static void Main(string[] args)
{
Console.WriteLine("Welcome to the \"Battle Field\" game.");
ConsoleBattleField game = new ConsoleBattleField();
int fieldSize = TryGetInputFieldSizeUntilValid(game);
game.InitializeGameField(fieldSize);
game.GenerateMines();
while (true)
{
Console.WriteLine(String.Empty + game.GetBattleFieldAsString());
int mineRow, mineCol;
TryGetInputMineCoordinatesUntilValid(game, out mineRow, out mineCol);
game.DetonateMine(mineRow, mineCol);
if (game.MineCount == 0)
{
Console.WriteLine(game.GetBattleFieldAsString());
Console.WriteLine("{0}Game over! {0}Detonated mines: {1}",
Environment.NewLine, game.DetonatedMinesCount);
break;
}
}
}
/// <summary>
/// Prints "Invalid move!" every time invalid coordinates for a mine on
/// the field are inputted. Outputs the coordinates to mineRow, mineCol.
/// </summary>
private static void TryGetInputMineCoordinatesUntilValid(
ConsoleBattleField game, out int mineRow, out int mineCol)
{
mineRow = -1;
mineCol = -1;
bool validInput = game.TryGetInputCoordinates(out mineRow, out mineCol);
while (mineRow == -1 || !validInput || !game.CellIsMine(mineRow, mineCol))
{
Console.WriteLine("Invalid input!");
validInput = game.TryGetInputCoordinates(out mineRow, out mineCol);
}
}
private static int TryGetInputFieldSizeUntilValid(ConsoleBattleField game)
{
int fieldSize = -1;
bool validSize = false;
while (!validSize)
{
Console.Write("Enter the size of the battle field: [{0}..{1}]: ",
game.MinFieldSize, game.MaxFieldSize);
validSize = game.TryGetInputFieldSize(out fieldSize);
}
Console.WriteLine();
return fieldSize;
}
public void TestCellIsDetonated_WithNoDetonatedCells()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
testGame.GenerateMines();
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 10; col++)
{
if (testGame.CellIsMine(row, col) || testGame.CellIsEmpty(row, col))
{
Assert.IsFalse(testGame.CellIsDetonated(row, col));
}
}
}
}
public void TestCellIsEmpty_WithNoEmptyCells()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
var fieldCopy = testGame.GameFieldCopy;
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 10; col++)
{
if (FieldCell.EmptyCell != fieldCopy[row, col])
{
Assert.IsFalse(testGame.CellIsEmpty(row, col));
}
}
}
}
public void TestGetInputFieldSize_OutOfRangeSize()
{
ConsoleBattleField testGame = new ConsoleBattleField();
using (var reader = new StringReader("125"))
{
Console.SetIn(reader);
int fieldSize;
bool validFieldSize = testGame.TryGetInputFieldSize(out fieldSize);
Assert.IsFalse(validFieldSize);
}
}
public void TestCellIsMine_WithMines()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
testGame.GenerateMines();
var fieldCopy = testGame.GameFieldCopy;
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 10; col++)
{
if (fieldCopy[row, col] == FieldCell.Mine1 ||
fieldCopy[row, col] == FieldCell.Mine2 ||
fieldCopy[row, col] == FieldCell.Mine3 ||
fieldCopy[row, col] == FieldCell.Mine4 ||
fieldCopy[row, col] == FieldCell.Mine5)
{
Assert.IsTrue(testGame.CellIsMine(row, col));
}
}
}
}
public void TestTryGetInputCoordinates_ValidCoordinates()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(5);
int mineRow = 2,
mineCol = 2;
using (var reader = new StringReader(String.Format("{0} {1}", mineRow, mineCol)))
{
Console.SetIn(reader);
var validCoords = testGame.TryGetInputCoordinates(out mineRow, out mineCol);
Assert.IsTrue(validCoords);
}
}
public void TestTryGetInputCoordinates_GibberishCoords()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(5);
int mineRow = -1,
mineCol = -1;
using (var reader = new StringReader("3 dsafgf"))
{
Console.SetIn(reader);
var validCoords = testGame.TryGetInputCoordinates(out mineRow, out mineCol);
Assert.IsFalse(validCoords);
}
}
public void TestMineCount()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
testGame.GenerateMines();
int expectedCountMines = 0;
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 10; col++)
{
if (testGame.CellIsMine(row, col))
{
expectedCountMines++;
}
}
}
Assert.AreEqual(expectedCountMines, testGame.MineCount);
}
public void TestInitializeGameField_WithTenCells()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
FieldCell cell = FieldCell.EmptyCell;
FieldCell[,] expectedGameField =
{
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell },
{ cell, cell, cell, cell, cell, cell, cell, cell, cell, cell }
};
CollectionAssert.AreEqual(expectedGameField, testGame.GameFieldCopy);
}
