private static void GenerateAllSolutionsTrees()
{
System.Console.WriteLine();
System.Console.WriteLine("Generating all solutions trees...");
System.Console.WriteLine();
FileInfo[] files = new DirectoryInfo(Directories.Examples).GetFiles(FileExtensions.XmlZipMask);
ShowProgress(0, 70);
new DirectoryInfo(Directories.SolutionTrees).CreateOrEmpty();
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(files, (file) =>
{
SudokuBoard board = SudokuBoard.LoadFromFile(file.FullName);
for (int i = 0; i < 4; i++)
{
SudokuSolutionNode node = SudokuSolutionNode.CreateRoot(board);
node.SolveWithStepAll();
node.SaveToFile(Directories.SolutionTrees + Path.DirectorySeparatorChar +
Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(file.FullName)) + "_rotate_" + i + FileExtensions.XmlZipExt);
board = board.Rotate();
}
counter.Increment();
lock (counter)
{
ShowProgress(counter.Value * 70 / files.Length, 70);
}
});
}
public void Test_Solution_Tress_Verificator()
{
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
FileInfo[] files = new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask);
string dir_diff = Directories.SolutionTrees + Path.DirectorySeparatorChar + "Verification_Failed";
new DirectoryInfo(dir_diff).CreateOrEmpty();
bool ok = true;
ConcurrentCounter counter = new ConcurrentCounter();
int index = 0;
Parallel.ForEach(files, (file) =>
{
counter.Increment();
pi.AddLine((counter.Value * 100 / files.Length).ToString());
SudokuSolutionNode node = SudokuSolutionNode.LoadFromFile(file.FullName);
foreach (SudokuSolutionNode n in node.GetAllNodesEnumerator())
{
if (n.State == SudokuSolutionNodeState.Solution)
{
SudokuVerificator verificator = new SudokuVerificator(n.Board);
foreach (SudokuNumber number in n.Solution.Removed)
{
bool b = verificator.IsImpossible(number.Col, number.Row, number.Number - 1);
if (!b)
{
ok = false;
string diff_file = String.Format(
"{0}{1}{2}_index_{3}_sol_type_{4}_coords_{5}_number_{6}{7}",
dir_diff,
Path.DirectorySeparatorChar,
Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(file.FullName)),
index,
n.Solution.Type,
number.Coords,
number.Number,
FileExtensions.XmlZipExt);
new SudokuIntermediateSolution(n.Parent.Board, n.Board,
n.Solution).SaveToFile(diff_file);
index++;
}
}
}
}
});
Assert.IsTrue(ok);
}
public void Test_Examples_Solvable()
{
SudokuOptions.Current.ShowAllSolutions = false;
SudokuOptions.Current.IncludeBoxes = true;
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
FileInfo[] files = new DirectoryInfo(Directories.Examples).GetFiles(FileExtensions.XmlZipMask);
ConcurrentBag <string> unsolvable = new ConcurrentBag <string>();
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(files, (file) =>
{
SudokuBoard board = SudokuBoard.LoadFromFile(file.FullName);
Assert.IsNotNull(board, file.FullName);
counter.Increment();
pi.AddLine((counter.Value * 100 / files.Length).ToString());
for (int i = 0; i < 4; i++)
{
SudokuSolutionNode root_node = SudokuSolutionNode.CreateRoot(board);
SudokuSolutionNode node = root_node.Solve();
if (!node.Board.IsSolved)
{
unsolvable.Add("unsolvable; rotate_" + i + "; " + file.Name);
}
board = board.Rotate();
}
});
if (unsolvable.Count > 0)
{
foreach (var file in unsolvable)
{
TestContext.WriteLine(file);
}
Assert.Fail();
}
}
public void Test_Examples_Unsolvable()
{
SudokuOptions.Current.ShowAllSolutions = false;
SudokuOptions.Current.IncludeBoxes = true;
FileInfo[] files = new DirectoryInfo(Directories.Examples +
Path.DirectorySeparatorChar + "Unsolvable").GetFiles(FileExtensions.XmlZipMask);
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
ConcurrentBag <string> solvable = new ConcurrentBag <string>();
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(files, (file) =>
{
counter.Increment();
pi.AddLine((counter.Value * 100 / files.Length).ToString());
SudokuBoard board = SudokuBoard.LoadFromFile(file.FullName);
Assert.IsNotNull(board, file.FullName);
SudokuSolutionNode root_node = SudokuSolutionNode.CreateRoot(board);
SudokuSolutionNode node = root_node.Solve();
if (node.Board.IsSolved)
{
