Mercurial > hg > Members > kono > jpf-core
view src/tests/gov/nasa/jpf/test/mc/basic/IdleLoopTest.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -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.test.mc.basic; import gov.nasa.jpf.util.test.TestJPF; import org.junit.Test; /** * JPF test driver for the IdleFilter listener */ public class IdleLoopTest extends TestJPF { static final String LISTENER = "+listener=.listener.IdleFilter"; @Test public void testBreak () { if (verifyNoPropertyViolation(LISTENER, "+idle.action=break", "+log.warning=gov.nasa.jpf.listener.IdleFilter", "+vm.max_transition_length=MAX")) { int y = 4; int x = 0; while (x != y) { // JPF should state match on the backjump x = x + 1; if (x > 3) { x = 0; } } assert false : "we should never get here"; } } @Test public void testPrune () { if (verifyNoPropertyViolation(LISTENER, "+idle.action=prune", "+log.warning=gov.nasa.jpf.listener.IdleFilter", "+vm.max_transition_length=MAX")) { int y = 4; int x = 0; int loopCount = 0; while (x != y) { // JPF should prune on the backjump despite of changed 'loopCount' loopCount++; x = x + 1; if (x > 3) { x = 0; } } assert false : "we should never get here"; } } @Test public void testJump () { if (verifyNoPropertyViolation(LISTENER, "+idle.action=jump", "+idle.max_backjumps=100", "+log.warning=gov.nasa.jpf.listener.IdleFilter", "+vm.max_transition_length=MAX")) { for (int i=0; i<1000; i++){ assert i < 500 : "JPF failed to jump past idle loop"; } System.out.println("Ok, jumped past loop"); } } }