-fixing the function repeat -fix the repeat-str test

Author: Abduhasen

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

@@ -1,10 +1,10 @@
 function repeatStr(word, times) {
-  if (times > 0) {
-    return word.repeat(times);
-  } else if (times < 0) {
-    return "Error:negative number not allowed";
-  } else {
+  if (times < 0) {
+    throw new Error("negative number is not allowed");
+  } else if (times === 0) {
     return "";
+  } else {
+    return word.repeat(times);
   }
 }
 module.exports = repeatStr;

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

@@ -42,7 +42,8 @@ test("should return an empty string when the number of times is 0", () => {
 // Then it should throw an error, as negative counts are not valid.
 test("should return a string 'negative number not allowed' when negative number passed", () => {
   let word = "hello";
-  let times = -3;
-  const repeatedStr = repeatStr(word, times);
-  expect(repeatedStr).toBe("Error:negative number not allowed");
+  let times = -1;
+  expect(() => {
+    repeatStr("hello", -1);
+  }).toThrow("negative number is not allowed");
 });