package gizmoball.game; import java.util.Arrays; import java.util.Iterator; import java.util.List; import junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import physics.Vect; /** * Unit Test for class GameBoard * * * Created: Sat Apr 24 09:04:42 2004 * * @author Dan R. K. Ports * @version $Id: GameBoardTest.java,v 1.7 2004/04/27 08:47:25 dan Exp $ */ public class GameBoardTest extends TestCase { public static final double TOLERANCE = 0.001; /** * A test stub gizmo for testing the GameBoard. It simply keeps track * of the number of times and amount of time it has been simulated, * and the number of times it has been triggered. * * @author Dan R. K. Ports * @version $Id: GameBoardTest.java,v 1.7 2004/04/27 08:47:25 dan Exp $ */ private static class StubbyGizmo extends AbstractGizmo { public int numTickCalls = 0; public double totalTickTime = 0.0; public int numTriggerCalls = 0; public StubbyGizmo(String name, Vect position) { super(name, position); } // StubbyGizmo constructor // Implementation of gizmoball.game.AbstractGizmo public boolean tick(double d) { numTickCalls++; totalTickTime += d; return false; } public void fireTrigger(AbstractTrigger abstractTrigger) { numTriggerCalls++; } public double timeUntilCollisionWith(AbstractGizmo abstractGizmo) { return Double.POSITIVE_INFINITY; } public void collide(AbstractGizmo abstractGizmo) { } public Collidability canCollideWith(AbstractGizmo otherGizmo) { return Collidability.CAN_COLLIDE; } } // StubbyGizmo /** * Creates a new GameBoardTest instance. * * @param name test name */ public GameBoardTest (String name){ super(name); } /** * @return a TestSuite */ public static TestSuite suite(){ return new TestSuite(GameBoardTest.class); } /** * Entry point */ public static void main(String[] args) { junit.textui.TestRunner.run(suite()); } GameBoard gb; protected void setUp() { gb = new GameBoard(); } public void testDefaultDimensionsAndWalls() { assertEquals(new Vect(20, 20), gb.getDimensions()); assertEquals(1, gb.getGizmos().size()); AbstractGizmo gizmo = (AbstractGizmo) gb.getGizmos().iterator().next(); assertTrue(gizmo instanceof OuterWallsGizmo); OuterWallsGizmo walls = (OuterWallsGizmo) gizmo; assertEquals(new Vect(20, 20), walls.getDimensions()); } public void testNonDefaultDimensionsAndWalls() { gb = new GameBoard(new Vect(17, 42)); assertEquals(new Vect(17, 42), gb.getDimensions()); assertEquals(1, gb.getGizmos().size()); AbstractGizmo gizmo = (AbstractGizmo) gb.getGizmos().iterator().next(); assertTrue(gizmo instanceof OuterWallsGizmo); OuterWallsGizmo walls = (OuterWallsGizmo) gizmo; assertEquals(new Vect(17, 42), walls.getDimensions()); } public void testAddAndRemoveGizmos() { AbstractGizmo g1 = new StubbyGizmo("g1", Vect.X_HAT); AbstractGizmo g2 = new StubbyGizmo("g2", Vect.X_HAT); assertEquals(1, gb.getGizmos().size()); assertFalse(gb.getGizmos().contains(g1)); assertFalse(gb.getGizmos().contains(g2)); gb.addGizmo(g1); assertEquals(2, gb.getGizmos().size()); assertTrue(gb.getGizmos().contains(g1)); assertFalse(gb.getGizmos().contains(g2)); assertSame(gb, g1.getGameBoard()); gb.addGizmo(g2); assertEquals(3, gb.getGizmos().size()); assertTrue(gb.getGizmos().contains(g1)); assertTrue(gb.getGizmos().contains(g2)); assertSame(gb, g1.getGameBoard()); assertSame(gb, g2.getGameBoard()); assertTrue(gb.removeGizmo(g2)); assertEquals(2, gb.getGizmos().size()); assertTrue(gb.getGizmos().contains(g1)); assertFalse(gb.getGizmos().contains(g2)); assertSame(gb, g1.getGameBoard()); try { gb.addGizmo(null); fail("expected an IllegalArgumentException"); } catch (IllegalArgumentException e) { // pass } // end of try-catch try { gb.removeGizmo(null); fail("expected an IllegalArgumentException"); } catch (IllegalArgumentException e) { // pass } // end of try-catch } public void testAddAndRemoveTriggers() { AbstractGizmo g1 = new StubbyGizmo("g1", Vect.X_HAT); AbstractGizmo g2 = new StubbyGizmo("g2", Vect.X_HAT); AbstractGizmo g3 = new StubbyGizmo("g3", Vect.X_HAT); gb.addGizmo(g1); gb.addGizmo(g2); gb.addGizmo(g3); assertEquals(0, gb.getTriggers().size()); assertEquals(0, gb.getCollisionTriggers().size()); assertEquals(0, gb.getKeypressTriggers().size()); assertEquals(0, gb.getIncomingTriggersForGizmo(g1).size()); assertEquals(0, gb.getOutgoingTriggersForGizmo(g1).size()); assertEquals(0, gb.getIncomingTriggersForGizmo(g2).size()); assertEquals(0, gb.getOutgoingTriggersForGizmo(g2).size()); assertEquals(0, gb.getIncomingTriggersForGizmo(g3).size()); assertEquals(0, gb.getOutgoingTriggersForGizmo(g3).size()); assertEquals(gb.getIncomingTriggersForGizmo(g1), g1.getIncomingTriggers()); assertEquals(gb.getIncomingTriggersForGizmo(g2), g2.getIncomingTriggers()); assertEquals(gb.getIncomingTriggersForGizmo(g3), g3.getIncomingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g1), g1.getOutgoingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g2), g2.getOutgoingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g3), g3.getOutgoingTriggers()); AbstractTrigger t1 = new CollisionTrigger(g1, g2); AbstractTrigger t2 = new CollisionTrigger(g1, g3); AbstractTrigger t3 = new KeypressTrigger(1, g2); gb.addTrigger(t1); gb.addTrigger(t2); gb.addTrigger(t3); assertEquals(3, gb.getTriggers().size()); assertEquals(2, gb.getCollisionTriggers().size()); assertTrue(gb.getCollisionTriggers().contains(t1)); assertTrue(gb.getCollisionTriggers().contains(t2)); assertEquals(1, gb.getKeypressTriggers().size()); assertTrue(gb.getKeypressTriggers().contains(t3)); assertEquals(0, gb.getIncomingTriggersForGizmo(g1).size()); assertEquals(2, gb.getOutgoingTriggersForGizmo(g1).size()); assertTrue(gb.getOutgoingTriggersForGizmo(g1).contains(t1)); assertTrue(gb.getOutgoingTriggersForGizmo(g1).contains(t2)); assertEquals(2, gb.getIncomingTriggersForGizmo(g2).size()); assertEquals(0, gb.getOutgoingTriggersForGizmo(g2).size()); assertTrue(gb.getIncomingTriggersForGizmo(g2).contains(t1)); assertTrue(gb.getIncomingTriggersForGizmo(g2).contains(t3)); assertEquals(1, gb.getIncomingTriggersForGizmo(g3).size()); assertEquals(0, gb.getOutgoingTriggersForGizmo(g3).size()); assertTrue(gb.getIncomingTriggersForGizmo(g3).contains(t2)); assertEquals(gb.getIncomingTriggersForGizmo(g1), g1.getIncomingTriggers()); assertEquals(gb.getIncomingTriggersForGizmo(g2), g2.getIncomingTriggers()); assertEquals(gb.getIncomingTriggersForGizmo(g3), g3.getIncomingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g1), g1.getOutgoingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g2), g2.getOutgoingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g3), g3.getOutgoingTriggers()); gb.removeTrigger(t2); assertEquals(2, gb.getTriggers().size()); assertEquals(1, gb.getCollisionTriggers().size()); assertTrue(gb.getCollisionTriggers().contains(t1