solvable.Add("solvable; " + file.FullName);
}
});
if (solvable.Count != 0)
{
foreach (var line in solvable)
{
TestContext.WriteLine(line);
}
Assert.Fail();
}
}
static void Main(string[] args)
{
ConcurrentCounter counter = new ConcurrentCounter();
Task.Run(() =>
{
counter.Increment();
counter.Increment();
counter.Increment();
counter.Increment();
});
Task.Run(() =>
{
counter.Decrement();
counter.Decrement();
counter.Decrement();
Console.WriteLine(counter.Decrement());
});
Console.ReadLine();
}
private static void GenerateAllSolutions(GenerationMethod a_method)
{
System.Console.WriteLine();
System.Console.WriteLine("Generating solutions...");
System.Console.WriteLine();
string dir = Directories.SolutionTrees + Path.DirectorySeparatorChar + "All";
new DirectoryInfo(dir).CreateOrEmpty();
FileInfo[] files1 = new DirectoryInfo(Directories.Examples).GetFiles(FileExtensions.XmlZipMask);
FileInfo[] files2 = new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask);
var not_all = (from file1 in files1
where files2.Count(fi => Directories.ConvertName(fi.FullName) == file1.Name) < 4
select file1).ToArray();
var too_much = (from file2 in files2
where files1.All(fi => fi.Name != Directories.ConvertName(file2.Name))
select file2).ToArray();
if (not_all.Count() > 0)
{
System.Console.WriteLine("Is in 'Examples', but not in 'SolutionTrees' (run project 'SudokuGenerator'): " + not_all.First().FullName);
System.Console.ReadKey(true);
return;
}
if (too_much.Count() > 0)
{
System.Console.WriteLine("Is in 'SolutionTrees', but not in 'Examples': " + too_much.First().FullName);
System.Console.ReadKey(true);
return;
}
FileInfo[] files = (from file in new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask)
group file by Directories.ConvertName(file.Name) into gr
select gr.First()).ToArray();
ShowProgress(0, 70);
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(files, (file) =>
{
SudokuSolutionNode root = SudokuSolutionNode.LoadFromFile(file.FullName);
string file_name = Path.GetFileNameWithoutExtension(Directories.ConvertName(file.Name));
Dictionary <SudokuSolutionType, int> counters = new Dictionary <SudokuSolutionType, int>();
Dictionary <SudokuSolutionType, List <SudokuSolutionNode> > lists = new Dictionary <SudokuSolutionType, List <SudokuSolutionNode> >();
foreach (var type in Enum.GetValues(typeof(SudokuSolutionType)).Cast <SudokuSolutionType>())
{
if (type == SudokuSolutionType.MarkImpossibles)
{
continue;
}
if (type == SudokuSolutionType.MarkSolved)
{
continue;
}
if (type == SudokuSolutionType.SinglesInUnit)
{
continue;
}
new DirectoryInfo(dir + Path.DirectorySeparatorChar + type).CreateOrEmpty();
lists[type] = new List <SudokuSolutionNode>();
counters[type] = 1;
}
foreach (var list in lists.Values)
{
list.Clear();
}
foreach (SudokuSolutionNode node in root.GetAllNodesEnumerator())
{
if (node.State != SudokuSolutionNodeState.State)
{
continue;
}
var nodes = (from n in node.Nodes
where (n.Solution.Type != SudokuSolutionType.MarkImpossibles) &&
(n.Solution.Type != SudokuSolutionType.MarkSolved) &&
(n.Solution.Type != SudokuSolutionType.SinglesInUnit)
select n).ToList();
var sols = SudokuSolutionNode.FilterByOptions(nodes.Select(n => n.Solution).ToList());
var nodes_gr = (from n in nodes
where sols.Contains(n.Solution)
group n by n.Solution.Type into gr
select gr.ToList()).ToList();
if ((a_method == GenerationMethod.OneType) || (a_method == GenerationMethod.OneSolution))
{
bool one_type = nodes_gr.Count(gr => gr.Any()) == 1;
if (!one_type)
{
continue;
}
}
if (a_method == GenerationMethod.OneSolution)
{
bool one_solution = nodes_gr.Count(gr => gr.Count == 1) == 1;
if (!one_solution)
{
continue;
}
}
foreach (var n in nodes)
{
lists[n.Solution.Type].Add(n);
}
}
foreach (var list in lists.Values)
{
var uniques = from n in list
group n by n.Solution into gr
select gr.First();
var exclude = from n1 in uniques
from n2 in uniques
where !Object.ReferenceEquals(n1, n2) &&
n1.Solution.Removed.Contains(n2.Solution.Removed, Comparators.SudokuNumberRowColComparer.Instance) &&
