Refactor tests for countChar and getOrdinalNumber functions for clarity and consistency

Author: Darkidd77

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

@@ -23,7 +23,7 @@ test("should count multiple occurrences of a character", () => {
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of `char` were found.
 
-test("should show no occurrences of a character", () => {
+test("should return 0 when the character is not present in the string", () => {
   const str = "aaaaa";
   const char = "c";
   const count = countChar(str, char);

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

@@ -1,6 +1,7 @@
 function getOrdinalNumber(num) {
-  // 1. Handle the 11, 12, 13 exceptions first
-  if (num === 11 || num === 12 || num === 13) {
+  const lastTwoDigits = num % 100;
+
+  if (lastTwoDigits === 11 || lastTwoDigits === 12 || lastTwoDigits === 13) {
     return num + "th";
   }
 

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

@@ -44,13 +44,15 @@ test("should append 'th' for numbers ending with 11, 12, or 13", () => {
   expect(getOrdinalNumber(11)).toEqual("11th");
   expect(getOrdinalNumber(12)).toEqual("12th");
   expect(getOrdinalNumber(13)).toEqual("13th");
+  expect(getOrdinalNumber(1312)).toEqual("1312th");
 });
 
 // Case 5: Numbers ending with 0, 4, 5, 6, 7, 8, or 9 (but not 10)
 // When the number ends with 0, 4, 5, 6, 7, 8, or 9, except those ending with 10,
 // Then the function should return a string by appending "th" to the number.
-test("should append 'th' for numbers ending with 0, 4-9, except those ending with 10", () => {
+test("should return 'th' for numbers ending in 0 or 4 through 9", () => {
+  expect(getOrdinalNumber(0)).toEqual("0th");
   expect(getOrdinalNumber(4)).toEqual("4th");
   expect(getOrdinalNumber(10)).toEqual("10th");
-  expect(getOrdinalNumber(14)).toEqual("14th");
+  expect(getOrdinalNumber(110)).toEqual("110th");
 });