)); assertFalse(gb.getCollisionTriggers().contains(t2)); assertEquals(1, gb.getKeypressTriggers().size()); assertTrue(gb.getKeypressTriggers().contains(t3)); assertEquals(0, gb.getIncomingTriggersForGizmo(g1).size()); assertEquals(1, gb.getOutgoingTriggersForGizmo(g1).size()); assertTrue(gb.getOutgoingTriggersForGizmo(g1).contains(t1)); assertFalse(gb.getOutgoingTriggersForGizmo(g1).contains(t2)); assertEquals(2, gb.getIncomingTriggersForGizmo(g2).size()); assertEquals(0, gb.getOutgoingTriggersForGizmo(g2).size()); assertTrue(gb.getIncomingTriggersForGizmo(g2).contains(t1)); assertTrue(gb.getIncomingTriggersForGizmo(g2).contains(t3)); assertEquals(0, gb.getIncomingTriggersForGizmo(g3).size()); assertEquals(0, gb.getOutgoingTriggersForGizmo(g3).size()); assertFalse(gb.getIncomingTriggersForGizmo(g3).contains(t2)); assertEquals(gb.getIncomingTriggersForGizmo(g1), g1.getIncomingTriggers()); assertEquals(gb.getIncomingTriggersForGizmo(g2), g2.getIncomingTriggers()); assertEquals(gb.getIncomingTriggersForGizmo(g3), g3.getIncomingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g1), g1.getOutgoingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g2), g2.getOutgoingTriggers()); assertEquals(gb.getOutgoingTriggersForGizmo(g3), g3.getOutgoingTriggers()); } public void testTriggerDirectFiring() { StubbyGizmo g1 = new StubbyGizmo("g1", Vect.X_HAT); StubbyGizmo g2 = new StubbyGizmo("g2", Vect.X_HAT); StubbyGizmo g3 = new StubbyGizmo("g3", Vect.X_HAT); gb.addGizmo(g1); gb.addGizmo(g2); gb.addGizmo(g3); AbstractTrigger t1 = new CollisionTrigger(g1, g2); AbstractTrigger t2 = new CollisionTrigger(g1, g3); AbstractTrigger t3 = new KeypressTrigger(1, g2); gb.addTrigger(t1); gb.addTrigger(t2); gb.addTrigger(t3); assertEquals(0, g1.numTriggerCalls); assertEquals(0, g2.numTriggerCalls); assertEquals(0, g3.numTriggerCalls); t1.fire(); assertEquals(0, g1.numTriggerCalls); assertEquals(1, g2.numTriggerCalls); assertEquals(0, g3.numTriggerCalls); t2.fire(); assertEquals(0, g1.numTriggerCalls); assertEquals(1, g2.numTriggerCalls); assertEquals(1, g3.numTriggerCalls); t3.fire(); assertEquals(0, g1.numTriggerCalls); assertEquals(2, g2.numTriggerCalls); assertEquals(1, g3.numTriggerCalls); t1.fire(); assertEquals(0, g1.numTriggerCalls); assertEquals(3, g2.numTriggerCalls); assertEquals(1, g3.numTriggerCalls); } public void testKeypressTriggerFiring() { StubbyGizmo g1 = new StubbyGizmo("g1", Vect.X_HAT); StubbyGizmo g2 = new StubbyGizmo("g2", Vect.X_HAT); StubbyGizmo g3 = new StubbyGizmo("g3", Vect.X_HAT); gb.addGizmo(g1); gb.addGizmo(g2); gb.addGizmo(g3); AbstractTrigger t1 = new CollisionTrigger(g1, g2); AbstractTrigger t2 = new KeypressTrigger(1, g3); AbstractTrigger t3 = new KeypressTrigger(1, g2); AbstractTrigger t4 = new KeypressTrigger(2, g3); gb.addTrigger(t1); gb.addTrigger(t2); gb.addTrigger(t3); gb.addTrigger(t4); assertEquals(0, g1.numTriggerCalls); assertEquals(0, g2.numTriggerCalls); assertEquals(0, g3.numTriggerCalls); gb.fireKeypressTrigger(1); assertEquals(0, g1.numTriggerCalls); assertEquals(1, g2.numTriggerCalls); assertEquals(1, g3.numTriggerCalls); gb.fireKeypressTrigger(1); assertEquals(0, g1.numTriggerCalls); assertEquals(2, g2.numTriggerCalls); assertEquals(2, g3.numTriggerCalls); gb.fireKeypressTrigger(2); assertEquals(0, g1.numTriggerCalls); assertEquals(2, g2.numTriggerCalls); assertEquals(3, g3.numTriggerCalls); gb.fireKeypressTrigger(3); assertEquals(0, g1.numTriggerCalls); assertEquals(2, g2.numTriggerCalls); assertEquals(3, g3.numTriggerCalls); } private