rewrite tests

Author: vmoratti

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

@@ -18,3 +18,38 @@ 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 return 'nd' for numbers ending with 2`, () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+  expect(getOrdinalNumber(122)).toEqual("122nd");
+});
+
+//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 add 'rd' for numbers ending with 3`, () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(23)).toEqual("23rd");
+  expect(getOrdinalNumber(123)).toEqual("123rd");
+});
+
+//Case 4: Numbers ending with 11, 12, 13.
+// When the number ends with 11, 12 and 13,
+// Then the function should return a string by appending "th" to the number.
+test(`should add 'th' to exceptions like 11, 12 and 13`, () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(12)).toEqual("12th");
+  expect(getOrdinalNumber(13)).toEqual("13th");
+});
+
+//Case 5: All other numbers that are not ending with 1, 2, 3, and that are not 11, 12, and 13.
+// the function should return corresponding string with "th" at the end
+test(`should add 'th' to every case that is not exceptional`, () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+  expect(getOrdinalNumber(555)).toEqual("555th");
+  expect(getOrdinalNumber(6666)).toEqual("6666th");
+});