2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
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
10 * http://www.apache.org/licenses/LICENSE-2.0.
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.
19 package gov.nasa.jpf.vm.multiProcess;
21 import gov.nasa.jpf.util.test.TestMultiProcessJPF;
23 import org.junit.Test;
26 * @author Nastaran Shafiei <nastaran.shafiei@gmail.com>
28 public class NativePeerTest extends TestMultiProcessJPF {
30 native void incNativeCounters();
32 native int getNativeCounter();
34 // To make sure that native peers are kept separately - note different class
35 // with the same fully qualified name still share the same NativePeer class
36 // but they keep different instances of it
38 public void nativePeerTest() {
39 // Note that this code is executed 4 times (twice by each process main thread).
40 // Since we do not restore NativePeer states the maximum value of counter in
41 // NativePeer should be 2
42 if (mpVerifyNoPropertyViolation(2, "+vm.max_transition_length=MAX")) { // make sure we don't get a spurious CG
45 int i = getNativeCounter();
46 assertTrue(i==1 || i==2);
50 // To make sure this code is executed 4 times
51 assertEquals(JPF_gov_nasa_jpf_vm_multiProcess_NativePeerTest.getStaticNativeCounter(), 4);