--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tests/gov/nasa/jpf/test/mc/basic/VerifyTest.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,161 @@
+/*
+ * 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.ListenerAdapter;
+import gov.nasa.jpf.search.Search;
+import gov.nasa.jpf.util.test.TestJPF;
+import gov.nasa.jpf.vm.Verify;
+
+import org.junit.Test;
+
+
+/**
+ * test various Verify APIs
+ */
+public class VerifyTest extends TestJPF {
+
+  @Test public void testBreak () {
+
+    if (verifyNoPropertyViolation()) {
+      int y = 4;
+      int x = 0;
+
+      while (x != y) { // JPF should state match on the backjump
+        x = x + 1;
+        if (x > 3) {
+          x = 0;
+        }
+
+        Verify.breakTransition("testBreakTransition"); // this should eventually state match
+      }
+
+      assert false : "we should never get here";
+    }
+  }
+
+  @Test public void testProperties () {
+
+    if (verifyNoPropertyViolation("+hum=didum")) {
+      String target = Verify.getProperty("hum");
+      System.out.println("got hum=" + target);
+      assert target.equals("didum");
+
+      Verify.setProperties("foo=bar");
+      String p = Verify.getProperty("foo");
+      System.out.println("got foo=" + p);
+      assert "bar".equals(p);
+    }
+  }
+  
+  @Test public void testChangeListener () {
+    
+    if (verifyNoPropertyViolation()) {
+      Verify.setProperties("listener=gov.nasa.jpf.listener.StateSpaceAnalyzer");  // This used to cause a NullPointerException
+    }
+  }
+  
+  @Test public void testGetBoolean () {
+
+    Verify.resetCounter(0);
+    Verify.resetCounter(1);
+
+    if (verifyNoPropertyViolation()) {
+      Verify.incrementCounter(Verify.getBoolean() ? 1 : 0);
+    } else {
+      assert Verify.getCounter(0) == 1;
+      assert Verify.getCounter(1) == 1;
+    }
+  }
+
+  @Test public void testGetBooleanFalseFirst () {
+    boolean falseFirst, value;
+
+    Verify.resetCounter(0);
+
+    if (verifyNoPropertyViolation()) {
+    
+      falseFirst = Verify.getBoolean();
+    
+      Verify.resetCounter(0);
+    
+      value = Verify.getBoolean(falseFirst);
+      
+      Verify.ignoreIf(Verify.getCounter(0) != 0);
+      
+      Verify.incrementCounter(0);
+      
+      assert value == !falseFirst;
+    }
+  }
+  
+  /**
+   * This test ensures that stateBacktracked() is called even if the transistion 
+   * is ignored.  This is important for listeners that keep a state that must 
+   * match the VM's state exactly and the state is updated in the middle of 
+   * transitions.  This is not possible if a backtrack happens on an ignored 
+   * transition and the stateBacktracked is not called.
+   */
+  @Test
+  public void backtrackNotificationAfterIgnore() {
+    if (verifyNoPropertyViolation("+listener+=,gov.nasa.jpf.test.mc.basic.VerifyTest$CountBacktrack",
+            "+vm.max_transition_length=MAX")) {
+      if (Verify.getBoolean(false)) {
+        Verify.ignoreIf(true);
+      }
+    } else {
+      // 2 for the Verify.getBoolean, 1 for <root>
+      assertEquals(3, CountBacktrack.getBacktrackedCount());
+    }
+  }
+  
+  public static class CountBacktrack extends ListenerAdapter {
+
+    private static int m_backtrackedCount;
+
+    @Override
+    public void stateBacktracked(Search search) {
+      m_backtrackedCount++;
+    }
+
+    public static int getBacktrackedCount() {
+      return (m_backtrackedCount);
+    }
+  }
+   
+  // <2do>... and many more to come
+
+
+  @Test
+  public void testBitSet() {
+    int id = 2;
+
+    if (verifyNoPropertyViolation()) {      
+      // JPF execution only
+      Verify.setBitInBitSet(id, 3, true);
+      Verify.setBitInBitSet(id, 1, true);
+      
+    } else {
+      // host VM execution only
+      assert Verify.getBitInBitSet(id, 1) == true;
+      assert Verify.getBitInBitSet(id, 2) == false;
+      assert Verify.getBitInBitSet(id, 3) == true;
+    }
+  }
+}