fix(2022-day-02): correctly register loss when opponent plays rock against scissors

developher-net · developher-net · commit 5b58961d41e1 · 2022-12-02T00:19:58.000-08:00
diff --git a/2022/day-02/rochambeau.js b/2022/day-02/rochambeau.js
@@ -14,14 +14,14 @@ const scoreRound = (opponent, self) => {
     // Win
     if (
       (selfScore - 1 === oppScore) ||
-      (selfScore === -1 && oppScore === 2)
+      (selfScore === 0 && oppScore === 2)
     ) {
       return 6
     }
     // Lose
     if (
       (oppScore - 1 === selfScore) ||
-      (oppScore === -1 && selfScore === 2)
+      (oppScore === 0 && selfScore === 2)
     ) {
       return 0
     }
diff --git a/2022/day-02/rochambeau.test.js b/2022/day-02/rochambeau.test.js
@@ -2,13 +2,16 @@
 const { expect } = require('chai')
 const { scoreMatch, scoreRound } = require('./rochambeau')
 
-describe.only('--- Day 2: Rock Paper Scissors ---', () => {
+describe('--- Day 2: Rock Paper Scissors ---', () => {
   describe('Part 1', () => {
     describe('scoreRound', () => {
       it('calculates the score of a round based on what the opponent played and what you played', () => {
+        // provided
         expect(scoreRound('A', 'Y')).to.equal(8)
         expect(scoreRound('B', 'X')).to.equal(1)
         expect(scoreRound('C', 'Z')).to.equal(6)
+        // data from input
+        expect(scoreRound('A', 'Z')).to.equal(3) // loss and self played Z
       })
     })
     describe('scoreMatch', () => {
