public void TestInitialize_InvalidState_ThrowsException(FieldState state)
{
var field = new FakeField(1, 1, 1);
field.SetState(state);
Assert.Throws <InvalidOperationException>(() => field.Initialize());
}
public void TestMarkCell_CellsOfField2x2Revealed_CellStateNotChanged()
{
var field = new FakeField(2, 2, 1);
field.Initialize();
field.RevealCell(0, 0);
field.SetState(FieldState.SomeCellsMarkedOrRevealed);
var previousState = field[0, 0].State;
field.MarkCell(0, 0);
Assert.AreEqual(previousState, field[0, 0].State);
}