public void SetRandomCells_EmptyRGBGrid_GridHasSomeCellsInEachState()
{
var grid = new RGBGrid(100, false);
int redCellsBefore = GridTestHelper.GetStateCount(grid, State.RED);
int greenCellsBefore = GridTestHelper.GetStateCount(grid, State.GREEN);
int blueCellsBefore = GridTestHelper.GetStateCount(grid, State.BLUE);
int deadCellsBefore = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(redCellsBefore, 0);
Assert.AreEqual(greenCellsBefore, 0);
Assert.AreEqual(blueCellsBefore, 0);
Assert.AreEqual(deadCellsBefore, 10000);
grid.SetRandomInitialCells();
int redCellsAfter = GridTestHelper.GetStateCount(grid, State.RED);
int greenCellsAfter = GridTestHelper.GetStateCount(grid, State.GREEN);
int blueCellsAfter = GridTestHelper.GetStateCount(grid, State.BLUE);
int deadCellsAfter = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.IsTrue(redCellsAfter > 0);
Assert.IsTrue(greenCellsAfter > 0);
Assert.IsTrue(blueCellsAfter > 0);
Assert.IsTrue(deadCellsAfter > 0);
}
public void Clear_RGBGridWithLiveCells_AllCellsBecomeDead()
{
var grid = new RGBGrid(4, false);
var coords = new Dictionary <Point, State>
{
{ new Point {
X = 1, Y = 1
}, State.RED },
{ new Point {
X = 1, Y = 2
}, State.GREEN },
{ new Point {
X = 3, Y = 3
}, State.BLUE }
};
grid.SetInitialCells(coords);
int deadCellsBefore = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(deadCellsBefore, 13);
grid.Clear();
var deadCellsAfter = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(deadCellsAfter, grid.Data.Length);
}
public void RGBGrid_NewCyclicRGBGrid_InitializesCellsAsDead()
{
var grid = new RGBGrid(4, true);
int deadCells = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(deadCells, grid.Data.Length);
}
public void SetInitialCells_EmptyRGBGrid_OnlyChosenCellsStateChanged()
{
var grid = new RGBGrid(4, false);
int deadCellsBefore = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(deadCellsBefore, grid.Data.Length);
// set chosen cells
var coords = new Dictionary <Point, State>
{
{ new Point {
X = 1, Y = 1
}, State.RED },
{ new Point {
X = 1, Y = 2
}, State.GREEN },
{ new Point {
X = 1, Y = 3
}, State.BLUE },
};
grid.SetInitialCells(coords);
int redCellsAfter = GridTestHelper.GetStateCount(grid, State.RED);
int greenCellsAfter = GridTestHelper.GetStateCount(grid, State.GREEN);
int blueCellsAfter = GridTestHelper.GetStateCount(grid, State.BLUE);
int deadCellsAfter = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(redCellsAfter, 1);
Assert.AreEqual(greenCellsAfter, 1);
Assert.AreEqual(blueCellsAfter, 1);
Assert.AreEqual(deadCellsAfter, 13);
}
public void Cycle_ScatteredLoneCells_AllCellsDie()
{
var grid = new Grid(10);
var coords = new Dictionary <Point, State>
{
{ new Point {
X = 9, Y = 8
}, State.ALIVE },
{ new Point {
X = 1, Y = 2
}, State.ALIVE },
{ new Point {
X = 5, Y = 4
}, State.ALIVE },
{ new Point {
X = 7, Y = 1
}, State.ALIVE }
};
grid.SetInitialCells(coords);
grid.Cycle();
Assert.AreEqual(GridTestHelper.GetStateCount(grid, State.ALIVE), 0);
Assert.AreEqual(GridTestHelper.GetStateCount(grid, State.DEAD), 100);
}
public void Cycle_4CellBlock_RemainsStable4CellBlock()
{
var grid = new Grid(10);
var coords = new Dictionary <Point, State>
{
{ new Point {
X = 4, Y = 4
}, State.ALIVE },
{ new Point {
X = 4, Y = 5
}, State.ALIVE },
{ new Point {
X = 5, Y = 4
}, State.ALIVE },
{ new Point {
X = 5, Y = 5
}, State.ALIVE }
};
grid.SetInitialCells(coords);
grid.Cycle();
// check block remains live, and no other cells become live
var expectedLiveCellsBlock = new List <Cell> {
grid.Data[4, 4], grid.Data[4, 5], grid.Data[5, 4], grid.Data[5, 5]
};
var numLiveCellsInBlock = expectedLiveCellsBlock.Where(cell => cell.CurrentState == State.ALIVE).Count();
Assert.IsTrue(numLiveCellsInBlock == 4);
Assert.AreEqual(GridTestHelper.GetStateCount(grid, State.ALIVE), 4);
Assert.AreEqual(GridTestHelper.GetStateCount(grid, State.DEAD), 96);
