public void SpawnSquares_WhenNoEmptySpace_Throws()
{
//arrange
var container = Substitute.For <IBoardContainer>();
container.Height.Returns(3);
container.Width.Returns(3);
container.Squares.Returns(new ObservableCollection <SquareViewModel>()
{
new SquareViewModel {
X = 0, Y = 0
},
new SquareViewModel {
X = 1, Y = 0
},
new SquareViewModel {
X = 2, Y = 0
},
new SquareViewModel {
X = 0, Y = 1
},
new SquareViewModel {
X = 1, Y = 1
},
new SquareViewModel {
X = 2, Y = 1
},
new SquareViewModel {
X = 0, Y = 2
},
new SquareViewModel {
X = 1, Y = 2
},
new SquareViewModel {
X = 2, Y = 2
}
});
var sut = new SquareSpawner(container);
//act
//assert
Assert.Throws <BoardOutOfSpaceException>(() =>
{
sut.SpawnSquares(1);
});
}
public void SpawnSquares_When2PlacesRemainingAnd2SquaresAreToBeSpawned_FillsWholeBoard()
{
//arrange
var container = Substitute.For <IBoardContainer>();
container.Height.Returns(3);
container.Width.Returns(3);
container.Squares.Returns(new ObservableCollection <SquareViewModel>()
{
new SquareViewModel {
X = 0, Y = 0
},
new SquareViewModel {
X = 1, Y = 0
},
new SquareViewModel {
X = 2, Y = 0
},
new SquareViewModel {
X = 0, Y = 1
},
new SquareViewModel {
X = 1, Y = 1
},
new SquareViewModel {
X = 2, Y = 1
},
new SquareViewModel {
X = 0, Y = 2
},
});
var sut = new SquareSpawner(container);
//act
sut.SpawnSquares(2);
//assert
Assert.That(container.Squares.Count == container.Height * container.Width);
}