Write additional tests

Author: Alaa-Tagi

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

@@ -12,49 +12,86 @@ test("should return '1st' for 1", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
 });
 
-// Case 2: Identify the ordinal number for 2
+/// Case 2: Identify the ordinal number for 2
 // When the number is 2,
 // Then the function should return "2nd"
-
 test("should return '2nd' for 2", () => {
   expect(getOrdinalNumber(2)).toEqual("2nd");
 });
 
 // Case 3: Identify the ordinal number for 3
 // When the number is 3,
 // Then the function should return "3rd"
-
 test("should return '3rd' for 3", () => {
   expect(getOrdinalNumber(3)).toEqual("3rd");
 });
 
 // Case 4: Identify the ordinal number for 4
 // When the number is 4,
 // Then the function should return "4th"
-
 test("should return '4th' for 4", () => {
   expect(getOrdinalNumber(4)).toEqual("4th");
 });
 
 // Case 5: Identify the ordinal number for 11
 // When the number is 11,
 // Then the function should return "11th"
-
 test("should return '11th' for 11", () => {
   expect(getOrdinalNumber(11)).toEqual("11th");
 });
 
 // Case 6: Identify the ordinal number for 22
 // When the number is 22,
 // Then the function should return "22nd"
-
 test("should return '22nd' for 22", () => {
   expect(getOrdinalNumber(22)).toEqual("22nd");
 });
+
 // Case 7: Identify the ordinal number for 33
 // When the number is 33,
 // Then the function should return "33rd"
-
 test("should return '33rd' for 33", () => {
   expect(getOrdinalNumber(33)).toEqual("33rd");
+});
+
+// Case 8: Undefined input
+// When the input is undefined,
+// Then the function should return "Invalid input"
+test("should handle undefined input gracefully", () => {
+  expect(getOrdinalNumber(undefined)).toEqual("Invalid input");
+});
+
+// Case 9: Null input
+// When the input is null,
+// Then the function should return "Invalid input"
+test("should handle null input gracefully", () => {
+  expect(getOrdinalNumber(null)).toEqual("Invalid input");
+});
+
+// Case 10: Boolean input
+// When the input is a boolean value,
+// Then the function should return "Invalid input"
+test("should handle boolean input gracefully", () => {
+  expect(getOrdinalNumber(true)).toEqual("Invalid input");
+});
+
+// Case 11: Non-numeric string input
+// When the input is a non-numeric string,
+// Then the function should return "Invalid input"
+test("should handle non-numeric string input gracefully", () => {
+  expect(getOrdinalNumber("hello")).toEqual("Invalid input");
+});
+
+// Case 12: Negative number
+// When the input is a negative number,
+// Then the function should return the ordinal form with a negative sign
+test("should return '-1st' for -1", () => {
+  expect(getOrdinalNumber(-1)).toEqual("-1st");
+});
+
+// Case 13: Floating number
+// When the input is a floating number,
+// Then the function should return the ordinal with decimal intact
+test("should handle decimal numbers", () => {
+  expect(getOrdinalNumber(21.5)).toEqual("21.5th");
 });