n1.Solution.Stayed.Contains(n2.Solution.Stayed, Comparators.SudokuNumberRowColComparer.Instance) &&
n1.Solution.ColorUnits.Equals(n2.Solution.ColorUnits)
select n2;
var sols = uniques.Except(exclude);
foreach (var n in sols)
{
SudokuIntermediateSolution intermediate_solution = new SudokuIntermediateSolution(n.Board, n.NextBoard, n.Solution);
intermediate_solution.SaveToFile(dir + Path.DirectorySeparatorChar + n.Solution.Type + Path.DirectorySeparatorChar +
file_name + " - " + counters[n.Solution.Type]++ + FileExtensions.XmlZipExt);
}
}
counter.Increment();
lock (counter)
{
ShowProgress(counter.Value * 70 / files.Length, 70);
}
});
}
public void Test_Solution_Trees_Consolidate()
{
SudokuOptions.Current.ShowAllSolutions = false;
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
FileInfo[] files = new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask);
string dir = Directories.SolutionTrees + Path.DirectorySeparatorChar + "Consolidate";
new DirectoryInfo(dir).CreateOrEmpty();
int index = 0;
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(files, (file) =>
{
counter.Increment();
pi.AddLine((counter.Value * 100 / files.Length).ToString());
SudokuSolutionNode root = SudokuSolutionNode.LoadFromFile(file.FullName);
foreach (SudokuSolutionNode node in root.GetAllNodesEnumerator())
{
if (node.State != SudokuSolutionNodeState.State)
{
continue;
}
var filtered_sols = SudokuSolutionNode.FilterByOptions(node.Nodes.Select(n => n.Solution).ToList());
var filtered_nodes = (from n in node.Nodes
where filtered_sols.Contains(n.Solution)
select n).ToList();
var new_includes = (from n1 in filtered_nodes
from n2 in filtered_nodes
where SudokuSolutionNode.IsInclude(n1.Solution, n2.Solution, false)
select new { n1, n2 }).ToList();
var ignore_pairs = new[]
{
new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.BoxLineReduction },
new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.PointingPair },
new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.NakedTriple },
new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.NakedQuad },
new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.BoxLineReduction },
new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.NakedQuad },
new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.PointingPair },
new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.PointingTriple },
new [] { SudokuSolutionType.NakedQuad, SudokuSolutionType.PointingPair },
new [] { SudokuSolutionType.HiddenPair, SudokuSolutionType.HiddenTriple },
new [] { SudokuSolutionType.HiddenPair, SudokuSolutionType.HiddenQuad },
new [] { SudokuSolutionType.HiddenTriple, SudokuSolutionType.HiddenQuad },
};
var ignore = from pair in new_includes
from ignore_pair in ignore_pairs
where (((pair.n1.Solution.Type == ignore_pair.First()) &&
(pair.n2.Solution.Type == ignore_pair.Last())) ||
((pair.n1.Solution.Type == ignore_pair.Last()) &&
(pair.n2.Solution.Type == ignore_pair.First())))
select pair;
new_includes = new_includes.Except(ignore).ToList();
var doubles = from p1 in new_includes
from p2 in new_includes
where (p1.n1 == p2.n2) &&
(p1.n2 == p2.n1)
select p1;
new_includes = new_includes.Except(doubles).ToList();
foreach (var pair in new_includes)
{
SudokuIntermediateSolution intermediate_solution_1 =
new SudokuIntermediateSolution(pair.n1.Board, pair.n1.NextBoard, pair.n1.Solution);
intermediate_solution_1.SaveToFile(dir + Path.DirectorySeparatorChar + index + "_" +
Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(file.FullName)) + "_" +
pair.n1.Solution.Type + FileExtensions.XmlZipExt);
SudokuIntermediateSolution intermediate_solution_2 =
new SudokuIntermediateSolution(pair.n2.Board, pair.n2.NextBoard, pair.n2.Solution);
intermediate_solution_2.SaveToFile(dir + Path.DirectorySeparatorChar + index + "_" +
Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(file.FullName)) + "_" +
pair.n2.Solution.Type + FileExtensions.XmlZipExt);
index++;
}
}
});
Assert.IsTrue(index == 0);
}
public void Test_Solution_Trees_vs_Examples()
{
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
