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annotate src/tests/gov/nasa/jpf/test/mc/data/EventGeneratorTest.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
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19 package gov.nasa.jpf.test.mc.data;
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20
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21 import gov.nasa.jpf.EventProducer;
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22 import gov.nasa.jpf.util.event.Event;
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23 import gov.nasa.jpf.util.event.TestEventTree;
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24 import gov.nasa.jpf.util.test.TestJPF;
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25 import gov.nasa.jpf.vm.Verify;
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26 import org.junit.Test;
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27
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28 /**
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29 * regression test for EventGenerator based test drivers
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30 */
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31 public class EventGeneratorTest extends TestJPF {
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32
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33
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34 //---------------------------------------------------------------------------------------
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35 public static class SimpleTree extends TestEventTree {
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36 public SimpleTree (){
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37 expected = new String[] {
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38 "a1b",
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39 "axxb"
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40 };
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41 }
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42
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43 @Override
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44 public Event createEventTree() {
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45 return
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46 sequence(
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47 event("a"),
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48 alternatives(
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49 event("1"),
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50 iteration(2,
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51 event("x")
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52 )
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53 ),
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54 event("b")
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55 );
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56 }
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57 }
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58
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59 @Test
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60 public void testSimpleTree(){
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61 if (!isJPFRun()){
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62 Verify.resetCounter(0);
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63 }
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64
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65 if (verifyNoPropertyViolation("+event.class=.test.mc.data.EventGeneratorTest$SimpleTree", "+log.info=event")){
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66 EventProducer producer = new EventProducer();
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67 StringBuilder sb = new StringBuilder();
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68
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69 while (producer.processNextEvent()){
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70 sb.append(producer.getEventName());
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71 }
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72
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73 String trace = sb.toString();
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74 System.out.print("got trace: ");
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75 System.out.println(trace);
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76
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77 if (!producer.checkPath()){
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78 fail("unexpected trace failure");
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79 }
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80
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81 if (producer.isCompletelyCovered()){
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82 Verify.setCounter(0, 1);
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83 }
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84 }
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85
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86 if (!isJPFRun()){
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87 if (Verify.getCounter(0) != 1){
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88 fail("unaccounted trace failure");
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89 }
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90 }
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91 }
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92
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93 //-------------------------------------------------------------------------------------
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94 public static class CombinationTree extends TestEventTree {
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95 public CombinationTree (){
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96 printTree();
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97 printPaths();
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98 }
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99
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100 @Override
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101 public Event createEventTree() {
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102 Event[] options = { event("A"), event("B"), event("C") };
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103
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104 return anyCombination(options);
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105 }
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106 }
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107
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108 //@Test
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109 public void testAnyCombination (){
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110 if (verifyNoPropertyViolation("+event.class=.test.mc.data.EventGeneratorTest$CombinationTree", "+log.info=event")){
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111 EventProducer producer = new EventProducer();
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112 StringBuilder sb = new StringBuilder();
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113
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114 while (producer.processNextEvent()){
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115 sb.append(producer.getEventName());
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116 }
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117 }
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118 }
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119
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120 }