class ScriptRecord { public double endTime; public double collisionTime; public ScriptRecord(double endTime, double collisionTime) { this.endTime = endTime; this.collisionTime = collisionTime; } } private class ScriptedGizmo extends AbstractGizmo { public int numTickCalls = 0; public double totalTickTime = 0.0; public int numTriggerCalls = 0; public int numCollideCalls = 0; public List script; public ScriptRecord curRec; public Iterator scriptIt; public ScriptedGizmo(String name, Vect position, List script) { super(name, position); this.script = script; scriptIt = script.iterator(); curRec = (ScriptRecord) scriptIt.next(); } // ScriptedGizmo constructor // Implementation of gizmoball.game.AbstractGizmo public boolean tick(double d) { System.out.println(" " + getName() + " tick: " + Double.toString(d)); numTickCalls++; totalTickTime += d; if (totalTickTime > curRec.endTime) { curRec = (ScriptRecord) scriptIt.next(); } // end of if (totalTickTime > curRec.endTime) return false; } public void fireTrigger(AbstractTrigger abstractTrigger) { numTriggerCalls++; } public double timeUntilCollisionWith(AbstractGizmo abstractGizmo) { System.out.println(" " + getName() + " timeToCollideWith " + abstractGizmo.getName() + ": " + Double.toString(curRec.collisionTime - totalTickTime)); return curRec.collisionTime - totalTickTime; } public void collide(AbstractGizmo abstractGizmo) { System.out.println(" " + getName() + " collide with " + abstractGizmo.getName()); curRec = (ScriptRecord) scriptIt.next(); numCollideCalls++; } public Collidability canCollideWith(AbstractGizmo otherGizmo) { // This is ugly. I apologize. if (getName().equals("foo")) { if (otherGizmo.getName().equals("bar")) return Collidability.CAN_COLLIDE; if (otherGizmo.getName().equals("baz")) return Collidability.DEFER_COLLIDE; if (otherGizmo.getName().equals("quux")) return Collidability.NEVER_COLLIDE; } if (getName().equals("bar")) { if (otherGizmo.getName().equals("foo")) return Collidability.DEFER_COLLIDE; if (otherGizmo.getName().equals("baz")) return Collidability.CAN_COLLIDE; if (otherGizmo.getName().equals("quux")) return Collidability.NEVER_COLLIDE; } if (getName().equals("baz")) { if (otherGizmo.getName().equals("foo")) return Collidability.CAN_COLLIDE; if (otherGizmo.getName().equals("bar")) return Collidability.CAN_COLLIDE; if (otherGizmo.getName().equals("quux")) return Collidability.DEFER_COLLIDE; } return Collidability.NEVER_COLLIDE; } } /** *
     * UNIT TESTING:
     *   A Half Second Play in Two Acts
     *   entirely divorced of all physical meaning.
     *
     * Dramatis personae:
     *   A GameBoard. The narrator.
     *   Four ScriptedGizmos, added in this order:
     *    foo: CAN_COLLIDE w/ bar, DEFER_COLLIDE w/ baz, NEVER_COLLIDE w/ quux
     *    bar: DEFER_COLLIDE w/ foo, CAN_COLLIDE w/ baz, NEVER_COLLIDE w/ quux
     *    baz: CAN_COLLIDE w/ foo, CAN_COLLIDE w/ bar, DEFER_COLLIDE w/ quux 
     *    quux: NEVER_COLLIDE w/ foo, bar, and baz
     *   ...forming the collision pairs:
     *     foo-bar, baz-foo, bar-baz
     *
     * ACT I: THE INITIALIZATION
     *
     * GameBoard: Foo, Bar, Baz, and Quux, join me as we traipse merrily
     *    through the scintillating world of unit testing!
