code: /*
   * Copyright (c) 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.chess;
  
  import chess.Situation;
  import chess.format.Forsyth;
  import com.pholser.junit.quickcheck.From;
  import edu.berkeley.cs.jqf.examples.common.ArbitraryLengthStringGenerator;
  import edu.berkeley.cs.jqf.fuzz.Fuzz;
  import edu.berkeley.cs.jqf.fuzz.JQF;
  import org.junit.Assume;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import scala.Option;
  
  import static org.hamcrest.Matchers.greaterThan;
  import static org.junit.Assert.assertThat;
  import static org.junit.Assume.assumeTrue;
  
  /**
   * @author Rohan Padhye
   */
  @RunWith(JQF.class)
  public class FENTest {
  
      public static final String INITIAL_FEN = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
  
      @Test
      public void test() {
          testWithString(INITIAL_FEN);
      }
  
      @Test
      public void debug() {
          debugWithString(INITIAL_FEN);
          debugWithString("Q");
      }
  
      private Situation parseFEN(String fen) {
          Option<Situation> situation = Forsyth.$less$less(fen);
          Assume.assumeTrue(situation.isDefined());
          return situation.get();
      }
  
      @Fuzz
      public void testWithString(@From(ArbitraryLengthStringGenerator.class) String fen) {
          Situation situation = parseFEN(fen);
          assumeTrue(situation.playable(true));
          assertThat(situation.moves().size(), greaterThan(0));
      }
  
      @Fuzz
      public void debugWithString(@From(ArbitraryLengthStringGenerator.class) String fen) {
          Situation situation = parseFEN(fen);
          System.out.println(situation.moves().values());
      }
  
      @Fuzz
      public void testWithGenerator(@From(FENGenerator.class) String fen) {
          testWithString(fen);
      }
  
      @Fuzz
      public void debugWithGenerator(@From(FENGenerator.class) String fen) {
          System.out.println(fen);//debugWithString(fen);
      }
  
      @Fuzz
      public void testWithInputStream(@From(ArbitraryLengthStringGenerator.class) String fen) {
          testWithString(fen);
      }
  }
  