private void TestGameInternal(string moveSource, bool sourceUsesCheckInsteadOfCheckmate = false)
{
var moves = moveSource.Split('.').ToArray();
var board = TestBoard.PopulatedDefault();
int turn = 0;
while (!board.CheckForEndOfGame())
{
Assert.IsTrue(turn < moves.Length, "game is still going despite there being no more moves");
var move = moves[turn];
Assert.IsTrue(board.TryPerformAlgebraicChessNotationMove(move), $"move failed to execute [{turn}: {move}]");
turn += 1;
}
string LastMove = moves[turn - 1];
if (!(LastMove.EndsWith('#') || sourceUsesCheckInsteadOfCheckmate && LastMove.EndsWith('+')))
{
Assert.IsTrue(turn == moves.Length, $"game ended prematurely [{turn} / {moves.Length}]");
}
}