Implement equality for Dollar

kaiosilveira · Sep 28, 2022 · 07a740a · 07a740a
2 parents fd81150 + e75fb42
commit 07a740a
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diff --git a/src/index.spec.ts b/src/index.spec.ts
@@ -18,4 +18,10 @@ describe('Multi currency money', () => {
       expect(product.amount).toEqual(15);
     });
   });
+
+  describe('equality', () => {
+    it('should consider an object representing $5 equals to another object representing $5', () => {
+      expect(new Dollar(5).equals(new Dollar(5))).toBe(true);
+    });
+  });
 });
diff --git a/src/index.ts b/src/index.ts
@@ -8,4 +8,8 @@ export default class Dollar {
   times(multiplier: number): Dollar {
     return new Dollar(this.amount * multiplier);
   }
+
+  equals(dollar: Object): boolean {
+    return this.amount == (dollar as Dollar).amount;
+  }
 }