FileInfo[] files1 = new DirectoryInfo(Directories.Examples).GetFiles(FileExtensions.XmlZipMask);
FileInfo[] files2 = new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask);
var not_all = (from file1 in files1
where files2.Count(fi => Directories.ConvertName(fi.FullName) == file1.Name) < 4
select file1).ToArray();
var too_much = (from file2 in files2
where files1.All(fi => fi.Name != Directories.ConvertName(file2.Name))
select file2).ToArray();
if (not_all.Count() > 0)
{
Assert.Fail("Is in 'Examples', but not in 'SolutionTrees' (run project 'SudokuGenerator'): " +
not_all.First().FullName);
}
if (too_much.Count() > 0)
{
Assert.Fail("Is in 'SolutionTrees', but not in 'Examples': " + too_much.First().FullName);
}
string dir3 = Directories.SolutionTrees + Path.DirectorySeparatorChar + "Diffrencies";
new DirectoryInfo(dir3).CreateOrEmpty();
string dir4 = Directories.SolutionTrees + Path.DirectorySeparatorChar + "Diffrencies" +
Path.DirectorySeparatorChar + "Added";
new DirectoryInfo(dir4).CreateOrEmpty();
string dir5 = Directories.SolutionTrees + Path.DirectorySeparatorChar + "Diffrencies" +
Path.DirectorySeparatorChar + "Removed";
new DirectoryInfo(dir5).CreateOrEmpty();
bool b = false;
ConcurrentBag <string> list = new ConcurrentBag <string>();
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(files2, (file2, state) =>
{
counter.Increment();
pi.AddLine((counter.Value * 100 / files2.Length).ToString());
SudokuSolutionNode node2 = SudokuSolutionNode.LoadFromFile(file2.FullName);
SudokuBoard board = SudokuBoard.LoadFromFile(files1.First(f => f.Name ==
Directories.ConvertName(file2.FullName)).FullName);
board = board.Rotate(ExtractRotateNumber(file2.Name));
SudokuSolutionNode node1 = SudokuSolutionNode.CreateRoot(board);
node1.SolveWithStepAll();
Assert.AreEqual(node1.State, node2.State, file2.FullName);
Assert.AreEqual(node1.Board, node2.Board, file2.FullName);
Assert.AreEqual(node1.Solution, node2.Solution, file2.FullName);
b |= CompareNodes(node1, node2, file2, list, 1, 1);
});
if (list.Count != 0)
{
string filename = dir3 + Path.DirectorySeparatorChar + "!Diffrencies.txt";
using (FileStream fs = new FileStream(filename, FileMode.Create))
{
StreamWriter sw = new StreamWriter(fs);
list.ForEach(s => sw.WriteLine(s));
sw.Flush();
}
TestContext.AddResultFile(filename);
}
Assert.IsFalse(b);
}
public void Test_Solutions_Unique()
{
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
FileInfo[] files = new DirectoryInfo(Directories.Solutions).GetFiles(FileExtensions.XmlZipMask);
var solutions1 = (from file in files.AsParallel()
select new
{
intermediate_solution = SudokuIntermediateSolution.LoadFromFile(file.FullName),
fileName = file.FullName,
}).ToArray();
solutions1.ForEach(example => Assert.IsNotNull(example.intermediate_solution, example.fileName));
var solutions2 = (from sol in solutions1.AsParallel()
select new[]
{
new
{
intermediate_solution = sol.intermediate_solution,
fileName = sol.fileName,
rotate = 0
},
new
{
intermediate_solution = sol.intermediate_solution.Rotate(),
fileName = sol.fileName,
rotate = 1
},
new
{
intermediate_solution = sol.intermediate_solution.Rotate().Rotate(),
fileName = sol.fileName,
rotate = 2
},
new
{
intermediate_solution = sol.intermediate_solution.Rotate().Rotate().Rotate(),
fileName = sol.fileName,
rotate = 3
}
}).SelectMany().ToArray();
var solutions_gr = (from obj in solutions2
group obj by obj.intermediate_solution.Solution.Type into gr
select(from obj in gr
orderby obj.fileName
select obj).ToArray()).ToArray();
solutions_gr = (from gr in solutions_gr
select(gr.Length == 80) ? new[] { gr.Take(40).ToArray(), gr.Skip(40).Take(40).ToArray() } :
new[] { gr }).SelectMany(gr => gr.ToArray()).ToArray();
ConcurrentBag <string> not_uniques = new ConcurrentBag <string>();
ConcurrentCounter counter = new ConcurrentCounter();
int count = solutions_gr.Sum(gr => gr.Length);
Parallel.ForEach(solutions_gr, (solution_gr) =>
{
var sols = solution_gr;
foreach (var solution1 in sols)
{
foreach (var solution2 in sols.Except(solution1))
{
