✨ 【TODO】フランの計算を追加

dodonki1223 · Jan 9, 2022 · 35376db · 35376db
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diff --git a/TODO.md b/TODO.md
@@ -1,16 +1,15 @@
 - [ ] $5 + $5がMoneyを返す
 - [ ] Money の丸め処理どうする？
 - [ ] 他のオブジェクトとの等価性比較
-- [ ] 5CHF * 2 = 10CHF
 
+- [x] 5CHF * 2 = 10CHF
 - [x] Sum.plus
 - [x] Expression.times
 - [x] $5 + 10 CHF = $10(レートが 2:1 の場合)
 - [x] $5 + $5 = $10
 - [x] Bank.reduce(Money)
 - [x] Money を変換して換算を行う
 - [x] Reduce(Bank,String)
-
 - [x] amount を private にする
 - [x] Dollar の副作用どうする？
 - [x] nullとの等価性比較

diff --git a/src/__tests__/money.test.ts b/src/__tests__/money.test.ts
@@ -29,10 +29,13 @@ test('currency', () => {
 });
 
 test('times', () => {
-  const five: Money = Money.dollar(5);
+  const fiveBucks: Money = Money.dollar(5);
+  const fiveFrancs: Money = Money.franc(5);
 
-  expect(five.times(2)).toEqual(Money.dollar(10));
-  expect(five.times(3)).toEqual(Money.dollar(15));
+  expect(fiveBucks.times(2)).toEqual(Money.dollar(10));
+  expect(fiveBucks.times(3)).toEqual(Money.dollar(15));
+  expect(fiveFrancs.times(2)).toEqual(Money.franc(10));
+  expect(fiveFrancs.times(3)).toEqual(Money.franc(15));
 });
 
 test('test reduce sum', () => {