all options that matches regexps in {@code additionalFilters},
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212 * adds CompileCommand=compileonly,method_name options for each method
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213 * from {@code methodToCompile} and finally appends all {@code vmOpts}.
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214 *
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215 * @param test test case whose methods that should be compiled.
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216 * If {@code null} then no additional <i>compileonly</i>
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217 * commands will be added to VM options.
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218 * @param additionalFilters array with regular expression that will be
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219 * used to filter out test java options.
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220 * If {@code null} then no additional filters
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221 * will be used.
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222 * @param vmOpts additional options to pass to VM.
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223 * @return array with VM options.
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224 */
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225 private static String[] prepareFilteredTestOptions(CompilableTest test,
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226 String[] additionalFilters, String... vmOpts) {
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227 List<String> finalVMOpts = new LinkedList<>();
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228 String[] filters;
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229
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230 if (additionalFilters != null) {
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231 filters = Arrays.copyOf(additionalFilters,
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232 additionalFilters.length + 1);
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233 } else {
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234 filters = new String[1];
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235 }
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236
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237 filters[filters.length - 1] = "RTM";
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238 String[] filteredVMOpts = Utils.getFilteredTestJavaOpts(filters);
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239 Collections.addAll(finalVMOpts, filteredVMOpts);
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240 Collections.addAll(finalVMOpts, "-Xcomp", "-server",
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241 "-XX:-TieredCompilation",
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242 CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
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243 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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244 "-XX:+UseRTMLocking");
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245
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246 if (test != null) {
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247 for (String method : test.getMethodsToCompileNames()) {
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248 finalVMOpts.add("-XX:CompileCommand=compileonly," + method);
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249 }
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250 }
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251 Collections.addAll(finalVMOpts, vmOpts);
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252 return finalVMOpts.toArray(new String[finalVMOpts.size()]);
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253 }
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254
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255 /**
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256 * Adds additional options for VM required for successful execution of test.
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257 *
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258 * @param logFileName a name of compilation log file
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259 * @param test a test case to execute
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260 * @param options additional options to VM
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261 * @return an array with VM options
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262 */
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263 private static String[] prepareTestOptions(String logFileName,
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264 CompilableTest test, String... options) {
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265 String[] preparedOptions = RTMTestBase.prepareFilteredTestOptions(
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266 test,
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267 new String[] {
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268 "LogCompilation",
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269 "LogFile"
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270 });
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271 List<String> updatedOptions = new LinkedList<>();
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272 Collections.addAll(updatedOptions, preparedOptions);
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273 Collections.addAll(updatedOptions,
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274 "-XX:+LogCompilation",
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275 "-XX:LogFile=" + logFileName);
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276 Collections.addAll(updatedOptions, options);
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277
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278 return updatedOptions.toArray(new String[updatedOptions.size()]);
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279 }
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280 }