added test jest cases to check the function working as intended

Author: bodoszidi

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

@@ -17,4 +17,37 @@ test("should append 'st' for numbers ending with 1, except those ending with 11"
   expect(getOrdinalNumber(1)).toEqual("1st");
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(131)).toEqual("131st");
+  expect(getOrdinalNumber(1101)).toEqual("1101st");
+});
+
+test("should append 'nd' for numbers ending with 2, except those ending with 12", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+  expect(getOrdinalNumber(132)).toEqual("132nd");
+  expect(getOrdinalNumber(22222)).toEqual("22222nd");
+});
+
+test("should append 'rd' for numbers ending with 3, except those ending with 13", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(23)).toEqual("23rd");
+  expect(getOrdinalNumber(133)).toEqual("133rd");
+  expect(getOrdinalNumber(33333)).toEqual("33333rd");
+});
+
+test("should append 'th' for numbers ending with 11, 12, 13", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(12)).toEqual("12th");
+  expect(getOrdinalNumber(13)).toEqual("13th");
+  expect(getOrdinalNumber(111)).toEqual("111th");
+  expect(getOrdinalNumber(112)).toEqual("112th");
+  expect(getOrdinalNumber(113)).toEqual("113th");
+  expect(getOrdinalNumber(11111)).toEqual("11111th");
+  expect(getOrdinalNumber(11112)).toEqual("11112th");
+  expect(getOrdinalNumber(11113)).toEqual("11113th");
+});
+
+test("should throw an error message", () => {
+  expect(() => {
+    getOrdinalNumber("Hello");
+  }).toThrow();
 });