Completed count.js

Author: libanj0161

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

@@ -1,5 +1,18 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  // trying to find the amount of times the findCharacter is found in the stringOfCharacters
+  const lengthOfString = stringOfCharacters.length;
+  console.log("lengthOfString", lengthOfString);
+
+  // replace all instances of findCharacter in string of characters with an empty string, and then get the length. (e.g. in house replace the e with an empty string " ").
+  const otherLettersLength = stringOfCharacters.replaceAll(
+    findCharacter,
+    ""
+  ).length;
+
+  // declaring the variable called result and subtract otherLettersLength from the lengthOfString to find the number of occurences of findCharacter.
+  const result = lengthOfString - otherLettersLength;
+  console.log("result", result);
+  return result;
 }
 
 module.exports = countChar;

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

@@ -17,8 +17,30 @@ test("should count multiple occurrences of a character", () => {
   expect(count).toEqual(5);
 });
 
+test("should count multiple occurrences of a character", () => {
+  const str = "house";
+  const char = "e";
+  const count = countChar(str, char);
+  expect(count).toEqual(1);
+});
+
+test("should count multiple occurrences of a character", () => {
+  const str = "playful";
+  const char = "l";
+  const count = countChar(str, char);
+  expect(count).toEqual(2);
+});
+
 // Scenario: No Occurrences
 // Given the input string `str`,
 // 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(``);
+test("should return when there are no occurrences of a character", () => {
+  const str = "spaceship";
+  const char = "x";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});