111 lines
4.5 KiB
Java
111 lines
4.5 KiB
Java
package net.woodyfolsom.msproj.policy;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import java.util.ArrayList;
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import java.util.List;
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import net.woodyfolsom.msproj.Action;
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import net.woodyfolsom.msproj.GameConfig;
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import net.woodyfolsom.msproj.GameState;
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import net.woodyfolsom.msproj.Player;
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import org.junit.Test;
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public class RandomTest {
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@Test(expected = IllegalArgumentException.class)
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public void testGenmoveForNone() {
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Policy moveGenerator = new RandomMovePolicy();
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GameState gameState = new GameState(5);
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moveGenerator.getAction(new GameConfig(), gameState, Player.BLACK);
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gameState = new GameState(5);
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moveGenerator.getAction(new GameConfig(), gameState, Player.WHITE);
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assertEquals(Action.PASS, moveGenerator.getAction(new GameConfig(), gameState, Player.NONE));
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}
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@Test
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public void testAlternativeToIllegalMove() {
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GameState gameState = new GameState(4);
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gameState.playStone(Player.BLACK, Action.getInstance("A1"));
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gameState.playStone(Player.BLACK, Action.getInstance("A2"));
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gameState.playStone(Player.BLACK, Action.getInstance("A3"));
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gameState.playStone(Player.BLACK, Action.getInstance("A4"));
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gameState.playStone(Player.BLACK, Action.getInstance("B1"));;
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gameState.playStone(Player.BLACK, Action.getInstance("B2"));
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gameState.playStone(Player.BLACK, Action.getInstance("B4"));
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gameState.playStone(Player.BLACK, Action.getInstance("C2"));
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gameState.playStone(Player.BLACK, Action.getInstance("C3"));
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gameState.playStone(Player.BLACK, Action.getInstance("C4"));
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gameState.playStone(Player.BLACK, Action.getInstance("D4"));
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gameState.playStone(Player.WHITE, Action.getInstance("C1"));
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gameState.playStone(Player.WHITE, Action.getInstance("D2"));
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gameState.playStone(Player.WHITE, Action.getInstance("D3"));
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System.out.println("State before random WHITE move selection:");
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System.out.println(gameState);
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//This is correct - checked vs. MFOG
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//PASS would otherwise be a valid move
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List<Action> prohibitedMoves = new ArrayList<Action>();
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prohibitedMoves.add(Action.PASS);
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assertEquals(Action.getInstance("B3"), new RandomMovePolicy().getAction(new GameConfig(), gameState, prohibitedMoves, Player.WHITE));
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System.out.println(gameState);
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}
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@Test
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public void testIllegalMoveSuicide() {
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GameState gameState = new GameState(3);
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gameState.playStone(Player.WHITE, Action.getInstance("A1"));
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gameState.playStone(Player.WHITE, Action.getInstance("B1"));
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gameState.playStone(Player.WHITE, Action.getInstance("B2"));
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gameState.playStone(Player.WHITE, Action.getInstance("A3"));
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gameState.playStone(Player.WHITE, Action.getInstance("B3"));
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System.out.println("State before move: ");
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System.out.println(gameState);
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RandomMovePolicy randomMovePolicy = new RandomMovePolicy();
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//There is only a minute chance (5E-7) that RandomMoveGenerator fails to return an invalid move with probability 1/4
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//after 50 calls, if this bug recurs.
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for (int i = 0; i < 50; i++) {
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Action action = randomMovePolicy.getAction(new GameConfig(),gameState,Player.BLACK);
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//System.out.println(action);
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assertFalse("RandomMovePolicy returned illegal suicide move A2",action.equals(Action.getInstance("A2")));
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}
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}
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@Test
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public void testIllegalMoveKo() {
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GameState gameState = new GameState(4);
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gameState.playStone(Player.WHITE, Action.getInstance("B1"));
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gameState.playStone(Player.WHITE, Action.getInstance("A2"));
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gameState.playStone(Player.WHITE, Action.getInstance("C2"));
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gameState.playStone(Player.WHITE, Action.getInstance("B3"));
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gameState.playStone(Player.BLACK, Action.getInstance("A3"));
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gameState.playStone(Player.BLACK, Action.getInstance("C3"));
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gameState.playStone(Player.BLACK, Action.getInstance("B4"));
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System.out.println("State before move: ");
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System.out.println(gameState);
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assertTrue(gameState.playStone(Player.BLACK, Action.getInstance("B2")));
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System.out.println("State after move: ");
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System.out.println(gameState);
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RandomMovePolicy randomMovePolicy = new RandomMovePolicy();
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//Test that after 50 moves, the policy never returns B3, which would be a Ko violation
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for (int i = 0; i < 50; i++) {
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Action action = randomMovePolicy.getAction(new GameConfig(),gameState,Player.WHITE);
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//System.out.println(action);
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assertFalse(action.equals(Action.NONE));
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assertFalse("RandomMovePolicy returned Ko violation move B3",action.equals(Action.getInstance("B3")));
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}
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}
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}
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