/// <summary>
/// Method that generates the playfield
/// </summary>
/// <param name="rand">Parameter of type IRandomNumberGenerator</param>
/// <returns>Returns the playfield as a two dimensional array</returns>
public ICell[,] GeneratePlayField(IRandomNumberGenerator rand)
{
for (int row = 0; row < this.rows; row++)
{
for (int col = 0; col < this.cols; col++)
{
int cellRandomValue = rand.GenerateNext(0, 1);
char charValue;
if (cellRandomValue == 0)
{
charValue = Constants.StandardGameCellEmptyValue;
}
else
{
charValue = Constants.StandardGameCellWallValue;
}
this.playField[row, col] = new Cell(new Position(row, col), charValue);
}
}
this.playField[this.playerPosition.Row, this.playerPosition.Column].ValueChar = Constants.StandardGamePlayerChar;
bool exitPathExists = this.ExitPathExists();
if (!exitPathExists)
{
return this.GeneratePlayField(rand);
}
else
{
return this.playField;
}
}
/// <summary>
/// Method that generates the playfield
/// </summary>
/// <param name="rand">Parameter of type IRandomNumberGenerator</param>
/// <returns>Returns the playfield as a two dimensional array</returns>
public ICell[,] GeneratePlayField(IRandomNumberGenerator rand)
{
for (int row = 0; row < this.rows; row++)
{
for (int col = 0; col < this.cols; col++)
{
int cellRandomValue = rand.GenerateNext(0, 1);
char charValue;
if (cellRandomValue == 0)
{
charValue = Constants.StandardGameCellEmptyValue;
}
else
{
charValue = Constants.StandardGameCellWallValue;
}
this.playField[row, col] = new Cell(new Position(row, col), charValue);
}
}
this.playField[this.playerPosition.Row, this.playerPosition.Column].ValueChar = Constants.StandardGamePlayerChar;
bool exitPathExists = this.ExitPathExists();
if (!exitPathExists)
{
return(this.GeneratePlayField(rand));
}
else
{
return(this.playField);
}
}
public void TestRandNumberGeneratorShouldAlwaysReturnRandomNumbers()
{
var hashSet = new HashSet <int>();
IRandomNumberGenerator numberGenerator = RandomNumberGenerator.Instance;
for (int i = 0; i < 10000; i++)
{
hashSet.Add(numberGenerator.GenerateNext(1, 10));
}
Assert.AreEqual(10, hashSet.Count);
}
public void TestRandNumberGeneratorNotProduceNumberGreaterThanMaxValue()
{
IRandomNumberGenerator numberGenerator = RandomNumberGenerator.Instance;
int max = 10;
int generated;
for (int i = 0; i < 10000; i++)
{
generated = numberGenerator.GenerateNext(1, 10);
if (generated > max)
{
max = generated;
}
}
Assert.AreEqual(10, max);
}
public void TestGenerateNextShouldNoProduceNumberLessThanMinValue()
{
IRandomNumberGenerator numberGenerator = RandomNumberGenerator.Instance;
int min = 1;
int generatedNumber;
for (int i = 0; i < 10000; i++)
{
generatedNumber = numberGenerator.GenerateNext(1, 10);
if (generatedNumber < min)
{
min = generatedNumber;
}
}
Assert.AreEqual(1, min);
}