public void TestDetonateMine_WithNoMine()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
testGame.GenerateMines();
var fieldCopy = testGame.GameFieldCopy;
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 10; col++)
{
if (!testGame.CellIsMine(row, col))
{
testGame.DetonateMine(row, col);
}
}
}
}
public void TestGenerateMines_CountCorrectnessInFieldLengthOfSix()
{
for (int i = 0; i < 20; i++)
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(6);
testGame.GenerateMines();
int expectedMinCountMines = 5;
int expectedMaxCountMines = 11;
int minesCount = 0;
for (int row = 0; row < 6; row++)
{
for (int col = 0; col < 6; col++)
{
if (testGame.CellIsMine(row, col))
{
minesCount++;
}
}
}
Assert.IsTrue(expectedMinCountMines <= minesCount &&
minesCount <= expectedMaxCountMines);
}
}
public void TestGetInputFieldSize_GibberishSize()
{
ConsoleBattleField testGame = new ConsoleBattleField();
using (var reader = new StringReader("4fsjdasdi"))
{
Console.SetIn(reader);
int fieldSize;
bool validFieldSize = testGame.TryGetInputFieldSize(out fieldSize);
Assert.IsFalse(validFieldSize);
}
}
public void TestGetInputFieldSize_AcceptableSize()
{
ConsoleBattleField testGame = new ConsoleBattleField();
int validSize = 6;
using (var reader = new StringReader(validSize.ToString()))
{
Console.SetIn(reader);
int fieldSize;
bool validFieldSize = testGame.TryGetInputFieldSize(out fieldSize);
Assert.IsTrue(validFieldSize);
}
}
public void TestGetBattleFieldAsString()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
StringBuilder expectedPrintedField = new StringBuilder();
expectedPrintedField.AppendLine(" 0 1 2 3 4 5 6 7 8 9 ");
expectedPrintedField.AppendLine(" ----------------------------");
expectedPrintedField.AppendLine("0| - - - - - - - - - - ");
expectedPrintedField.AppendLine("1| - - - - - - - - - - ");
expectedPrintedField.AppendLine("2| - - - - - - - - - - ");
expectedPrintedField.AppendLine("3| - - - - - - - - - - ");
expectedPrintedField.AppendLine("4| - - - - - - - - - - ");
expectedPrintedField.AppendLine("5| - - - - - - - - - - ");
expectedPrintedField.AppendLine("6| - - - - - - - - - - ");
expectedPrintedField.AppendLine("7| - - - - - - - - - - ");
expectedPrintedField.AppendLine("8| - - - - - - - - - - ");
expectedPrintedField.AppendLine("9| - - - - - - - - - - ");
Assert.AreEqual(expectedPrintedField.ToString(),
testGame.GetBattleFieldAsString());
}
public void TestGenerateMines_CountCorrectnessInTenCellField()
{
for (int i = 0; i < 20; i++)
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
testGame.GenerateMines();
int expectedMinCountMines = 15; // >= 15% of the field
int expectedMaxCountMines = 30; // <= 30% of the field
int minesCount = 0;
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 10; col++)
{
if (testGame.CellIsMine(row, col))
{
minesCount++;
}
}
}
Assert.IsTrue(expectedMinCountMines <= minesCount &&
minesCount <= expectedMaxCountMines);
}
}
public void TestGenerateMines_CountCorrectnessInFourCellField()
{
for (int i = 0; i < 20; i++)
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(2);
testGame.GenerateMines();
int expectedMinesCount = 1; // the only possible number of mines in 2x2 field
// for the default 15%-30% of all field blocks
int minesCount = 0;
for (int row = 0; row < 2; row++)
{
for (int col = 0; col < 2; col++)
{
if (testGame.CellIsMine(row, col))
{
minesCount++;
}
}
}
Assert.IsTrue(expectedMinesCount == minesCount);
}
}
public void TestInitializeGameFieldWithOneCell()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(1);
FieldCell[,] expectedGameField = { { FieldCell.EmptyCell } };
CollectionAssert.AreEqual(expectedGameField, testGame.GameFieldCopy);
}
public void TestDetonateMine_WithMine1()
{
ConsoleBattleField testGame = new ConsoleBattleField();
testGame.InitializeGameField(10);
testGame.GenerateMines();
var fieldCopy = testGame.GameFieldCopy;
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 10; col++)
{
if (FieldCell.Mine1 == fieldCopy[row, col])
{
testGame.DetonateMine(row, col);
Assert.IsTrue(testGame.CellIsDetonated(row, col));
if (row > 0 && col > 0)
{
Assert.IsTrue(testGame.CellIsDetonated(row - 1, col - 1));
}
if (row < 9 && col < 9)
{
Assert.IsTrue(testGame.CellIsDetonated(row + 1, col + 1));
}
if (row > 0 && col < 9)
{
Assert.IsTrue(testGame.CellIsDetonated(row - 1, col + 1));
}
if (row < 9 && col > 0)
{
Assert.IsTrue(testGame.CellIsDetonated(row + 1, col - 1));
}
return;
}
}
}
}
