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comparison src/tests/gov/nasa/jpf/vm/multiProcess/TypeSeparationTest.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
4 * All rights reserved.
5 *
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0.
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package gov.nasa.jpf.vm.multiProcess;
20
21 import java.lang.annotation.Inherited;
22 import java.lang.annotation.Retention;
23 import java.lang.annotation.RetentionPolicy;
24 import java.util.List;
25
26 import gov.nasa.jpf.util.test.TestMultiProcessJPF;
27 import gov.nasa.jpf.vm.ClassInfo;
28 import gov.nasa.jpf.vm.ClassLoaderInfo;
29
30 import org.junit.Test;
31
32 /**
33 * @author Nastaran Shafiei <nastaran.shafiei@gmail.com>
34 */
35 public class TypeSeparationTest extends TestMultiProcessJPF {
36
37 private static int counter = 0;
38
39 private static void incCounter() {
40 counter++;
41 }
42
43 // To make sure that our multiProcess VM keeps the static attributes separated
44 // This also checks for type safe clone for the InvokeStatic instruction.
45 @Test
46 public void staticCounterTest() {
47 // Note that this code is executed 4 times. Since every time this is executed its
48 // state is restored, the value of counter should be always 1
49 if (mpVerifyNoPropertyViolation(2)) {
50 int id = getProcessId();
51 switch(id) {
52 case 0:
53 incCounter();
54 break;
55 case 1:
56 incCounter();
57 break;
58 default:
59 fail("invalid process number!");
60 }
61
62 assertEquals(counter,1);
63 }
64 }
65
66 @Retention(RetentionPolicy.RUNTIME)
67 @Inherited
68 public @interface A0 {
69 }
70
71 private native void keepAnnotationClass(Class annCls, int prcId);
72
73 @Test
74 public void annotationsTest () {
75 if(!isJPFRun()) {
76 JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.resetPrcIds();
77 }
78
79 if (mpVerifyNoPropertyViolation(2)) {
80 int prcId = getProcessId();
81 keepAnnotationClass(A0.class, prcId);
82 }
83
84 if(!isJPFRun()) {
85 List<ClassInfo> annClassList = JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.getAnnotationClasses();
86 assertEquals(annClassList.size(), 2);
87 assertTrue(annClassList.get(0)!=annClassList.get(1));
88 }
89 }
90
91
92 private native void keepClassLoader(ClassLoader thd, int prcId);
93
94 // to make sure that each process accesses the classes loaded by the right
95 // system class loader
96 @Test
97 public void systemClassLoaderTest() {
98 if(!isJPFRun()) {
99 JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.resetPrcIds();
100 }
101
102 if (mpVerifyNoPropertyViolation(2)) {
103 ClassLoader cl = Object.class.getClassLoader();
104
105 // in our implementation this goes through the class hierarchy of the
106 // current thread and it returns the class loader of the Thread class
107 ClassLoader sysLoader = ClassLoader.getSystemClassLoader();
108 assertEquals(cl, sysLoader);
109
110 int prcId = getProcessId();
111 keepClassLoader(cl, prcId);
112 }
113
114 if(!isJPFRun()) {
115 List<ClassLoaderInfo> classLoaders = JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.getClassLoaders();
116 assertEquals(classLoaders.size(), 2);
117 assertTrue(classLoaders.get(0)!=classLoaders.get(1));
118 }
119 }
120 }