test cases recategorising

Author: M-Abdoon

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

@@ -8,68 +8,51 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // When the number is 1,
 // Then the function should return "1st"
 
-test("should return '1st' for 1", () => {
+test("Numbers that end with `st`", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(101)).toEqual("101st");
+  expect(getOrdinalNumber(28491)).toEqual("28491st");
 });
 
-// Case 2: Identify the ordinal number for 1
-// except those ending in 12
-test("append 'nd' to numbers ending in 2, except those ending in 12", () => {
-    expect( getOrdinalNumber(2) ).toEqual("2nd");
-    expect( getOrdinalNumber(22) ).toEqual("22nd");
-    expect( getOrdinalNumber(132) ).toEqual("132nd");
+// Case 2: "Numbers that end with `nd`
+test("Numbers that end with `nd`", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(32)).toEqual("32nd");
+  expect(getOrdinalNumber(202)).toEqual("202nd");
+  expect(getOrdinalNumber(4502)).toEqual("4502nd");
+}
+
+// Case 3:: "Numbers that end with `rd`
+);
+
+test("Numbers that end with `rd`", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(43)).toEqual("43rd");
+  expect(getOrdinalNumber(123)).toEqual("123rd");
+  expect(getOrdinalNumber(6703)).toEqual("6703rd");
 });
 
-// Case 3: Identify the ordinal numbers for 3 to 12
-test("should return correct ordinal suffixes for numbers 3 to 12", () => {
-    expect( getOrdinalNumber(3) ).toEqual("3rd");
-    expect( getOrdinalNumber(4) ).toEqual("4th");
-    expect( getOrdinalNumber(5) ).toEqual("5th");
-    expect( getOrdinalNumber(6) ).toEqual("6th");
-    expect( getOrdinalNumber(7) ).toEqual("7th");
-    expect( getOrdinalNumber(8) ).toEqual("8th");
-    expect( getOrdinalNumber(9) ).toEqual("9th");
-    expect( getOrdinalNumber(10) ).toEqual("10th");
-    expect( getOrdinalNumber(11) ).toEqual("11th");
-    expect( getOrdinalNumber(12) ).toEqual("12th");
-});
-// Case 4: Identify the ordinal numbers for numbers above 12
-test("should return correct ordinal suffixes for numbers above 12", () => {
-    expect( getOrdinalNumber(13) ).toEqual("13th");
-    expect( getOrdinalNumber(19) ).toEqual("19th");
-    expect( getOrdinalNumber(23) ).toEqual("23rd");
-    expect( getOrdinalNumber(34) ).toEqual("34th");
-    expect( getOrdinalNumber(45) ).toEqual("45th");
-    expect( getOrdinalNumber(56) ).toEqual("56th");
-    expect( getOrdinalNumber(67) ).toEqual("67th");
-});
-
-// Case 5: Identify the ordinal numbers for numbers like 20 30 40 etc
-test("should return correct ordinal suffixes for multiples of ten", () => {
-    expect( getOrdinalNumber(20) ).toEqual("20th");
-    expect( getOrdinalNumber(30) ).toEqual("30th");
-    expect( getOrdinalNumber(70) ).toEqual("70th");
-    expect( getOrdinalNumber(50) ).toEqual("50th");
+// Case 4: "Numbers that end with `th`
+test("Numbers that end with `th`", () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(25)).toEqual("25th");
+  expect(getOrdinalNumber(1124)).toEqual("1124th");
+  expect(getOrdinalNumber(9999)).toEqual("9999th");
 });
 
-// Case 6: dealing with big numbers
-test("should return correct ordinal suffixes for big numbers", () => {
-    expect( getOrdinalNumber(111) ).toEqual("111th");
-    expect( getOrdinalNumber(4712) ).toEqual("4712th");
-    expect( getOrdinalNumber(10003) ).toEqual("10003rd");
-    expect( getOrdinalNumber(10012) ).toEqual("10012th");
+// Case 5: "Numbers that are exceptions (11, 12, 13)
+test("Numbers that are exceptions (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");
 });
 
-
-// Case 6: dealing with invalid inputs
-// test("should return error message", () => {
-//     expect( getOrdinalNumber(NaN) ).toEqual("Input must be a positive integer.");
-//     expect( getOrdinalNumber(Infinity) ).toEqual("Input must be a positive integer.");
-//     expect( getOrdinalNumber("hello") ).toEqual("Input must be a positive integer.");
-//     expect( getOrdinalNumber([0, 3]) ).toEqual("Input must be a positive integer.");
-// });
+// Case 6: "Non-positive integers (NaN, Infinity, non-integers)
 
 test("should throw an error stating that input must be a positive integer", () => {
     expect(() => getOrdinalNumber(NaN)).toThrow("Input must be a positive integer.");