source: trunk/sources/HeuristicLab.Tests/HeuristicLab.Problems.Instances.DataAnalysis-3.3/TableFileParserTest.cs @ 14563

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2016 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;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace HeuristicLab.Problems.Instances.DataAnalysis.Tests {
  [TestClass()]
  public class TableFileParserTest {
    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseCSV() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0.00, 0.00, 0.00, 3.14
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual(parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseCSVWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01, x02, x03, x04
0.00, 0.00, 0.00, 3.14
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00
0.00, 0.00, 0.00, 0.00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual(parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanCSV() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0,00; 0,00; 0,00; 3,14
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual(parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanCSVWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01; x02; x03; x04
0,00; 0,00; 0,00; 3,14
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00
0,00; 0,00; 0,00; 0,00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual(parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanCSVWithoutCommas() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0; 0; 0; 3
0; 0; 0; 0
0; 0; 0; 0
0; 0; 0; 0
0; 0; 0; 0
0; 0; 0; 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanCSVWithoutCommasWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01; x02; x03; x04
0; 0; 0; 3
0; 0; 0; 0
0; 0; 0; 0
0; 0; 0; 0
0; 0; 0; 0
0; 0; 0; 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishCSVWithoutCommas() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0, 0, 0, 3
0, 0, 0, 0
0, 0, 0, 0
0, 0, 0, 0
0, 0, 0, 0
0, 0, 0, 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishCSVWithoutCommasWithoutSpace() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0,0,0,3
0,0,0,0
0,0,0,0
0,0,0,0
0,0,0,0
0,0,0,0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishCSVWithoutCommasWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01, x02, x03, x04
0, 0, 0, 3
0, 0, 0, 0
0, 0, 0, 0
0, 0, 0, 0
0, 0, 0, 0
0, 0, 0, 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishCSVWithoutCommasWithoutSpacesWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01,x02,x03,x04
0,0,0,3
0,0,0,0
0,0,0,0
0,0,0,0
0,0,0,0
0,0,0,0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }


    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanTabSeparated() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      "0,00\t 0,00\t 0,00\t 3,14" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanTabSeparatedWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      "x01\t x02\t x03\t x04" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 3,14" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00" + Environment.NewLine +
      "0,00\t 0,00\t 0,00\t 0,00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishTabSeparated() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      "0.00\t 0.00\t 0.00\t 3.14" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishTabSeparatedWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      "x01\t x02\t x03\t x04" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 3.14" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00" + Environment.NewLine +
      "0.00\t 0.00\t 0.00\t 0.00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseTabSeparatedWithoutCommas() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      "0\t 0\t 0\t 3" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseTabSeparatedWithoutCommasWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      "x01\t x02\t x03\t x04" + Environment.NewLine +
      "0\t 0\t 0\t 3" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseWithEmtpyLines() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      "x01\t x02\t x03\t x04" + Environment.NewLine +
      "0\t 0\t 0\t 3" + Environment.NewLine +
      Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      " " + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine +
      "0\t 0\t 0\t 0" + Environment.NewLine + Environment.NewLine);
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(4, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanSpaceSeparated() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0,00 0,00 0,00 3,14
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseGermanSpaceSeparatedWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01 x02 x03 x04
0,00 0,00 0,00 3,14
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00
0,00 0,00 0,00 0,00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishSpaceSeparated() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0.00 0.00 0.00 3.14
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishSpaceSeparatedWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01 x02 x03 x04
0.00 0.00 0.00 3.14
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3.14);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseEnglishSpaceSeparatedWithNamesManyColumns() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      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,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(3, parser.Rows);
        Assert.AreEqual(4507, parser.Columns);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseSpaceSeparatedWithoutCommas() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"0 0 0 3
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseSpaceSeparatedWithoutCommasWithNames() {
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"x01 x02 x03 x04
0 0 0 3
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName, parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.AreEqual((double)parser.Values[3][0], 3);
      }
      finally {
        File.Delete(tempFileName);
      }
    }


