get ordinal test file update

Author: asandagwala

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

@@ -1,5 +1,21 @@
 function getOrdinalNumber(num) {
-  return "1st";
-}
+      let lastDigit = num % 10;
+      let lastTwoDigits = num % 100;
+      if (lastTwoDigits === 11 || lastTwoDigits === 12 || lastTwoDigits === 13) {
+    return `${num}th`;
+  }
+    if (lastDigit === 1) {
+    return `${num}st`;
+  } 
+  else if (lastDigit === 2) {
+    return `${num}nd`;
+  } 
+  else if (lastDigit === 3) {
+    return `${num}rd`;
+  } 
+  else {
+    return `${num}th`;
+  }
+  }
 
 module.exports = getOrdinalNumber;

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

@@ -18,3 +18,12 @@ 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("converts 1 to an ordinal number",  () => {
+  expect(getOrdinalNumber(1)).toEqual("1st");
+  expect(getOrdinalNumber(11)).toEqual("11th");
+});
+test("converts numbers to ordinal number",  () => {
+  expect(getOrdinalNumber(21)).toEqual("21st");
+  expect(getOrdinalNumber(33)).toEqual("33rd");
+  expect(getOrdinalNumber(13)).toEqual("13th");
+});