fixed the tdd tests

Author: Yonatanteklemariam

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

@@ -1,5 +1,21 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  if (
+    typeof stringOfCharacters !== "string" ||
+    typeof findCharacter !== "string"
+  ) {
+    return 0;
+  }
+  let count = 0;
+  for (let i = 0; i < stringOfCharacters.length; i++) {
+    if (stringOfCharacters[i] === findCharacter) {
+      count++;
+    }
+  }
+  return count;
 }
-
+console.log(countChar("aaaaa", "a")); // should return 5
+console.log(countChar("bravo", "u")); // should return 0
+console.log(countChar("", "a")); // should return 0
+console.log(countChar("1-2-3-4-5-", "-")); // should return 5
+console.log(countChar("AaAa", "A")); // should return 2
 module.exports = countChar;

Sprint-3/2-practice-tdd/get-ordinal-number.js

@@ -1,5 +1,22 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  if (typeof num !== "number" || !Number.isInteger(num) || num < 0) {
+    throw new Error("Input must be a non-negative integer");
+  }
+
+  const lastTwo = num % 100;
+  const lastDigit = num % 10;
+
+  // Special cases: 11th, 12th, 13th
+  if (lastTwo === 11 || lastTwo === 12 || lastTwo === 13) {
+    return `${num}th`;
+  }
+
+  // Normal cases
+  if (lastDigit === 1) return `${num}st`;
+  if (lastDigit === 2) return `${num}nd`;
+  if (lastDigit === 3) return `${num}rd`;
+
+  return `${num}th`;
 }
 
 module.exports = getOrdinalNumber;

Sprint-3/2-practice-tdd/get-ordinal-number.test.js

@@ -42,8 +42,8 @@ test("should append 'th' for numbers ending with 11, 12, 13", () => {
 });
 
 // Case 5: Numbers ending with larger numbers of 111, 121, 131
-test("should append 'th' for numbers ending with 111, 121, 131", () => {
+test("should append 'th' for numbers ending with 111, 112, 113", () => {
   expect(getOrdinalNumber(111)).toEqual("111th");
-  expect(getOrdinalNumber(121)).toEqual("121th");
-  expect(getOrdinalNumber(131)).toEqual("131th");
+  expect(getOrdinalNumber(112)).toEqual("112th");
+  expect(getOrdinalNumber(113)).toEqual("113th");
 });