// Test the hasWon() method
 void testHasWon(Tester t) {
   resetPlayer();
   t.checkExpect(player.hasWon(), false);
   resetPlayer();
   player.score = 100000;
   t.checkExpect(player.hasWon(), true);
 }
 // test the updateStats method
 void testUpdateStats(Tester t) {
   player.updateStats(avocado);
   t.checkExpect(player, new Player(751f, 7.7f, 600, new Posn(0, CollectTheFruit.height - 30)));
   resetPlayer();
   player.updateStats(twinkie);
   t.checkExpect(player, new Player(630f, 3.9f, 0, new Posn(0, CollectTheFruit.height - 30)));
 }
 // test the changeSpeed method
 void testChangeSpeed(Tester t) {
   resetPlayer();
   player.changeSpeed(0.1f);
   t.checkExpect(player.speed, 6.4f);
   resetPlayer();
   player.changeSpeed(-0.1f);
   t.checkExpect(player.speed, 5.4f);
 }
 // Test the IsDead() method
 void testIsDead(Tester t) {
   resetPlayer();
   t.checkExpect(player.isDead(), false);
   resetPlayer();
   player.speed = 0;
   t.checkExpect(player.isDead(), true);
   resetPlayer();
   player.hunger = 0;
   t.checkExpect(player.isDead(), true);
 }
 // test the worldEnd method
 void testWorldEnd(Tester t) {
   t.checkExpect(ctf.worldEnds().worldEnds, false);
   resetCTF();
   ctf.player.score = 300000;
   t.checkExpect(ctf.worldEnds().worldEnds, true);
   resetCTF();
   ctf.player.hunger = 0;
   t.checkExpect(ctf.worldEnds().worldEnds, true);
   resetCTF();
   ctf.player.speed = 0;
   t.checkExpect(ctf.worldEnds().worldEnds, true);
 }
 // test the changeHunger(int) and changeHunger(float) methods
 void testChangeHunger(Tester t) {
   resetPlayer();
   player.changeHunger(0.1f);
   t.checkExpect(player.hunger, 730f);
   resetPlayer();
   player.changeHunger(-0.1f);
   t.checkExpect(player.hunger, 630f);
   resetPlayer();
   player.changeHunger(1);
   t.checkExpect(player.hunger, 701f);
   resetPlayer();
   player.changeHunger(-1);
   t.checkExpect(player.hunger, 699f);
   player.changeHunger(-1000);
   t.checkExpect(player.hunger, 0f);
   player.changeHunger(-1000f);
   t.checkExpect(player.hunger, 0f);
 }
 // test the changeScore method
 void testChangeScore(Tester t) {
   player.changeScore(100);
   t.checkExpect(player.score, 100);
   player.changeScore(-100);
   t.checkExpect(player.score, 0);
 }
 // test the move method
 void testMove(Tester t) {
   player.move(500, 30);
   t.checkExpect(player.loc, new Posn(500, 350));
 }