Add integer, negative, zero, and invalid input test cases for getOrdinalNumber

Author: Iswanna

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

@@ -30,7 +30,7 @@ test("should return '10th' for 10", () => {
 
 test("should return '11th' for 11", () => {
   expect(getOrdinalNumber(11)).toEqual("11th");
-})
+});
 
 test("should return '12th' for 12", () => {
   expect(getOrdinalNumber(12)).toEqual("12th");
@@ -42,10 +42,50 @@ test("should return '13th' for 13", () => {
 
 test("should return '21st' for 21", () => {
   expect(getOrdinalNumber(21)).toEqual("21st");
-})
+});
+
+test("should return '23rd' for 23", () => {
+  expect(getOrdinalNumber(23)).toEqual("23rd");
+});
 
+test("should return '22nd' for 22", () => {
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+});
 
+test("should return '100th' for 100", () => {
+  expect(getOrdinalNumber(100)).toEqual("100th");
+});
 
 test("should return '111th' for 111", () => {
   expect(getOrdinalNumber(111)).toEqual("111th");
-});
+});
+
+test("should return '0th' for 0", () => {
+  expect(getOrdinalNumber(0)).toEqual("0th");
+});
+
+test("should return '-111th' for -111", () => {
+  expect(getOrdinalNumber(-111)).toEqual("-111th");
+});
+
+test("should return 'Invalid input: Input is an integer' for 1.52", () => {
+  expect(getOrdinalNumber(1.52)).toEqual("Invalid input: Input is an integer");
+});
+
+test("should return 'Invalid input: Input is an integer' for null", () => {
+  expect(getOrdinalNumber(null)).toEqual("Invalid input: Input is an integer");
+});
+
+test("should return 'Invalid input: Input is an integer' for undefined", () => {
+  expect(getOrdinalNumber(undefined)).toEqual(
+    "Invalid input: Input is an integer"
+  );
+});
+
+test("should return 'Invalid input: Input is an integer' for 'a'", () => {
+  expect(getOrdinalNumber("a")).toEqual("Invalid input: Input is an integer");
+});
+
+test("should return 'Invalid input: Input is an integer' for {}", () => {
+  expect(getOrdinalNumber({})).toEqual("Invalid input: Input is an integer");
+});