Add additional input groups to reveal bugs

Author: Niangh-Ciang

Sprint-2/5-stretch-extend/format-time.js

@@ -7,6 +7,13 @@ function formatAs12HourClock(time) {
   if (hours > 12) {
     return `${hours - 12}:00 pm`;
   }
+  if (hours === 12) {
+    return `${hours}:00 pm`;
+  }
+  if (hours === 0) {
+    const minutes = time.slice(3, 5);
+    return `12:${minutes} am`;
+  }
   return `${time} am`;
 }
 
@@ -23,3 +30,21 @@ console.assert(
   currentOutput2 === targetOutput2,
   `current output: ${currentOutput2}, target output: ${targetOutput2}`
 );
+const currentOutput3 = formatAs12HourClock("12:00");
+const targetOutput3 = "12:00 pm";
+console.assert(
+  currentOutput3 === targetOutput3,
+  `current output: ${currentOutput3}, target output: ${targetOutput3}`
+);
+const currentOutput4 = formatAs12HourClock("00:00");
+const targetOutput4 = "12:00 am";
+console.assert(
+  currentOutput4 === targetOutput4,
+  `current output: ${currentOutput4}, target output: ${targetOutput4}`
+);
+const currentOutput5 = formatAs12HourClock("00:30");
+const targetOutput5 = "12:30 am";
+console.assert(
+  currentOutput5 === targetOutput5,
+  `current output: ${currentOutput5}, target output: ${targetOutput5}`
+);