count.js and count.test.js completed

Author: M-Abdoon

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

@@ -1,5 +1,10 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  let output = 0;
+  for( let i=0; i <= stringOfCharacters.length; i++ ) {
+    if(stringOfCharacters[i] === findCharacter)
+      output++;
+  }
+  return output;
 }
 
 module.exports = countChar;

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

@@ -22,3 +22,9 @@ test("should count multiple occurrences of a character", () => {
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of the char were found in the case-sensitive str.
+test("should return 0 if there are no occurrences at all", () => {
+  const str = "Hello World!";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});