public override void TestAI(SearchContext <object, TicTacToeState, TicTacToeMove, object, TicTacToeMove> context)
{
// Test if the technique can find the winning move.
var source = new TicTacToeState("X-O-XO---");
context.Reset();
context.Source = source.Copy();
var result = PlayGame(context);
Assert.IsTrue(result.PlayerWon == 0);
// Test if the technique can avoid a loss.
source = new TicTacToeState("--X-OX---");
source.EndTurn();
context.Reset();
context.Source = source.Copy();
result = PlayGame(context);
Assert.IsTrue(result.PlayerWon == -1);
// On an empty board the game should be a draw.
// (first player should play corner/middle position and second player should force the draw by playing the other)
source = new TicTacToeState();
context.Reset();
context.Source = source.Copy();
result = PlayGame(context);
Assert.IsTrue(result.PlayerWon == -1);
// If the first player plays the middle position, the game is a draw.
// (second player should play a corner position)
source = new TicTacToeState("----X----");
source.EndTurn();
context.Reset();
context.Source = source.Copy();
result = PlayGame(context);
Assert.IsTrue(result.PlayerWon == -1);
// If the first player plays an edge position, the game is a draw.
// (second player should play the middle position)
source = new TicTacToeState("---X-----");
source.EndTurn();
context.Reset();
context.Source = source.Copy();
result = PlayGame(context);
Assert.IsTrue(result.PlayerWon == -1);
}
