public void GetThreatsFuzzTest()
{
Random random = new Random(0);
const int gameLimit = 200;
for (int game = 1; game < gameLimit; game++)
{
Grid_Accessor grid = new Grid_Accessor(new PrivateObject(new Grid(7, 6, 0)));
// Play a full random, game, and verify threats after each move.
for (int i = 0; i < 7 * 6 && grid.IsGameOver() == -1; i++)
{
ValidateThreats(grid, 0);
ValidateThreats(grid, 1);
int move;
do
{
move = random.Next(grid.Width);
} while (!grid.IsValidMove(move));
int player = i & 1;
grid.Move(move, player);
}
}
}
public void IsNewColumnNeededAtLeftTest1()
{
Grid_Accessor target = new Grid_Accessor(); // TODO: Initialize to an appropriate value
target.LoadPattern("- X -\nX - X\n- X -");
bool expected = false; // TODO: Initialize to an appropriate value
bool actual;
actual = target.IsNewColumnNeededAtLeft();
Assert.AreEqual(expected, actual);
}
public void GetThreatsFindsSimpleHorizontalThreat()
{
Grid_Accessor grid = new Grid_Accessor(new PrivateObject(new Grid(7, 6, 0)));
grid.Move(1, 0);
grid.Move(1, 1);
grid.Move(2, 0);
grid.Move(2, 1);
grid.Move(3, 0);
grid.Move(3, 1);
ValidateThreats(grid, 0);
ValidateThreats(grid, 1);
}
public void GetNeighboursCountTest()
{
bool[,] testVals = {{true, true, true, false, false, false},
{true, true, true, false, false, true},
{true, true, true, false, false, false}};
Grid_Accessor target = new Grid_Accessor(testVals); // TODO: Initialize to an appropriate value
Assert.AreEqual(3, target.GetNeighboursCount(0, 0));
Assert.AreEqual(5, target.GetNeighboursCount(0, 1));
Assert.AreEqual(3, target.GetNeighboursCount(0, 2));
Assert.AreEqual(5, target.GetNeighboursCount(1, 0));
Assert.AreEqual(8, target.GetNeighboursCount(1, 1));
Assert.AreEqual(5, target.GetNeighboursCount(1, 2));
Assert.AreEqual(2, target.GetNeighboursCount(3, 0));
Assert.AreEqual(1, target.GetNeighboursCount(5, 0));
}
private void ValidateThreats(Grid_Accessor grid, int player)
{
ulong threats = grid.GetThreats(player);
for (int i = 0; i < (grid.Height + 1) * grid.Width; i++)
{
ulong mask = 1UL << i;
bool isThreat = (threats & mask) == mask;
bool isInBuffer = ((i + 1) % (grid.Height + 1)) == 0;
if (isThreat)
{
Assert.AreEqual(0UL, grid.playerPositions[0] & mask,
"Player cannot have a threat in a nonempty location");
Assert.AreEqual(0UL, grid.playerPositions[1] & mask,
"Player cannot have a threat in a nonempty location");
Assert.IsTrue(!isInBuffer,
"Cannot have a threat in the column buffer");
}
if (!isInBuffer)
{
ulong originalPosition = grid.playerPositions[player];
grid.playerPositions[player] |= mask & ~grid.playerPositions[1 - player];
Assert.AreEqual(isThreat, grid.IsGameOver(player));
grid.playerPositions[player] = originalPosition;
}
}
Assert.AreEqual(0UL, threats >> ((grid.Height + 1) * grid.Width),
"Threats must be on the board");
}
public void GetThreatsReturns0OnEmptyBoard()
{
Grid_Accessor grid = new Grid_Accessor(new PrivateObject(new Grid(7, 6, 0)));
ValidateThreats(grid, 0);
ValidateThreats(grid, 1);
}
public void GetThreatsIgnoresBlockedHorizontalThreats()
{
Grid_Accessor grid = new Grid_Accessor(new PrivateObject(new Grid(7, 6, 0)));
grid.Move(1, 0);
grid.Move(1, 1);
grid.Move(2, 0);
grid.Move(2, 1);
grid.Move(3, 0);
grid.Move(3, 1);
grid.Move(6, 0);
grid.Move(0, 1);
grid.Move(0, 0);
ValidateThreats(grid, 0);
ValidateThreats(grid, 1);
}
public void GetThreatsIgnoresBlockedByEdge()
{
Grid_Accessor grid = new Grid_Accessor(new PrivateObject(new Grid(7, 6, 0)));
grid.Move(6, 0);
grid.Move(6, 1);
grid.Move(5, 0);
grid.Move(5, 1);
grid.Move(4, 0);
grid.Move(4, 1);
ValidateThreats(grid, 0);
ValidateThreats(grid, 1);
}
public void IsNewColumnNeededAtRightTest()
{
Grid_Accessor target = new Grid_Accessor(); // TODO: Initialize to an appropriate value
target.LoadPattern("X X X\nX X X\nX X X");
bool expected = true; // TODO: Initialize to an appropriate value
bool actual;
actual = target.IsNewColumnNeededAtRight();
Assert.AreEqual(expected, actual);
}
static void GetNewGrid(out int width, out int height, out Grid_Accessor target, out bool[,] cellsCopy)
{
Random random = new Random();
width = random.Next(2, 100);
height = random.Next(2, 100);
target = new Grid_Accessor(width, height);
for (int i = 0; i < width; ++i)
{
for (int j = 0; j < height; ++j)
{
target.Cells[j, i] = ((random.Next(0, 2)) == 1);
}
}
cellsCopy = new bool[height, width];
Array.Copy(target.Cells, cellsCopy, target.Cells.Length);
}