Added tests for ordinal number suffixes in getOrdinalNumber function

Author: ashaahmed7

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

@@ -18,3 +18,41 @@ test("should append 'st' for numbers ending with 1, except those ending with 11"
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(131)).toEqual("131st");
 });
+
+// Case 2: Numbers ending with 2 (but not 12)
+// When the number ends with 2, except those ending with 12,
+// Then the function should return a string by appending "nd" to the number.
+test("should append 'nd' for numbers ending with 2, except those ending with 12", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(3162)).toEqual("3162nd");
+  expect(getOrdinalNumber(7322)).toEqual("7322nd");
+});
+
+// Case 3: Numbers ending with 3 (but not 13)
+// When the number ends with 3, except those ending with 13,
+// Then the function should return a string by appending "rd" to the number.
+test("should append 'rd' for numbers ending with 3, except those ending with 13", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(3243)).toEqual("3243rd");
+  expect(getOrdinalNumber(133)).toEqual("133rd");
+});
+
+// Case 4: Numbers ending with 11, 12 or 13
+// When the number ends with 11, 12 or 13
+// Then the function should return a string by appending "th" to the number.
+test("should append 'th' for numbers with 11, 12 or 13", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(211)).toEqual("211th");
+  expect(getOrdinalNumber(2113)).toEqual("2113th");
+  expect(getOrdinalNumber(824312)).toEqual("824312th");
+});
+
+// Case 4: Numbers not ending in 1, 2 and 3
+// When the number ends with 0, 4, 5, 6, 7, 8, 9
+// Then the function should return a string by appending "th" to the number.
+test("should append 'th' for numbers not ending in 1, 2 and 3", () => {
+  expect(getOrdinalNumber(19)).toEqual("19th");
+  expect(getOrdinalNumber(2118)).toEqual("2118th");
+  expect(getOrdinalNumber(3130)).toEqual("3130th");
+  expect(getOrdinalNumber(924334)).toEqual("924334th");
+});