--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tests/gov/nasa/jpf/test/mc/basic/IdleLoopTest.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,84 @@
+/*
+ * 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");
+    }
+  }
+
+}