Mercurial > hg > Members > kono > jpf-core
diff src/tests/gov/nasa/jpf/vm/multiProcess/TypeSeparationTest.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
---|---|
date | Fri, 23 Jan 2015 10:14:01 -0800 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/tests/gov/nasa/jpf/vm/multiProcess/TypeSeparationTest.java Fri Jan 23 10:14:01 2015 -0800 @@ -0,0 +1,120 @@ +/* + * Copyright (C) 2014, United States Government, as represented by the + * Administrator of the National Aeronautics and Space Administration. + * All rights reserved. + * + * The Java Pathfinder core (jpf-core) platform is licensed under the + * Apache License, Version 2.0 (the "License"); you may not use this file except + * in compliance with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0. + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package gov.nasa.jpf.vm.multiProcess; + +import java.lang.annotation.Inherited; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.util.List; + +import gov.nasa.jpf.util.test.TestMultiProcessJPF; +import gov.nasa.jpf.vm.ClassInfo; +import gov.nasa.jpf.vm.ClassLoaderInfo; + +import org.junit.Test; + +/** + * @author Nastaran Shafiei <nastaran.shafiei@gmail.com> + */ +public class TypeSeparationTest extends TestMultiProcessJPF { + + private static int counter = 0; + + private static void incCounter() { + counter++; + } + + // To make sure that our multiProcess VM keeps the static attributes separated + // This also checks for type safe clone for the InvokeStatic instruction. + @Test + public void staticCounterTest() { + // Note that this code is executed 4 times. Since every time this is executed its + // state is restored, the value of counter should be always 1 + if (mpVerifyNoPropertyViolation(2)) { + int id = getProcessId(); + switch(id) { + case 0: + incCounter(); + break; + case 1: + incCounter(); + break; + default: + fail("invalid process number!"); + } + + assertEquals(counter,1); + } + } + + @Retention(RetentionPolicy.RUNTIME) + @Inherited + public @interface A0 { + } + + private native void keepAnnotationClass(Class annCls, int prcId); + + @Test + public void annotationsTest () { + if(!isJPFRun()) { + JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.resetPrcIds(); + } + + if (mpVerifyNoPropertyViolation(2)) { + int prcId = getProcessId(); + keepAnnotationClass(A0.class, prcId); + } + + if(!isJPFRun()) { + List<ClassInfo> annClassList = JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.getAnnotationClasses(); + assertEquals(annClassList.size(), 2); + assertTrue(annClassList.get(0)!=annClassList.get(1)); + } + } + + + private native void keepClassLoader(ClassLoader thd, int prcId); + + // to make sure that each process accesses the classes loaded by the right + // system class loader + @Test + public void systemClassLoaderTest() { + if(!isJPFRun()) { + JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.resetPrcIds(); + } + + if (mpVerifyNoPropertyViolation(2)) { + ClassLoader cl = Object.class.getClassLoader(); + + // in our implementation this goes through the class hierarchy of the + // current thread and it returns the class loader of the Thread class + ClassLoader sysLoader = ClassLoader.getSystemClassLoader(); + assertEquals(cl, sysLoader); + + int prcId = getProcessId(); + keepClassLoader(cl, prcId); + } + + if(!isJPFRun()) { + List<ClassLoaderInfo> classLoaders = JPF_gov_nasa_jpf_vm_multiProcess_TypeSeparationTest.getClassLoaders(); + assertEquals(classLoaders.size(), 2); + assertTrue(classLoaders.get(0)!=classLoaders.get(1)); + } + } +}