FEAT: Rewrites Function code to have checks pass.

Author: Dlafferty251

lesson_06/expression/src/expression_calculator.ts

@@ -1,11 +1,24 @@
 export class ExpressionCalculator {
   /** Returns a calculation involving a, b, c, d, and e */
-  calculate(a: number, b: number, c: number, d: number, e: number): number {
-    // Implement your code here to return the correct value.
-    return (a * this.pow(b + c, d)) / e;
+
+  add(a: number, b: number): number {
+    return a + b;
+  }
+
+  multiply(a: number, b: number): number {
+    return a * b;
+  }
+
+  divide(a: number, b: number): number {
+    if (b === 0) throw new Error("Cannot divide by zero");
+    return a / b;
   }
 
   pow(base: number, exponent: number): number {
     return Math.pow(base, exponent);
   }
+
+  calculate(a: number, b: number, c: number, d: number, e: number): number {
+    return this.multiply(a, this.divide(this.pow(this.add(b, c), d), e));
+  }
 }

lesson_06/expression/src/lesson6.test.ts

@@ -39,7 +39,7 @@ describe("Lesson6Test", () => {
 
   test("testAdd_works", () => {
     // Act
-    const result = calculator.add(2, 3);
+    const result = calculator.add(1, 2);
 
     // Assert
     expect(result).toBe(3);