count.js + tests completed

Author: bartoszkawiak

practice-tdd/count.js

@@ -1,3 +1,10 @@
 export function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  let count = 0;
+  for (let i = 0; i < stringOfCharacters.length; i++) {
+    if (stringOfCharacters[i] === findCharacter) {
+      count = count + 1;
+    }
+  }
+  return count;
 }
+//1st test passsed

practice-tdd/count.test.js

@@ -22,3 +22,8 @@ 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("A character that does not exist in the string should return 0.", () => {
+  const str = "aaaaa";
+  const char = "p";
+  expect(countChar(str, char)).toEqual(0);
+});