Effect Changes to the count.js and count.test.js

Author: tasleemadedokun

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

@@ -1,5 +1,15 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  let count = 0;
+
+  for (let i = 0; i < stringOfCharacters.length; i++) {
+    if (stringOfCharacters[i] === findCharacter) {
+      count++;
+    }
+  }
+
+  return count;
 }
 
 module.exports = countChar;
+console.log(countChar("aaaaa", "a"));//print 5
+console.log(countChar("aaaaa", "z"));//print 0

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

@@ -22,3 +22,11 @@ test("should count multiple occurrences of a character", () => {
 // And a character `char` that does not exist within `str`.
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of `char` were found.
+
+
+test("should return 0 when the character does not exist in the string", () => {
+  const str = "aaaaa";
+  const char = "z";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});