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
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--- /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
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+/*
+ * 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));
+    }
+  }
+}