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1 /* |
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2 * Copyright (c) 2001, 2015, 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 * @test |
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26 * @bug 4409241 4432820 |
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27 * @summary Test the bug fix for: MethodExitEvents disappear when Object-Methods are called from main |
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28 * @author Tim Bell |
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29 * |
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30 * @run build TestScaffold VMConnection TargetListener TargetAdapter |
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31 * @run compile -g MethodEntryExitEvents.java |
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32 * @run driver MethodEntryExitEvents SUSPEND_EVENT_THREAD MethodEntryExitEventsDebugee |
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33 * @run driver MethodEntryExitEvents SUSPEND_NONE MethodEntryExitEventsDebugee |
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34 * @run driver MethodEntryExitEvents SUSPEND_ALL MethodEntryExitEventsDebugee |
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35 */ |
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36 import com.sun.jdi.*; |
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37 import com.sun.jdi.event.*; |
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38 import com.sun.jdi.request.*; |
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39 import java.util.*; |
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40 |
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41 class t2 { |
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42 public static void sayHello1(int i, int j) { |
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43 sayHello2(i, j); |
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44 } |
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45 public static void sayHello2(int i, int j) { |
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46 sayHello3(i, j); |
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47 } |
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48 public static void sayHello3(int i, int j) { |
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49 sayHello4(i, j); |
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50 } |
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51 public static void sayHello4(int i, int j) { |
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52 sayHello5(i, j); |
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53 } |
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54 public static void sayHello5(int i, int j) { |
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55 if (i < 2) { |
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56 sayHello1(++i, j); |
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57 } else { |
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58 System.out.print ("MethodEntryExitEventsDebugee: "); |
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59 System.out.print (" -->> Hello. j is: "); |
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60 System.out.print (j); |
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61 System.out.println(" <<--"); |
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62 } |
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63 } |
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64 } |
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65 |
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66 class MethodEntryExitEventsDebugee { |
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67 public static void loopComplete () { |
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68 /* |
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69 * The implementation here is deliberately inefficient |
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70 * because the debugger is still watching this method. |
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71 */ |
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72 StringBuffer sb = new StringBuffer(); |
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73 sb.append ("MethodEntryExitEventsDebugee: "); |
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74 sb.append ("Executing loopComplete method for a graceful shutdown..."); |
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75 String s = sb.toString(); |
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76 for (int i = 0; i < s.length(); i++) { |
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77 char c = s.charAt(i); |
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78 System.out.print(c); |
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79 } |
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80 System.out.println(); |
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81 } |
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82 public static void main(String[] args) { |
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83 t2 test = new t2(); |
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84 for (int j = 0; j < 3; j++) { |
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85 test.sayHello1(0, j); |
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86 } |
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87 loopComplete(); |
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88 } |
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89 } |
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90 |
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91 |
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92 public class MethodEntryExitEvents extends TestScaffold { |
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93 int sessionSuspendPolicy = EventRequest.SUSPEND_ALL; |
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94 StepRequest stepReq = null; //Only one step request allowed per thread |
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95 boolean finishedCounting = false; |
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96 |
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97 /* |
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98 * Enter main() , then t2.<init>, then sayHello[1,2,3,4,5] 15 times 3 loops, |
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99 * then loopComplete() |
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100 */ |
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101 final int expectedEntryCount = 1 + 1 + (15 * 3) + 1; |
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102 int methodEntryCount = 0; |
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103 |
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104 /* |
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105 * Exit t2.<init>, then sayHello[1,2,3,4,5] 15 times 3 loopa |
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106 * (event monitoring is cancelled before we exit loopComplete() or main()) |
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107 */ |
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108 final int expectedExitCount = 1 + (15 * 3); |
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109 int methodExitCount = 0; |
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110 |
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111 // Classes which we are interested in |
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112 private List includes = Arrays.asList(new String[] { |
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113 "MethodEntryExitEventsDebugee", |
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114 "t2" |
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115 }); |
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116 |
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117 MethodEntryExitEvents (String args[]) { |
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118 super(args); |
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119 } |
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120 |
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121 private void usage(String[] args) throws Exception { |
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122 StringBuffer sb = new StringBuffer("Usage: "); |
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123 sb.append(System.getProperty("line.separator")); |
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124 sb.append(" java "); |
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125 sb.append(getClass().getName()); |
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126 sb.append(" [SUSPEND_NONE | SUSPEND_EVENT_THREAD | SUSPEND_ALL]"); |
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127 sb.append(" [MethodEntryExitEventsDebugee | -connect <connector options...>] "); |
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128 throw new Exception (sb.toString()); |
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129 } |
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130 |
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131 public static void main(String[] args) throws Exception { |
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132 MethodEntryExitEvents meee = new MethodEntryExitEvents (args); |
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133 meee.startTests(); |
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134 } |
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135 |
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136 public void exceptionThrown(ExceptionEvent event) { |
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137 System.out.println("Exception: " + event.exception()); |
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138 System.out.println(" at catch location: " + event.catchLocation()); |
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139 |
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140 // Step to the catch |
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141 if (stepReq == null) { |
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142 stepReq = |
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143 eventRequestManager().createStepRequest(event.thread(), |
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144 StepRequest.STEP_MIN, |
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145 StepRequest.STEP_INTO); |
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146 stepReq.addCountFilter(1); // next step only |
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147 stepReq.setSuspendPolicy(EventRequest.SUSPEND_ALL); |
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148 } |
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149 stepReq.enable(); |
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150 } |
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151 public void stepCompleted(StepEvent event) { |
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152 System.out.println("stepCompleted: line#=" + |
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153 event.location().lineNumber() + |
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154 " event=" + event); |
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155 // disable the step and then run to completion |
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156 //eventRequestManager().deleteEventRequest(event.request()); |
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157 StepRequest str= (StepRequest)event.request(); |
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158 str.disable(); |
