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Screw.Unit(function() {
describe("bowling game scorecard", function() {
var bowlingGame;
before(function() {
bowlingGame = new BowlingGame();
});
function gutterBall() {
bowlingGame.roll(0);
}
function strike() {
bowlingGame.roll(10);
}
describe("normal games", function() {
it("should score a single throw", function() {
bowlingGame.roll(5);
(19).times(function() { gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 5);
});
it("should score two throws which do not add up to a strike or spare", function() {
bowlingGame.roll(5);
bowlingGame.roll(4);
(18).times(function() { gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 9);
});
 
it("should score a spare", function() {
(3).times(function() { bowlingGame.roll(5); });
(17).times(function() { gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 20);
});
 
it("should score multiple spares", function() {
(2).times(function() { bowlingGame.roll(5); });
(2).times(function() { bowlingGame.roll(5); });
bowlingGame.roll(5);
(15).times(function(){ gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 35);
});
 
it("should score a strike", function() {
bowlingGame.roll(10);
bowlingGame.roll(5);
bowlingGame.roll(5);
(16).times(function() { gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 30);
});
 
it("should score back to back strikes", function() {
(2).times(function() { strike(); });
bowlingGame.roll(5);
bowlingGame.roll(4);
(14).times(function() { gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 53);
});
 
it("should score a combination of strikes and spares", function() {
(3).times(function() { strike(); });
(2).times(function() { bowlingGame.roll(5) });
bowlingGame.roll(7);
(15).times(function() { gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 99);
});
});
describe("special games", function() {
it("should score a full house of strikes", function() {
(12).times(function() { strike(); });
expect(bowlingGame.score()).to(equal, 300);
});
it("should score a full house of spares", function() {
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
gutterBall();
bowlingGame.roll(10);
bowlingGame.roll(10);
expect(bowlingGame.score()).to(equal, 110)
});
 
it("should score a gutter game", function() {
(10).times(function() { gutterBall(); });
 
expect(bowlingGame.score()).to(equal, 0);
});
it("should score a dutch 200", function() {
strike();
(2).times(function() { bowlingGame.roll(5) });
strike();
(2).times(function() { bowlingGame.roll(5) });
strike();
(2).times(function() { bowlingGame.roll(5) });
strike();
(2).times(function() { bowlingGame.roll(5) });
strike();
(2).times(function() { bowlingGame.roll(5) });
strike();
expect(bowlingGame.score()).to(equal, 200);
});
});
});
});
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