if (sols.IndexOf(solution1) >= sols.IndexOf(solution2))
{
continue;
}
if ((solution1.fileName == solution2.fileName))
{
continue;
}
if (solution1.intermediate_solution.Equals(solution2.intermediate_solution))
{
not_uniques.Add("are the same");
not_uniques.Add("solution1; " + solution1.rotate + " - " + solution1.fileName);
not_uniques.Add("solution2; " + solution2.rotate + " - " + solution2.fileName);
}
}
counter.Increment();
pi.AddLine((counter.Value * 100 / count).ToString());
}
});
if (not_uniques.Count != 0)
{
foreach (var line in not_uniques)
{
TestContext.WriteLine(line);
}
Assert.Fail();
}
}
public void Test_Solutions_Solvable()
{
SudokuOptions.Current.ShowAllSolutions = false;
SudokuOptions.Current.IncludeBoxes = true;
FileInfo[] files = new DirectoryInfo(Directories.Solutions).GetFiles(FileExtensions.XmlZipMask);
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
var solutions1 = (from file in files.AsParallel()
select new
{
intermediate_solution = SudokuIntermediateSolution.LoadFromFile(file.FullName),
fileName = file.FullName
}).ToArray();
var solutions2 = (from sol in solutions1.AsParallel()
select new[]
{
new
{
intermediate_solution = sol.intermediate_solution,
fileName = sol.fileName,
rotate = 0
},
new
{
intermediate_solution = sol.intermediate_solution.Rotate(),
fileName = sol.fileName,
rotate = 1
},
new
{
intermediate_solution = sol.intermediate_solution.Rotate().Rotate(),
fileName = sol.fileName,
rotate = 2
},
new
{
intermediate_solution = sol.intermediate_solution.Rotate().Rotate().Rotate(),
fileName = sol.fileName,
rotate = 3
}
}).SelectMany().ToArray();
var solutions3 = (from sol in solutions2
group sol by sol.intermediate_solution.Solution.Type into gr
select gr.ToArray()).ToArray();
ConcurrentBag <string> unsolvable = new ConcurrentBag <string>();
int count = solutions3.Sum(gr => gr.Count());
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(ChunkPartitioner.Create(solutions3.SelectMany(), 10), (solution) =>
{
if (!solution.intermediate_solution.Test(true))
{
unsolvable.Add("unsolvable; rotate_" + solution.rotate + "; " + solution.fileName);
}
counter.Increment();
pi.AddLine((counter.Value * 100 / count).ToString());
});
if (unsolvable.Count > 0)
{
foreach (var file in unsolvable)
{
TestContext.WriteLine(file);
}
Assert.Fail();
}
}
public void Test_Examples_Unique()
{
FileInfo[] files1 = new DirectoryInfo(Directories.Examples).GetFiles(FileExtensions.XmlZipMask);
FileInfo[] files2 = new DirectoryInfo(Directories.Examples + Path.DirectorySeparatorChar +
"Unsolvable").GetFiles(FileExtensions.XmlZipMask);
ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name);
var examples1 = from file in files1.Concat(files2).AsParallel()
select new
{
board = SudokuBoard.LoadFromFile(file.FullName),
fileName = file.FullName
};
var examples2 = (from example in examples1.AsParallel()
select new[]
{
new
{
board = example.board,
fileName = example.fileName,
rotate = 0
},
new
{
board = example.board.Rotate(),
fileName = example.fileName,
rotate = 1
},
new
{
board = example.board.Rotate().Rotate(),
fileName = example.fileName,
rotate = 2
},
new
{
board = example.board.Rotate().Rotate().Rotate(),
fileName = example.fileName,
rotate = 3
}
}).SelectMany().ToArray();
ConcurrentBag <string> not_uniques = new ConcurrentBag <string>();
ConcurrentCounter counter = new ConcurrentCounter();
Parallel.ForEach(examples2, (example1) =>
{
counter.Increment();
pi.AddLine((counter.Value * 100 / examples2.Length).ToString());
foreach (var example2 in examples2.Except(example1))
{
if (example1.fileName == example2.fileName)
{
continue;
}
if ((from num1 in example1.board.Numbers()
where num1.IsSolved
select num1).All(num1 => example2.board[num1.Col, num1.Row][num1.Number - 1].IsSolved))
{
not_uniques.Add("not unique");
not_uniques.Add("example; rotate_" + example1.rotate + "; " + example1.fileName);
not_uniques.Add("include in rotate_" + example2.rotate + "; " + example2.fileName);
}
}
});
if (not_uniques.Count != 0)
{
foreach (var line in not_uniques)
{
TestContext.WriteLine(line);
}
Assert.Fail();
}
}
