test added

Author: Arthur

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

@@ -1,22 +1,20 @@
 function repeatStr(str, count) {
   // Your implementation of this function must *not* call String.prototype.repeat (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat).
   // The goal is to re-implement that function, not to use it.
-  let  repeatedStr= "";
-  
-  for(i=0; i<count; i++){
-   repeatedStr= repeatedStr + str; 
-  };
-  return repeatedStr;}
 
+  if (count < 0) {
+    throw new Error("Oh no! Negative numbers are not allowed!");
+    
+  }
 
+  let repeatedStr = "";
 
+  for (i = 0; i < count; i++) {
+    repeatedStr = repeatedStr + str;
+  }
+  return repeatedStr;
+}
 
 module.exports = repeatStr;
 
-
-
-
-
-
-
-//for committing//
+//for committing//

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

@@ -4,6 +4,13 @@ const repeatStr = require("./repeat-str");
 // When the repeatStr function is called with these inputs,
 // Then it should:
 
+test("Given a target string 'str' and a positive integer 'count'", () => {
+  const str = "hello";
+  const count = 3;
+  const repeatedStr = repeatStr(str, count);
+  expect(repeatedStr).toEqual("hellohellohello");
+});
+
 // Case: handle multiple repetitions:
 // Given a target string `str` and a positive integer `count` greater than 1,
 // When the repeatStr function is called with these inputs,
@@ -21,14 +28,35 @@ test("should repeat the string count times", () => {
 // When the repeatStr function is called with these inputs,
 // Then it should return the original `str` without repetition.
 
+test("Given a target string `str` and a `count` equal to 1", () => {
+  const str = "hello";
+  const count = 1;
+  const repeatedStr = repeatStr(str, count);
+  expect(repeatedStr).toEqual("hello");
+});
+
 // Case: Handle count of 0:
 // Given a target string `str` and a `count` equal to 0,
 // When the repeatStr function is called with these inputs,
 // Then it should return an empty string.
 
+test("Given a target string `str` and a `count` equal to 1", () => {
+  const str = "";
+  const count = 0;
+  const repeatedStr = repeatStr(str, count);
+  expect(repeatedStr).toEqual("");
+});
+
 // Case: Handle negative count:
 // Given a target string `str` and a negative integer `count`,
 // When the repeatStr function is called with these inputs,
 // Then it should throw an error, as negative counts are not valid.
 
-//for committing//
+test(" Given a target string `str` and a negative integer `count` ", () => {
+  const str = "idea";
+  const count = -3;
+
+  expect(() => repeatStr("idea", -3)).toThrow(
+    "Oh no! Negative numbers are not allowed!"
+  );
+});