    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseWithColumnTypeConversionDE() {
      // If first entry of a column can be parsed as a double we assume all values are doubles.
      // However, if any of the following entries cannot be parsed as a double we convert the whole column to a string column.
      // Special care needs to be taken with missing values, NaN (n.def.) and infinity values.
      // We only support DE-DE and InvariantCulture number formats
      string tempFileName = Path.GetTempFileName();
      var deCultureInfo = CultureInfo.GetCultureInfo("DE-DE");
      WriteToFile(tempFileName,
      "str\tdbl\tdbl\tdbl" + Environment.NewLine +
      "1,3\t1,3\t0\t3" + Environment.NewLine +
      "1,3\t\t0\t0" + Environment.NewLine +
      "s\t" + double.NaN.ToString(deCultureInfo) + "\t0\t0" + Environment.NewLine + // double.NaN might have a different string representation on different systems (even when using the same CultureInfo)
      "s\t" + double.PositiveInfinity.ToString(deCultureInfo) + "\t0\t0" + Environment.NewLine +
      "s\t" + double.NegativeInfinity.ToString(deCultureInfo) + "\t0\t0" + Environment.NewLine +
      "s\t0\t0\t0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName,
          deCultureInfo.NumberFormat,
          deCultureInfo.DateTimeFormat,
          '\t',
          true);
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.IsTrue(parser.Values[0] is List<string>);
        Assert.IsTrue(parser.Values[1] is List<double>);
        Assert.IsTrue(parser.Values[2] is List<double>);
        Assert.IsTrue(parser.Values[3] is List<double>);
        Assert.IsTrue(double.IsNaN((double)parser.Values[1][1])); // missing value
        Assert.IsTrue(double.IsNaN((double)parser.Values[1][2]));
        Assert.IsTrue(double.IsPositiveInfinity((double)parser.Values[1][3])); // NOTE: in DE-DE NumberFormat just "unendlich" is not allowed (compare with InvariantCulture)
        Assert.IsTrue(double.IsNegativeInfinity((double)parser.Values[1][4]));
      }
      finally {
        File.Delete(tempFileName);
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseWithColumnTypeConversionInvariant() {
      // see ParseWithColumnTypeConversionDE above
      // same routine only using invariant culture
      string tempFileName = Path.GetTempFileName();
      WriteToFile(tempFileName,
      @"str,dbl,dbl,dbl
1.3,1.3,0,3
1.3,,0,0
s,NaN,0,0
s,Infinity,0,0
s,-Infinity,0,0
s,0,0,0");
      TableFileParser parser = new TableFileParser();
      try {
        parser.Parse(tempFileName,
          CultureInfo.InvariantCulture.NumberFormat,
          CultureInfo.InvariantCulture.DateTimeFormat,
          ',',
          parser.AreColumnNamesInFirstLine(tempFileName));
        Assert.AreEqual(6, parser.Rows);
        Assert.AreEqual(4, parser.Columns);
        Assert.IsTrue(parser.Values[0] is List<string>);
        Assert.IsTrue(parser.Values[1] is List<double>);
        Assert.IsTrue(parser.Values[2] is List<double>);
        Assert.IsTrue(parser.Values[3] is List<double>);
        Assert.IsTrue(double.IsNaN((double)parser.Values[1][1])); // missing value
        Assert.IsTrue(double.IsNaN((double)parser.Values[1][2]));
        Assert.IsTrue(double.IsPositiveInfinity((double)parser.Values[1][3])); // NOTE: in InvariantCulture +Infinity is not allowed (compare with DE-DE)
        Assert.IsTrue(double.IsNegativeInfinity((double)parser.Values[1][4]));
      }
      finally {
        File.Delete(tempFileName);
      }
    }


    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseWithTypeConversion() {
      // the parser tries to determine the column type (double, datetime, string) by looking at the values in the first few rows
      // if the values are of a different type then the type of the column is converted
      {
        // case 1 
        // default for values is double and therefore a column with all missing values should be List<double> and contain NaN
        var tmpFileName = Path.GetTempFileName();
        WriteToFile(tmpFileName,
          @"stringCol,note
,missing val
3.14,double
");

        TableFileParser parser = new TableFileParser();
        try {
          parser.Parse(tmpFileName,
            CultureInfo.InvariantCulture.NumberFormat,
            CultureInfo.InvariantCulture.DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          Assert.IsTrue(parser.Values[0] is List<double>);
          Assert.AreEqual(double.NaN, parser.Values[0][0]);
          Assert.AreEqual(3.14, parser.Values[0][1]);
        }
        finally {
          File.Delete(tmpFileName);
        }

      }

      {
        // case 2
        // 'The first missing values are replaced with double.NaN while the last ones with string.Empty.'

        var tmpFileName = Path.GetTempFileName();
        WriteToFile(tmpFileName,
          @"stringCol,note
,missing val
3.14,
,missing val
str,a string --> column is converted to List<string>
,missing val
");

        TableFileParser parser = new TableFileParser();
        try {
          parser.Parse(tmpFileName,
            CultureInfo.InvariantCulture.NumberFormat,
            CultureInfo.InvariantCulture.DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          Assert.IsTrue(parser.Values[0] is List<string>);
          Assert.AreEqual(string.Empty, parser.Values[0][0]);
          Assert.AreEqual("3.14", parser.Values[0][1]);
          Assert.AreEqual(string.Empty, parser.Values[0][2]);
          Assert.AreEqual("str", parser.Values[0][3]);
          Assert.AreEqual(string.Empty, parser.Values[0][4]);
        }
        finally {
          File.Delete(tmpFileName);
        }
      }

      {
        // case 3
        // DateTime conversion to strings
        var tmpFileName = Path.GetTempFileName();
        WriteToFile(tmpFileName,
          @"stringCol,note
,missing val
3.1.2016,
,missing val
str,a string --> column is converted to List<string>
,missing val
");

