public void ShouldThrowExceptionIfCannotDetermineAPlay()
{
var agent = new ExpectMaxAgent(1, new WorstCaseNumberOfPlaysToGo());
var state = TestUtilities.GenerateTestState(0, 0, 0, 0);
Assert.ThrowsException <NoMoveFoundException>(() => agent.FormulatePlay(state));
}
public void ShouldReturnCheapestPlayWithDepthZero()
{
var heuristic = new WorstCaseNumberOfPlaysToGo();
var agent = new ExpectMaxAgent(0, heuristic);
var state = TestUtilities.GenerateTestState();
var root = new RootNode(state);
var expectedCheapestCost = root.Expand().Select(child => heuristic.Evaluate(child.State)).Min();
var play = agent.FormulatePlay(state);
var cheapestState = state.Successor(play);
var observedCheapestCost = heuristic.Evaluate(cheapestState);
Assert.AreEqual(expectedCheapestCost, observedCheapestCost);
}