write test with negative number

Author: vmoratti

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

@@ -1,17 +1,20 @@
 function repeatStr(str, num) {
-    var result = "";
-    var i;
-    if (num < 0) {
-        throw new Error("negative numbers are not valid")
-    } else if (num === 0) {
-        result = ""
-    } else {
-        for (i = 0; i < num; i++) {
-        result += str;
-    }}
-    return result;
+  var result = "";
+  var i;
+  if (num < 0) {
+    throw new Error("negative numbers are not valid");
+  } else if (num === 0) {
+    result = "";
+  } else {
+    for (i = 0; i < num; i++) {
+      result += str;
+    }
+  }
+  return result;
 }
-    
-console.log(repeatStr("hello", 44))
+
+//console.log(repeatStr("hello", -1));
+//console.log(repeatStr("hello", 0));
+//console.log(repeatStr("hello", 5))
 
 module.exports = repeatStr;

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

@@ -27,7 +27,6 @@ test("should return just original string", () => {
   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,
@@ -43,3 +42,9 @@ test("should return an empty string for count of 0", () => {
 // 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.
+test("should throw an error when negative number is entered", () => {
+  const str = "hello";
+  const count = -1;
+
+  expect(() => repeatStr(str, count)).toThrow("negative numbers are not valid");
+});