code: /****************************************************************************
  
      ePMC - an extensible probabilistic model checker
      Copyright (C) 2017
  
      This program is free software: you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published by
      the Free Software Foundation, either version 3 of the License, or
      (at your option) any later version.
  
      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.
  
      You should have received a copy of the GNU General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
   *****************************************************************************/
  
  package epmc;
  
  import static epmc.ModelNamesOwn.*;
  import static epmc.modelchecker.TestHelper.assertEquals;
  import static epmc.modelchecker.TestHelper.close;
  import static epmc.modelchecker.TestHelper.computeResult;
  import static epmc.modelchecker.TestHelper.prepare;
  import static epmc.modelchecker.TestHelper.prepareOptions;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import epmc.modelchecker.EngineExplicit;
  import epmc.modelchecker.options.OptionsModelChecker;
  import epmc.options.Options;
  import epmc.value.Value;
  
  public class PropositionalAndOperatorTest {
      @BeforeClass
      public static void initialise() {
          prepare();
      }
  
      @Test
      public void operatorTest() {
          Options options = prepareOptions();
          options.set(OptionsModelChecker.ENGINE, EngineExplicit.class);
          Value result;
          double tolerance = 1E-10;
          Map<String,Object> constants = new HashMap<>();
          constants.put("N", "10");
          constants.put("M", "2");
          options.set(OptionsModelChecker.CONST, constants);
          result = computeResult(options, CHAIN, "(filter(sum,s,true)+2)*3");
          assertEquals(501, result, tolerance);
          result = computeResult(options, CHAIN, "(filter(sum,s,true)+2)*3*2");
          assertEquals(1002, result, tolerance);
          result = computeResult(options, CHAIN, "(filter(sum,s,true)+2)*(3*2)");
          assertEquals(1002, result, tolerance);
          result = computeResult(options, CHAIN,
                  "(filter(sum,s,true)+2)*(3*2) = 1002");
          assertEquals(true, result);
          result = computeResult(options, CHAIN,
                  "(filter(sum,s,true)+2)*(3*2) != 1002");
          assertEquals(false, result);
          close(options);
      }
  }
  