        TableFileParser parser = new TableFileParser();
        try {
          parser.Parse(tmpFileName,
            CultureInfo.InvariantCulture.NumberFormat,
            CultureInfo.InvariantCulture.DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          Assert.IsTrue(parser.Values[0] is List<string>);
          Assert.AreEqual(string.Empty, parser.Values[0][0]);
          Assert.AreEqual("3.1.2016", parser.Values[0][1]);
          Assert.AreEqual(string.Empty, parser.Values[0][2]);
          Assert.AreEqual("str", parser.Values[0][3]);
          Assert.AreEqual(string.Empty, parser.Values[0][4]);
        }
        finally {
          File.Delete(tmpFileName);
        }
      }
    }

    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void ParseDateTime() {
      {
        // case 1 dates and datetimes should be parsed as datetime column
        var tmpFileName = Path.GetTempFileName();
        WriteToFile(tmpFileName,
          @"stringCol,note
19.6.2016,date
19.6.2016 8:15,datetime 
");

        TableFileParser parser = new TableFileParser();
        try {
          parser.Parse(tmpFileName,
            CultureInfo.GetCultureInfo("de-de").NumberFormat,
            CultureInfo.GetCultureInfo("de-de").DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          Assert.IsTrue(parser.Values[0] is List<DateTime>);
          Assert.AreEqual(new DateTime(2016, 6, 19), parser.Values[0][0]);
          Assert.AreEqual(new DateTime(2016, 6, 19, 8, 15, 0), parser.Values[0][1]);

          WriteToFile(tmpFileName,
            @"stringCol,note
2016/6/19,date
2016/6/19 8:15,datetime 
");

          parser.Parse(tmpFileName,
            CultureInfo.InvariantCulture.NumberFormat,
            CultureInfo.InvariantCulture.DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          Assert.IsTrue(parser.Values[0] is List<DateTime>);
          Assert.AreEqual(new DateTime(2016, 6, 19), parser.Values[0][0]);
          Assert.AreEqual(new DateTime(2016, 6, 19, 8, 15, 0), parser.Values[0][1]);
        }

        finally {
          File.Delete(tmpFileName);
        }
      }

      {
        // case 2 never parse time values as datetimes
        var tmpFileName = Path.GetTempFileName();
        WriteToFile(tmpFileName,
          @"stringCol,note
8:15,time value
9:40,time value
");

        TableFileParser parser = new TableFileParser();
        try {
          parser.Parse(tmpFileName,
            CultureInfo.InvariantCulture.NumberFormat,
            CultureInfo.InvariantCulture.DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          Assert.IsTrue(parser.Values[0] is List<string>); // time values should be parsed as strings
          Assert.AreEqual("8:15", parser.Values[0][0]);
          Assert.AreEqual("9:40", parser.Values[0][1]);
        }
        finally {
          File.Delete(tmpFileName);
        }
      }
    }



    [TestMethod]
    [TestCategory("Problems.Instances")]
    [TestProperty("Time", "short")]
    public void CheckTypeConversionAndLongFiles() {
      {
        // case 1 incorrect input after 500 rows should lead to exceptions
        var tmpFileName = Path.GetTempFileName();
        // create input data
        var sb = new StringBuilder();
        sb.AppendLine("col1,col2");
        for (int r = 0; r < 2000; r++) {
          sb.AppendLine("3.15, 3.15");
        }
        // add a row with only one input value
        sb.AppendLine("3.15");

        WriteToFile(tmpFileName, sb.ToString());

        TableFileParser parser = new TableFileParser();
        try {
          parser.Parse(tmpFileName,
            CultureInfo.InvariantCulture.NumberFormat,
            CultureInfo.InvariantCulture.DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          // Parse should fail with an exception
          Assert.Fail("expected exception TableFileParser.DataFormatException");
        }
        catch (IOException) {
          // ignore the expected exception
        }

        finally {
          File.Delete(tmpFileName);
        }
      }
      {
        // case 2
        var tmpFileName = Path.GetTempFileName();
        // create input data
        var sb = new StringBuilder();
        sb.AppendLine("doubleCol,stringCol");
        for (int r = 0; r < 2000; r++) {
          sb.AppendLine("3.15, 3.15");
        }
        // add a row with a string value --> the column should be converted to string
        sb.AppendLine("3.15,str");

        WriteToFile(tmpFileName, sb.ToString());

        TableFileParser parser = new TableFileParser();
        try {
          parser.Parse(tmpFileName,
            CultureInfo.InvariantCulture.NumberFormat,
            CultureInfo.InvariantCulture.DateTimeFormat,
            separator: ',', columnNamesInFirstLine: true);
          Assert.IsTrue(parser.Values[0] is List<double>);
          Assert.IsTrue(parser.Values[1] is List<string>);
          Assert.AreEqual(parser.Values[1][0], "3.15");
          Assert.AreEqual(parser.Values[1][2000], "str");
        }

        finally {
          File.Delete(tmpFileName);
        }
      }
    }

    private void WriteToFile(string fileName, string content) {
      using (StreamWriter writer = new StreamWriter(fileName)) {
        writer.Write(content);
      }
    }
  }
}