the get-ordinal-number test is done

Author: HadiVahidi20

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

@@ -1,5 +1,17 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  const twoLastDig = num % 100;
+  if (twoLastDig === 11 || twoLastDig === 12 || twoLastDig === 13) {
+    return num + "th";
+  }
+
+  const lastDig = num % 10;
+  if (lastDig === 1) return num + "st";
+  if (lastDig === 2) return num + "nd";
+  if (lastDig === 3) return num + "rd";
+  return num + "th";
 }
 
+
+
+
 module.exports = getOrdinalNumber;

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

@@ -11,3 +11,33 @@ const getOrdinalNumber = require("./get-ordinal-number");
 test("should return '1st' for 1", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
 });
+test("should return '11th' for 11", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+});
+
+test("should return '2nd' for 2", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+});
+
+
+test("should return '23rd' for 23rd", () => {
+  expect(getOrdinalNumber(23)).toEqual("23rd");
+});
+test("should return '3rd' for 3", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+});
+test("should return '4th' for 4", () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+});
+
+test("should return '12th' for 12", () => {
+  expect(getOrdinalNumber(12)).toEqual("12th");
+});
+test("should return '13th' for 13", () => {
+  expect(getOrdinalNumber(13)).toEqual("13th");
+});
+
+
+test("should return '101st' for 101", () => {
+  expect(getOrdinalNumber(101)).toEqual("101st");
+});