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annotate src/tests/gov/nasa/jpf/test/mc/basic/RecursiveLockTest.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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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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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
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19 package gov.nasa.jpf.test.mc.basic;
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20
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21 import gov.nasa.jpf.util.test.TestJPF;
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22
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23 import org.junit.Test;
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24
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25 /**
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26 * Ensures that a recursive lock/unlock doesn't leave the lock in an acquired state.
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27 */
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28 public class RecursiveLockTest extends TestJPF
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29 {
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30 @Test
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31 public void recursiveUnlock() throws InterruptedException
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32 {
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33 final Object lock;
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34 Thread thread;
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35 Runnable task;
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36
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37 if (verifyNoPropertyViolation())
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38 {
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39 lock = new Object();
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40
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41 synchronized (lock)
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42 {
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43 synchronized (lock)
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44 {
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45 // nothing to do
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46 }
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47 }
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48
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49 task = new Runnable()
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50 {
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51 @Override
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52 public void run()
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53 {
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54 synchronized (lock)
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55 {
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56 // nothing to do
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57 }
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58 }
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59 };
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60
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61 thread = new Thread(task);
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62
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63 thread.start();
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64 thread.join();
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65 }
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66 }
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67 }