code: /*
   * Copyright (c) 2019, The Regents of the University of California
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   * 1. Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package edu.berkeley.cs.jqf.examples;
  
  import edu.berkeley.cs.jqf.fuzz.Fuzz;
  import edu.berkeley.cs.jqf.fuzz.JQF;
  import edu.berkeley.cs.jqf.instrument.tracing.TraceLogger;
  import edu.berkeley.cs.jqf.instrument.tracing.events.BranchEvent;
  import edu.berkeley.cs.jqf.instrument.tracing.events.TraceEvent;
  import edu.berkeley.cs.jqf.instrument.tracing.events.TraceEventVisitor;
  import janala.logger.inst.METHOD_BEGIN;
  import janala.logger.inst.MemberRef;
  import org.junit.runner.RunWith;
  
  /**
   * @author Rohan Padhye
   */
  @RunWith(JQF.class)
  public class TraceEventTest {
  
      @Fuzz
      public void fakeBranchEvent(int iid, int arm) {
          TraceEvent e = new BranchEvent(iid,
                  new METHOD_BEGIN("examples.A", "foo", "()V"), 0, arm);
          TraceLogger.get().emit(e);
      }
  
      @Fuzz
      public void customEvent(String data) {
          int iid = TraceEventTest.class.hashCode(); // this should be a random value associated with a program location
          MemberRef method = new METHOD_BEGIN("examples.A", "foo", "()V"); // containing method
          int lineNumber = 0; // line number if it exists
  
          // Generate a custom event!
          TraceLogger.get().emit(new CustomEvent(iid, method, lineNumber, data));
  
      }
  
      private static class CustomEvent extends TraceEvent {
  
          private String data;
  
          public CustomEvent(int iid, MemberRef method, int lineNumber, String data) {
              super(iid, method, lineNumber);
              this.data = data;
          }
  
          @Override
          public void applyVisitor(TraceEventVisitor v) {
              throw new UnsupportedOperationException("No visitor method for custom event");
          }
      }
  }
  