StephenClarkApps / SwiftBowlingKata

A starter setup for a TDD driven bowling game kata in Swift

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Bowling Kata

This is a completed version. See the first commit or original source repo for the starter.

This project contains a starter setup for a TDD driven bowling game kata. There is a Game.swift class that contains a protocol and an empty XCUnit Test file to get you started.

Bowling Rules

  • The game consists of Ten frames, each player has two opportunities to knock pins in each frame.
  • Spare: If player knocks 10 pins in two tries(in the same frame), this current frame will get a bonus score. The bonus is the amount of knocked pins the next time the player rolls, for example.
  • Strike: If a player knocks 10 pins on his first try, current frame will get a Strike bonus which adds score from the next two rolls.
  • If a player rolls a Spare or Strike in the tenth frame they will get an extra bonus to roll again, but no more than three rolls in total in the tenth frame.
  • A perfect game score is 300 (12 Strikes).

Task

We'd like you to write the logic for a game of bowling based on the rules outlined above. The only mandates are that at least one frame must score a spare and at least one must score a strike. We're interested in seeing the final score at the end of a game of bowling.

N.B. We're focusing on the TDD approach to building out the logic for a game of bowling.

Useful links

Feel free to use this bowling game score calculator to validate your scores.

Good luck!

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A starter setup for a TDD driven bowling game kata in Swift


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Language:Swift 100.0%