code: /*
   * Copyright (c) 2017-2018 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.commons;
  
  import java.util.Map;
  
  import com.pholser.junit.quickcheck.From;
  import com.pholser.junit.quickcheck.generator.Size;
  import edu.berkeley.cs.jqf.examples.common.ArbitraryLengthStringGenerator;
  import edu.berkeley.cs.jqf.fuzz.Fuzz;
  import edu.berkeley.cs.jqf.fuzz.JQF;
  import org.apache.commons.collections4.map.HashedMap;
  import org.junit.Assume;
  import org.junit.runner.RunWith;
  
  /**
   * @author Rohan Padhye
   */
  @RunWith(JQF.class)
  public class HashedMapTest {
  
      @Fuzz
      public void queryStringTest(@From(ArbitraryLengthStringGenerator.class) @Size(max=80) String queryString) {
          Assume.assumeTrue(queryString.length() > 0);
          String[] params = queryString.split("&");
          Map<String, String> map = new HashedMap<>();
          for (String param : params) {
              int eqIdx = param.indexOf('=');
              String key, value;
              if (eqIdx == -1 || eqIdx == 0) {
                  continue;
              } else {
                  key = param.substring(0, eqIdx);
                  value = eqIdx < param.length()-1 ? param.substring(eqIdx+1) : "";
              }
              map.put(key, value);
          }
      }
  }
  