public void OneMineMinefield_PropagationShouldUncoverAllButOne()
{
//Arrange
IBooleansGenerator booleansGenerator = Substitute.For <IBooleansGenerator>();
booleansGenerator.GenerateBooleans(Arg.Any <int>(), Arg.Any <int>())
.Returns(x =>
{
var r = new bool[(int)x[0]];
r[0] = true; //Only the first item will be set to true.
return(r);
});
int horizontalTilesCount = 5;
int verticalTilesCount = 5;
IMinefieldFactory factory = new MinefieldFactory(booleansGenerator);
var minefield = factory.CreateNew(horizontalTilesCount, verticalTilesCount, 1);
var someTile = minefield.Tiles[3][3];
//Act
minefield.TilesCovered.ShouldBe(horizontalTilesCount * verticalTilesCount);
someTile.UncoverTile();
//Assert
minefield.TilesCovered.ShouldBe(1);
}
public void CreateNew_ShouldThrowArgumentException_WhenMoreMinesThanTiles(int rows, int columns, int bombsCount)
{
IBooleansGenerator booleansGenerator = new RandomBooleansGenerator();
IMinefieldFactory factory = new MinefieldFactory(booleansGenerator);
Should.Throw <ArgumentException>(() => factory.CreateNew(rows, columns, bombsCount));
}
public void CreateNew_ShouldReturn_ValidMinefield(int rows, int columns, int bombsCount)
{
IBooleansGenerator booleansGenerator = new RandomBooleansGenerator();
IMinefieldFactory factory = new MinefieldFactory(booleansGenerator);
var result = factory.CreateNew(rows, columns, bombsCount);
result.Tiles.SelectMany(t => t).Count().ShouldBe(rows * columns);
result.BombsInMinefiled.ShouldBe(bombsCount);
result.Tiles.SelectMany(t => t).All(t => t.Neighbours.Count() >= 3 && t.Neighbours.Count() <= 8).ShouldBeTrue();
}
public void ToggleFlag_ShouldToggle()
{
IBooleansGenerator booleansGenerator = new RandomBooleansGenerator();
IMinefieldFactory factory = new MinefieldFactory(booleansGenerator);
var minefield = factory.CreateNew(5, 5, 10);
var firstTile = minefield.Tiles[0][0];
firstTile.State.ShouldBe(Tile.TileState.Covered);
firstTile.ToggleFlag();
firstTile.State.ShouldBe(Tile.TileState.Flagged);
firstTile.ToggleFlag();
firstTile.State.ShouldBe(Tile.TileState.Covered);
}