#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2008 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 HeuristicLab.GP.StructureIdentification;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using HeuristicLab.GP.Interfaces;
using System.IO;
using HeuristicLab.DataAnalysis;
using System;
using HeuristicLab.Random;
using System.Collections.Generic;
using HeuristicLab.GP.Operators;
using System.Diagnostics;
namespace HeuristicLab.GP.Test {


  [TestClass()]
  public class FunctionTreeTest {
    private TestContext testContextInstance;

    /// <summary>
    ///Gets or sets the test context which provides
    ///information about and functionality for the current test run.
    ///</summary>
    public TestContext TestContext {
      get {
        return testContextInstance;
      }
      set {
        testContextInstance = value;
      }
    }

    [TestMethod()]
    public void SizeTest() {
      var importer = new SymbolicExpressionImporter();
      IFunctionTree tree = importer.Import("(variable 2.0 a 0)");
      Assert.AreEqual(1, tree.GetSize());

      tree = importer.Import("2.0");
      Assert.AreEqual(1, tree.GetSize());

      tree = importer.Import("(+ 2.0)");
      Assert.AreEqual(2, tree.GetSize());

      tree = importer.Import("(+ 2.0 2.0)");
      Assert.AreEqual(3, tree.GetSize());

      tree = importer.Import("(+ 2.0 (+ 2.0 2.0))");
      Assert.AreEqual(5, tree.GetSize());
    }

    [TestMethod()]
    public void HeightTest() {
      var importer = new SymbolicExpressionImporter();
      IFunctionTree tree = importer.Import("(variable 2.0 a 0)");
      Assert.AreEqual(1, tree.GetHeight());

      tree = importer.Import("2.0");
      Assert.AreEqual(1, tree.GetHeight());

      tree = importer.Import("(+ 2.0)");
      Assert.AreEqual(2, tree.GetHeight());

      tree = importer.Import("(+ 2.0 2.0)");
      Assert.AreEqual(2, tree.GetHeight());

      tree = importer.Import("(+ 2.0 (+ 2.0 2.0))");
      Assert.AreEqual(3, tree.GetHeight());
    }
  }
}