     *
     * Foo: I'll collide with Bar in .15 seconds!
     * Bar: I'll collide with Baz in .25 seconds!
     * Baz: Foo and I are never going to collide, just you watch!
     *
     * OVERTURE ENDS
     *
     *
     * ACT II: SIMULATION
     * SCENE I: A .2 SECOND TICK
     *
     * GameBoard: Go forth and tick for .1 seconds.
     * Foo: I'll collide with Bar in .05 seconds! Aieee!
     * Bar: I'll collide with Baz in .15 seconds!
     * Baz: Foo and I are never going to collide, just you watch!
     *
     * GameBoard: Go forth and tick for .05 seconds!
     * Foo with Bar: Clunk!
     * Foo: I'll collide with Bar in .5 seconds.
     * Bar: I'll collide with Baz in .10 seconds!
     * Baz: Foo and I are never going to collide, just you watch!
     *
     * GameBoard: Go forth and tick for .05 seconds.
     * Foo: I'll collide with Bar in .45 seconds!
     * Bar: I'll collide with Baz in .05 seconds!
     * Baz: Foo and I are never going to collide, just you watch!
     *
     *
     * SCENE II: A .08 SECOND TICK
     *
     * GameBoard: Go forth and tick for .05 seconds!
     * Bar with Baz: Sproing!
     * Foo: I'll collide with Bar in .4 seconds.
     * Bar: I'm never colliding with Baz again! Try and make me!
     * Baz: Oh, the humanity! Now I'm going to collide with Foo in .15 s!
     *
     * GameBoard: Go forth and tick for .03 seconds!
     *
     *
     * SCENE III: A .22 SECOND TICK
     *
     * GameBoard: Go forth and tick for .07 seconds!
     * Foo: I'll collide with Bar in .3 seconds.
     * Bar: I'm never colliding with Baz again! Try and make me!
     * Baz: The end is near! I will collide with Foo in .05 s!
     *
     * GameBoard: Go forth and tick for .03 seconds.
     * Foo: I'll collide with Bar in .27 seconds.
     * Bar: I'm never colliding with Baz again! Try and make me!
     * Baz: The eschaton is imminent! I will collide with Foo in .02
     * seconds
     *
     * GameBoard: Go forth and tick for .02 seconds!
     * Baz with Foo: Squark!
     * Foo: I'll collide with Bar in .25 seconds!
     * Bar: I'm never colliding with Baz again! Try and make me!
     * Baz: I've had it, no more collisions with Foo!
     *
     * GameBoard: Go forth and tick for .08 seconds!
     * Foo: I'll collide with Bar in .17 seconds!
     * Bar: I'm never colliding with Baz again! Try and make me!
     * Baz: I've had it, no more collisions with Foo!
     *
     * GameBoard: Go forth and tick for .02 seconds!
     * Foo: I'll collide with Bar in .15 seconds!
     * Bar: I'm never colliding with Baz again! Try and make me!
     * Baz: I've had it, no more collisions with Foo!
     *
     * EXEUNT OMNES. Everyone is dereferenced and garbage-collected.
