resolve invalide input to throw a new error insted a return a massage

Author: AhmadHmedann

Sprint-3/2-practice-tdd/repeat.js

@@ -1,6 +1,5 @@
 function repeat(myString, repeatNumber) {
-  if (repeatNumber < 0) return "Invalid Input must be a positive number";
-  //if (repeatNumber < 0) throw new Error("Repeat count must be a positive number");
+  if (repeatNumber < 0) throw new Error("Repeat count must be a positive number");
   //  if I use this instead return how I can test it with jest??
   return myString.repeat(repeatNumber);
 }

Sprint-3/2-practice-tdd/repeat.test.js

@@ -46,8 +46,8 @@ test("should return empty when the count is 0", () => {
 test("should return empty when the count is negative", () => {
   const str = "CYF";
   const count = -2;
-  const repeatedStr = repeat(str, count);
-  expect(repeatedStr).toEqual("Invalid Input must be a positive number");
+
+  expect(() => repeat(str,count)).toThrow("Repeat count must be a positive number");
 });
 test("should repeat the string five times when the count is 5", () => {
   const str = "CYF";