Add more ege case tets.

Author: russom

Sprint-3/5-stretch-extend/format-time.js

@@ -4,51 +4,83 @@
 
 function formatAs12HourClock(time) {
   const hours = Number(time.slice(0, 2));
+  const minutes = time.slice(3, 5);
 
   if (hours === 0) {
-    return `12${time.slice(2)} am`;
+    return `12:${minutes} AM`;
   }
-
   if (hours === 12) {
-    return `${time} pm`;
+    return `12:${minutes} PM`;
   }
   if (hours > 12) {
-    return `${hours - 12}:00 pm`;
+    return `${hours - 12}:${minutes} PM`;
   }
-  return `${time} am`;
+  return `${time} AM`;
 }
 
-const currentOutput = formatAs12HourClock("08:00");
-const targetOutput = "08:00 am";
+const currentOutput1 = formatAs12HourClock("00:00");
+const targetOutput1 = "12:00 AM";
 console.assert(
-  currentOutput === targetOutput,
-  `current output: ${currentOutput}, target output: ${targetOutput}`,
+  currentOutput1 === targetOutput1,
+  `current output 1: ${currentOutput1}, target output: ${targetOutput1}`,
 );
 
-const currentOutput2 = formatAs12HourClock("23:00");
-const targetOutput2 = "11:00 pm";
+const currentOutput2 = formatAs12HourClock("00:01");
+const targetOutput2 = "12:01 AM";
 console.assert(
   currentOutput2 === targetOutput2,
-  `current output: ${currentOutput2}, target output: ${targetOutput2}`,
+  `current output 2: ${currentOutput2}, target output: ${targetOutput2}`,
 );
 
-const currentOutput3 = formatAs12HourClock("00:00");
-const targetOutput3 = "12:00 am";
+const currentOutput3 = formatAs12HourClock("08:00");
+const targetOutput3 = "08:00 AM";
 console.assert(
   currentOutput3 === targetOutput3,
-  `current output: ${currentOutput3}, target output: ${targetOutput3}`,
+  `current output 3: ${currentOutput3}, target output: ${targetOutput3}`,
 );
 
 const currentOutput4 = formatAs12HourClock("12:00");
-const targetOutput4 = "12:00 pm";
+const targetOutput4 = "12:00 PM";
 console.assert(
   currentOutput4 === targetOutput4,
-  `current output: ${currentOutput4}, target output: ${targetOutput4}`,
+  `current output 4: ${currentOutput4}, target output: ${targetOutput4}`,
 );
 
-const currentOutput4 = formatAs12HourClock("12:00");
-const targetOutput4 = "12:00 pm";
+const currentOutput5 = formatAs12HourClock("12:01");
+const targetOutput5 = "12:01 PM";
 console.assert(
-  currentOutput4 === targetOutput4,
-  `current output: ${currentOutput4}, target output: ${targetOutput4}`,
-);
+  currentOutput5 === targetOutput5,
+  `current output 5: ${currentOutput5}, target output: ${targetOutput5}`,
+);
+
+const currentOutput6 = formatAs12HourClock("13:00");
+const targetOutput6 = "1:00 PM";
+console.assert(
+  currentOutput6 === targetOutput6,
+  `current output 6: ${currentOutput6}, target output: ${targetOutput6}`,
+);
+
+const currentOutput7 = formatAs12HourClock("23:00");
+const targetOutput7 = "11:00 PM";
+console.assert(
+  currentOutput7 === targetOutput7,
+  `current output 7: ${currentOutput7}, target output: ${targetOutput7}`,
+);
+
+const currentOutput8 = formatAs12HourClock("23:59");
+const targetOutput8 = "11:59 PM";
+console.assert(
+  currentOutput8 === targetOutput8,
+  `current output 8: ${currentOutput8}, target output: ${targetOutput8}`,
+);
+
+// Edge test cases tested for:
+
+// 1) 00:00 -> 12:00 AM
+// 2) 00:01 -> 12:01 AM
+// 3) 08:00 -> 08:00 am
+// 4) 12:00 -> 12:00 PM
+// 5) 12:01 -> 12:01 PM
+// 6) 13:00 -> 1:00 PM
+// 7) 23:00 -> 11:00 PM
+// 8) 23:59 -> 11:59 PM