#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab 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.
 *
 * HeuristicLab 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 HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using HeuristicLab.Grammars;
namespace Test {
  [TestClass]
  public class TestGrammar {
    [TestMethod]
    public void TestSimpleGrammar() {
      var gStr =
        @"S -> A
          A->a B
          B ->S b | S a|B b 
          B-> a  aa   aaa
         ";
      var g = HeuristicLab.Grammars.Grammar.FromString(gStr);
      Assert.AreEqual(g.StartSymbol, "S");
      Assert.AreEqual(g.TerminalSymbols.Count(), 4);
      Assert.AreEqual(g.NonTerminalSymbols.Count(), 3);
      Assert.IsTrue(g.TerminalSymbols.Contains("aaa"));
      Assert.IsTrue(g.TerminalSymbols.Contains("aa"));
      Assert.IsTrue(g.NonTerminalSymbols.Contains("S"));
      Assert.IsTrue(g.NonTerminalSymbols.Contains("B"));
      Assert.IsTrue(g.NonTerminalSymbols.Contains("A"));
    }
  }
}