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annotate src/tests/gov/nasa/jpf/test/java/concurrent/ExchangerTest.java @ 0:61d41facf527

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author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18 package gov.nasa.jpf.test.java.concurrent;
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19
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20 import gov.nasa.jpf.util.test.TestJPF;
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21 import gov.nasa.jpf.vm.Verify;
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22 import java.util.concurrent.Exchanger;
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23 import java.util.concurrent.TimeUnit;
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24 import org.junit.Test;
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25
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26 /**
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27 * regression test for java.util.concurrent.Exchanger
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28 */
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29 public class ExchangerTest extends TestJPF {
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30
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31 static Exchanger<String> exchanger = new Exchanger<String>();
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32
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33 static class ExTo extends Thread {
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34 @Override
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35 public void run() {
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36 try {
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37 //interrupt();
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38 System.out.println("T now exchanging..");
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39
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40 String response = exchanger.exchange("hi", 1000, TimeUnit.MILLISECONDS);
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41
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42 System.out.print("T got: ");
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43 System.out.println(response);
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44
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45 assertTrue(response.equals("there"));
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46 Verify.setBitInBitSet(0, 0, true);
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47
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48 } catch (Throwable x) {
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49 System.out.print("T got exception: ");
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50 System.out.println(x);
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51 Verify.setBitInBitSet(0, 1, true);
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52 }
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53 }
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54 }
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55
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56 @Test
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57 public void testTimeoutExchange() {
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58
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59 if (verifyNoPropertyViolation()){
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60 Thread t = new ExTo();
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61 t.start();
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62
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63 try {
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64 System.out.println("M now exchanging..");
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65
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66 String response = exchanger.exchange("there", 100, TimeUnit.MILLISECONDS);
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67
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68 System.out.print("M got: ");
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69 System.out.println(response);
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70 assertTrue(response.equals("hi"));
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71 Verify.setBitInBitSet(0, 2, true);
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72
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73
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74 } catch (Throwable x){
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75 System.out.print("M got exception: ");
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76 System.out.println( x);
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77 Verify.setBitInBitSet(0, 3, true);
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78 }
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79
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80 } else { // not executed under JPF
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81 // check if we saw each path at least once
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82 assertTrue( Verify.getBitInBitSet(0, 0));
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83 assertTrue( Verify.getBitInBitSet(0, 1));
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84 assertTrue( Verify.getBitInBitSet(0, 2));
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85 assertTrue( Verify.getBitInBitSet(0, 3));
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86 }
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87 }
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88 }