Write tests for get-ordinal-number.js

Author: Vitalii-code

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

@@ -18,3 +18,54 @@ test("should append 'st' for numbers ending with 1, except those ending with 11"
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(131)).toEqual("131st");
 });
+
+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");
+});
+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");
+});
+test("should append 'th' for numbers ending with 0, 4-9, 11, 12, 13", () => {
+  // 0
+  expect(getOrdinalNumber(0)).toEqual("0th");
+  expect(getOrdinalNumber(10)).toEqual("10th");
+  expect(getOrdinalNumber(100)).toEqual("100th");
+  // 4
+  expect(getOrdinalNumber(4)).toEqual("4th");
+  expect(getOrdinalNumber(24)).toEqual("24th");
+  expect(getOrdinalNumber(134)).toEqual("134th");
+
+  // 5
+  expect(getOrdinalNumber(5)).toEqual("5th");
+  expect(getOrdinalNumber(25)).toEqual("25th");
+  expect(getOrdinalNumber(135)).toEqual("135th");
+
+  // 6
+  expect(getOrdinalNumber(6)).toEqual("6th");
+  expect(getOrdinalNumber(26)).toEqual("26th");
+  expect(getOrdinalNumber(136)).toEqual("136th");
+
+  // 7
+  expect(getOrdinalNumber(7)).toEqual("7th");
+  expect(getOrdinalNumber(27)).toEqual("27th");
+  expect(getOrdinalNumber(137)).toEqual("137th");
+
+  // 8
+  expect(getOrdinalNumber(8)).toEqual("8th");
+  expect(getOrdinalNumber(28)).toEqual("28th");
+  expect(getOrdinalNumber(138)).toEqual("138th");
+
+  // 9
+  expect(getOrdinalNumber(9)).toEqual("9th");
+  expect(getOrdinalNumber(29)).toEqual("29th");
+  expect(getOrdinalNumber(139)).toEqual("139th");
+});
+
+// edge cases
+test("should throw an error when given a wrong input type", () => {
+  expect(getOrdinalNumber("string")).toThrow(Error);
+});