}
public void Cycle_3CellRow_Becomes3CellColumn()
{
var grid = new Grid(10);
var coords = new Dictionary <Point, State>
{
{ new Point {
X = 4, Y = 5
}, State.ALIVE },
{ new Point {
X = 5, Y = 5
}, State.ALIVE },
{ new Point {
X = 6, Y = 5
}, State.ALIVE }
};
grid.SetInitialCells(coords);
grid.Cycle();
/* check grid evolves from a 3-cell live row to a 3-cell live column,
* and that no other cells become live */
var expectedLiveCellsRow = new List <Cell> {
grid.Data[4, 5], grid.Data[5, 5], grid.Data[6, 5]
};
var numLiveCellsInRow = expectedLiveCellsRow.Where(cell => cell.CurrentState == State.ALIVE).Count();
Assert.IsTrue(numLiveCellsInRow == 3);
Assert.AreEqual(GridTestHelper.GetStateCount(grid, State.ALIVE), 3);
Assert.AreEqual(GridTestHelper.GetStateCount(grid, State.DEAD), 97);
}
public void SetInitialCells_EmptyGrid_OnlyChosenCellsStateChanged()
{
var grid = new Grid(4);
int liveCellsBefore = GridTestHelper.GetStateCount(grid, State.ALIVE);
int deadCellsBefore = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(liveCellsBefore, 0);
Assert.AreEqual(deadCellsBefore, 16);
// set chosen cells
var coords = new Dictionary <Point, State>
{
{ new Point {
X = 1, Y = 1
}, State.ALIVE },
{ new Point {
X = 1, Y = 2
}, State.ALIVE }
};
grid.SetInitialCells(coords);
int liveCellsAfter = GridTestHelper.GetStateCount(grid, State.ALIVE);
int deadCellsAfter = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(liveCellsAfter, 2);
Assert.AreEqual(deadCellsAfter, 14);
}
public void Cycle_3BlueCyclicRGBCells_AllCellsEventuallyBecomeBlue()
{
var grid = new RGBGrid(10, true);
GridTestHelper.make3CellColumn(grid, State.BLUE, new Point {
X = 5, Y = 5
});
GridTestHelper.PerformGridCycles(grid, 100);
var blueCells = GridTestHelper.GetStateCount(grid, State.BLUE);
Assert.AreEqual(blueCells, grid.Data.Length);
}
public void Cycle_3GreenRGBCells_AllCellsEventuallyBecomeGreen()
{
var grid = new RGBGrid(10, false);
GridTestHelper.make3CellColumn(grid, State.GREEN, new Point {
X = 5, Y = 5
});
GridTestHelper.PerformGridCycles(grid, 100);
var greenCells = GridTestHelper.GetStateCount(grid, State.GREEN);
Assert.AreEqual(greenCells, grid.Data.Length);
}
public void Cycle_3Red3GreenCyclicRGBCells_AllCellsEventuallyBecomeRed()
{
var grid = new RGBGrid(10, true);
GridTestHelper.make3CellColumn(grid, State.RED, new Point {
X = 5, Y = 5
});
GridTestHelper.make3CellColumn(grid, State.GREEN, new Point {
X = 6, Y = 5
});
GridTestHelper.PerformGridCycles(grid, 100);
var redCells = GridTestHelper.GetStateCount(grid, State.RED);
Assert.AreEqual(redCells, grid.Data.Length);
}
public void SetRandomCells_EmptyGrid_GridHasLiveAndDeadCells()
{
var grid = new Grid(50);
var liveCellsBefore = GridTestHelper.GetStateCount(grid, State.ALIVE);
var deadCellsBefore = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.AreEqual(liveCellsBefore, 0);
Assert.AreEqual(deadCellsBefore, 2500);
grid.SetRandomInitialCells();
var liveCellsAfter = GridTestHelper.GetStateCount(grid, State.ALIVE);
var deadCellsAfter = GridTestHelper.GetStateCount(grid, State.DEAD);
Assert.IsTrue(liveCellsAfter > 0);
Assert.IsTrue(deadCellsAfter > 0);
}
public void Cycle_3Red3Green3BlueCyclicRGBCells_AllCellsEventuallyBecomeRed()
{
var grid = new RGBGrid(10, true);
GridTestHelper.make3CellColumn(grid, State.RED, new Point {
X = 0, Y = 5
}); // left edge
GridTestHelper.make3CellColumn(grid, State.GREEN, new Point {
X = 5, Y = 5
}); // central
GridTestHelper.make3CellColumn(grid, State.BLUE, new Point {
X = 9, Y = 5
}); // right edge
GridTestHelper.PerformGridCycles(grid, 100);
/* Since Red eats Green eats Blue, Red should finally dominate:
* - Green eats 'rightwards', and eats all the Blue
* - Red eats 'rightwards' at the same rate, finally eating all the Green. */
var redCells = GridTestHelper.GetStateCount(grid, State.RED);
Assert.AreEqual(redCells, grid.Data.Length);
}