content: /**
   * Copyright (c) 2019, the Alpha Team.
   * All rights reserved.
   * <p>
   * Additional changes made by Siemens.
   * <p>
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   * <p>
   * 1) Redistributions of source code must retain the above copyright notice, this
   * list of conditions and the following disclaimer.
   * <p>
   * 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.
   * <p>
   * 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 at.ac.tuwien.kr.alpha.commons.programs;
  
  import at.ac.tuwien.kr.alpha.api.programs.ASPCore2Program;
  import at.ac.tuwien.kr.alpha.api.programs.InlineDirectives;
  import at.ac.tuwien.kr.alpha.api.programs.atoms.Atom;
  import at.ac.tuwien.kr.alpha.api.programs.rules.Rule;
  import at.ac.tuwien.kr.alpha.api.programs.rules.heads.Head;
  import at.ac.tuwien.kr.alpha.api.programs.tests.TestCase;
  import at.ac.tuwien.kr.alpha.commons.util.Util;
  
  import java.util.Collections;
  import java.util.List;
  
  /**
   * Alpha-internal representation of an ASP program, i.e., a set of ASP rules.
   * <p>
   * Copyright (c) 2017-2019, the Alpha Team.
   */
  class ASPCore2ProgramImpl extends AbstractProgram<Rule<Head>> implements ASPCore2Program{
  
  	static final ASPCore2ProgramImpl EMPTY = new ASPCore2ProgramImpl(Collections.emptyList(), Collections.emptyList(), new InlineDirectivesImpl(), Collections.emptyList());
  
  	private final List<TestCase> testCases;
  
  	ASPCore2ProgramImpl(List<Rule<Head>> rules, List<Atom> facts, InlineDirectives inlineDirectives, List<TestCase> testCases) {
  		super(rules, facts, inlineDirectives);
  		this.testCases = testCases;
  	}
  
  	@Override
  	public List<TestCase> getTestCases() {
  		return testCases;
  	}
  
  	@Override
  	public String toString() {
  		String ls = System.lineSeparator();
  		final String testsString = testCases.isEmpty() ? "" : Util.join("", testCases, ls, ls);
  		return super.toString() + testsString;
  	}
  
  }
  