     *
*/ public void testSimulation() { ScriptRecord[] fooScript = { new ScriptRecord(.15, .15), new ScriptRecord(.65, .65) }; ScriptRecord[] barScript = { new ScriptRecord(.25, .25), new ScriptRecord(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY) }; ScriptRecord[] bazScript = { new ScriptRecord(.25-TOLERANCE, Double.POSITIVE_INFINITY), new ScriptRecord(.4, .4), new ScriptRecord(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY) }; ScriptRecord[] quuxScript = { new ScriptRecord(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY) }; ScriptedGizmo foo = new ScriptedGizmo("foo", Vect.X_HAT, Arrays.asList(fooScript)); ScriptedGizmo bar = new ScriptedGizmo("bar", Vect.X_HAT, Arrays.asList(barScript)); ScriptedGizmo baz = new ScriptedGizmo("baz", Vect.X_HAT, Arrays.asList(bazScript)); ScriptedGizmo quux = new ScriptedGizmo("quux", Vect.X_HAT, Arrays.asList(barScript)); gb.addGizmo(foo); gb.addGizmo(bar); gb.addGizmo(baz); gb.addGizmo(quux); gb.addTrigger(new CollisionTrigger(foo, bar)); gb.addTrigger(new CollisionTrigger(bar, baz)); gb.addTrigger(new CollisionTrigger(baz, quux)); gb.addTrigger(new CollisionTrigger(quux, foo)); assertEquals(0, foo.numTickCalls); assertEquals(0, bar.numTickCalls); assertEquals(0, baz.numTickCalls); assertEquals(0, quux.numTickCalls); assertEquals(0, foo.numCollideCalls); assertEquals(0, bar.numCollideCalls); assertEquals(0, baz.numCollideCalls); assertEquals(0, quux.numCollideCalls); assertEquals(0.0, foo.totalTickTime, TOLERANCE); assertEquals(0.0, bar.totalTickTime, TOLERANCE); assertEquals(0.0, baz.totalTickTime, TOLERANCE); assertEquals(0.0, quux.totalTickTime, TOLERANCE); assertEquals(0, foo.numTriggerCalls); assertEquals(0, bar.numTriggerCalls); assertEquals(0, baz.numTriggerCalls); assertEquals(0, quux.numTriggerCalls); gb.tick(0.2); assertEquals(3, foo.numTickCalls); assertEquals(3, bar.numTickCalls); assertEquals(3, baz.numTickCalls); assertEquals(3, quux.numTickCalls); assertEquals(1, foo.numCollideCalls); assertEquals(0, bar.numCollideCalls); assertEquals(0, baz.numCollideCalls); assertEquals(0, quux.numCollideCalls); assertEquals(0.2, foo.totalTickTime, TOLERANCE); assertEquals(0.2, bar.totalTickTime, TOLERANCE); assertEquals(0.2, baz.totalTickTime, TOLERANCE); assertEquals(0.2, quux.totalTickTime, TOLERANCE); assertEquals(0, foo.numTriggerCalls); assertEquals(1, bar.numTriggerCalls); assertEquals(1, baz.numTriggerCalls); assertEquals(0, quux.numTriggerCalls); gb.tick(0.08); assertEquals(5, foo.numTickCalls); assertEquals(5, bar.numTickCalls); assertEquals(5, baz.numTickCalls); assertEquals(5, quux.numTickCalls); assertEquals(1, foo.numCollideCalls); assertEquals(1, bar.numCollideCalls); assertEquals(0, baz.numCollideCalls); assertEquals(0, quux.numCollideCalls); assertEquals(0.28, foo.totalTickTime, TOLERANCE); assertEquals(0.28, bar.totalTickTime, TOLERANCE); assertEquals(0.28, baz.totalTickTime, TOLERANCE); assertEquals(0.28, quux.totalTickTime, TOLERANCE); assertEquals(0, foo.numTriggerCalls); assertEquals(1, bar.numTriggerCalls); assertEquals(2, baz.numTriggerCalls); assertEquals(1, quux.numTriggerCalls); gb.tick(0.22); assertEquals(10, foo.numTickCalls); assertEquals(10, bar.numTickCalls); assertEquals(10, baz.numTickCalls); assertEquals(10, quux.numTickCalls); assertEquals(1, foo.numCollideCalls); assertEquals(1, bar.numCollideCalls); assertEquals(1, baz.numCollideCalls); assertEquals(0, quux.numCollideCalls); assertEquals(0.5, foo.totalTickTime, TOLERANCE); assertEquals(0.5, bar.totalTickTime, TOLERANCE); assertEquals(0.5, baz.totalTickTime, TOLERANCE); assertEquals(0.5, quux.totalTickTime, TOLERANCE); assertEquals(0, foo.numTriggerCalls); assertEquals(2, bar.numTriggerCalls); assertEquals(2, baz.numTriggerCalls); assertEquals(2, quux.numTriggerCalls); } } // GameBoardTest