solve excersise get-ordinal-number.test.js

Author: AbdennourHachemi

practice-tdd/get-ordinal-number.test.js

@@ -18,3 +18,33 @@ 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(32)).toEqual("32nd");
+  expect(getOrdinalNumber(452)).toEqual("452nd");
+});
+
+// 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(43)).toEqual("43rd");
+  expect(getOrdinalNumber(823)).toEqual("823rd");
+});
+
+// Case 4: Numbers ending with any other number (but not 1,2 or 3)
+// When the number ends with 4,5,6 ,7 ,8 or 9 ,
+// Then the function should return a string by appending "th" to the number.
+test("should append 'th' for numbers ending with 4,5,6 ,7 ,8 or 9 ", () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+  expect(getOrdinalNumber(25)).toEqual("25th");
+  expect(getOrdinalNumber(656)).toEqual("656th");
+  expect(getOrdinalNumber(1007)).toEqual("1007th");
+  expect(getOrdinalNumber(638398)).toEqual("638398th");
+  expect(getOrdinalNumber(34454559)).toEqual("34454559th");
+});