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159 } |
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160 public void methodEntered(MethodEntryEvent event) { |
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161 if (!includes.contains(event.method().declaringType().name())) { |
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162 return; |
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163 } |
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164 |
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165 if (! finishedCounting) { |
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166 // We have to count the entry to loopComplete, but |
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167 // not the exit |
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168 methodEntryCount++; |
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169 System.out.print (" Method entry number: "); |
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170 System.out.print (methodEntryCount); |
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171 System.out.print (" : "); |
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172 System.out.println(event); |
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173 if ("loopComplete".equals(event.method().name())) { |
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174 finishedCounting = true; |
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175 } |
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176 } |
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177 } |
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178 |
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179 public void methodExited(MethodExitEvent event) { |
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180 if (!includes.contains(event.method().declaringType().name())) { |
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181 return; |
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182 } |
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183 |
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184 if (! finishedCounting){ |
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185 methodExitCount++; |
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186 System.out.print (" Method exit number: "); |
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187 System.out.print (methodExitCount); |
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188 System.out.print (" : "); |
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189 System.out.println(event); |
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190 } |
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191 } |
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192 |
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193 protected void runTests() throws Exception { |
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194 if (args.length < 1) { |
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195 usage(args); |
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196 } |
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197 //Pick up the SUSPEND_xxx in first argument |
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198 if ("SUSPEND_NONE".equals(args[0])) { |
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199 sessionSuspendPolicy = EventRequest.SUSPEND_NONE; |
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200 } else if ("SUSPEND_EVENT_THREAD".equals(args[0])) { |
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201 sessionSuspendPolicy = EventRequest.SUSPEND_EVENT_THREAD; |
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202 } else if ("SUSPEND_ALL".equals(args[0])) { |
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203 sessionSuspendPolicy = EventRequest.SUSPEND_ALL; |
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204 } else { |
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205 usage(args); |
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206 } |
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207 System.out.print("Suspend policy is: "); |
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208 System.out.println(args[0]); |
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209 |
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210 // Skip the test arg |
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211 String[] args2 = new String[args.length - 1]; |
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212 System.arraycopy(args, 1, args2, 0, args.length - 1); |
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213 |
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214 if (args2.length < 1) { |
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215 usage(args2); |
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216 } |
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217 List argList = new ArrayList(Arrays.asList(args2)); |
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218 System.out.println("run args: " + argList); |
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219 connect((String[]) argList.toArray(args2)); |
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220 waitForVMStart(); |
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221 |
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222 // Determine main thread |
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223 ClassPrepareEvent e = resumeToPrepareOf("MethodEntryExitEventsDebugee"); |
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224 mainThread = e.thread(); |
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225 |
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226 try { |
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227 |
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228 /* |
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229 * Ask for Exception events |
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230 */ |
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231 ExceptionRequest exceptionRequest = |
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232 eventRequestManager().createExceptionRequest(null, // refType (null == all instances) |
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233 true, // notifyCaught |
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234 true);// notifyUncaught |
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235 exceptionRequest.addThreadFilter(mainThread); |
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236 exceptionRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL); |
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237 exceptionRequest.enable(); |
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238 |
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239 /* |
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240 * Ask for method entry events |
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241 */ |
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242 MethodEntryRequest entryRequest = |
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243 eventRequestManager().createMethodEntryRequest(); |
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244 entryRequest.addThreadFilter(mainThread); |
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245 entryRequest.setSuspendPolicy(sessionSuspendPolicy); |
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246 entryRequest.enable(); |
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247 |
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248 /* |
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249 * Ask for method exit events |
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250 */ |
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251 MethodExitRequest exitRequest = |
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252 eventRequestManager().createMethodExitRequest(); |
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253 exitRequest.addThreadFilter(mainThread); |
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254 exitRequest.setSuspendPolicy(sessionSuspendPolicy); |
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255 exitRequest.enable(); |
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256 |
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257 /* |
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258 * We are now set up to receive the notifications we want. |
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259 * Here we go. This adds 'this' as a listener so |
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260 * that our handlers above will be called. |
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261 */ |
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262 |
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263 listenUntilVMDisconnect(); |
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264 System.out.println("All done..."); |
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265 |
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266 } catch (Exception ex){ |
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267 ex.printStackTrace(); |
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268 testFailed = true; |
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269 } |
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270 |
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271 if ((methodEntryCount != expectedEntryCount) || |
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272 (methodExitCount != expectedExitCount)) { |
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273 testFailed = true; |
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274 } |
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275 if (!testFailed) { |
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276 System.out.println(); |
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277 System.out.println("MethodEntryExitEvents: passed"); |
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278 System.out.print (" Method entry count: "); |
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279 System.out.println(methodEntryCount); |
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280 System.out.print (" Method exit count: "); |
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281 System.out.println(methodExitCount); |
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282 } else { |
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283 System.out.println(); |
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284 System.out.println("MethodEntryExitEvents: failed"); |
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285 System.out.print (" expected method entry count: "); |
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286 System.out.println(expectedEntryCount); |
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287 System.out.print (" observed method entry count: "); |
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288 System.out.println(methodEntryCount); |
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289 System.out.print (" expected method exit count: "); |
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290 System.out.println(expectedExitCount); |
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291 System.out.print (" observed method exit count: "); |
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292 System.out.println(methodExitCount); |
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293 throw new Exception("MethodEntryExitEvents: failed"); |
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294 } |
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295 } |
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296 } |