Refactoring in progress.

Player and Action classes are now singletons (factory pattern) rather than String values.
Implementing more general treesearch code for minimax, alpha-beta, monte carlo using simplified backup logic.

test/net/woodyfolsom/msproj/policy/MonteCarloUCTTest.java

@@ -0,0 +1,53 @@
+package net.woodyfolsom.msproj.policy;
+
+import static org.junit.Assert.assertEquals;
+
+import net.woodyfolsom.msproj.Action;
+import net.woodyfolsom.msproj.GameConfig;
+import net.woodyfolsom.msproj.GameState;
+import net.woodyfolsom.msproj.Player;
+import net.woodyfolsom.msproj.policy.Policy;
+
+import org.junit.Test;
+
+public class MonteCarloUCTTest {
+	@Test
+	public void testGenmoveAsW() {
+		Policy treeSearch = new MonteCarloUCT(new RandomMovePolicy(),2000L);
+		GameState gameState = new GameState(6);
+		gameState.playStone(Player.WHITE, Action.getInstance("A2"));
+		gameState.playStone(Player.WHITE, Action.getInstance("B1"));
+		gameState.playStone(Player.WHITE, Action.getInstance("C2"));
+		gameState.playStone(Player.BLACK, Action.getInstance("B2"));
+
+		Action move = treeSearch.getAction(new GameConfig(), gameState, Player.WHITE);
+		
+		System.out.println(gameState);
+
+		System.out.println("Generated move: " + move);
+		assertEquals("Expected B3 but was: " + move, "B3", move);
+		gameState.playStone(Player.WHITE, move);
+
+		System.out.println(gameState);
+	}
+
+	@Test
+	public void testGenmoveAsB() {
+		Policy treeSearch = new MonteCarloUCT(new RandomMovePolicy(),2000L);
+		GameState gameState = new GameState(6);
+		gameState.playStone(Player.BLACK, Action.getInstance("A2"));
+		gameState.playStone(Player.BLACK, Action.getInstance("B1"));
+		gameState.playStone(Player.BLACK, Action.getInstance("C2"));
+		gameState.playStone(Player.WHITE, Action.getInstance("B2"));
+
+		Action move = treeSearch.getAction(new GameConfig(), gameState, Player.BLACK);
+		
+		System.out.println(gameState);
+
+		System.out.println("Generated move: " + move);
+		assertEquals("Expected B3 but was: " + move, "B3", move);
+		gameState.playStone(Player.BLACK, move);
+
+		System.out.println(gameState);
+	}
+}