added edge case tests for time converter function

Author: marscancode

format-clock-edge-cases/timeConverter.test.js

@@ -1,11 +1,43 @@
-import {formatAs12HourClock} from "./timeConverter.js";
+import { formatAs12HourClock } from "./timeConverter.js";
 import assert from "node:assert";
 import test from "node:test";
 
-test("correctly convert time after 12:00", function(){
-    assert.equal(formatAs12HourClock("23:00"), "11:00 pm");
+test("correctly convert time after 12:00", function () {
+  assert.equal(formatAs12HourClock("23:00"), "11:00 pm");
 });
 
-test("can correctly convert morning time", function() {
-    assert.equal(formatAs12HourClock("08:00"), "08:00 am");
+test("can correctly convert morning time", function () {
+  assert.equal(formatAs12HourClock("08:00"), "08:00 am");
+});
+
+test("can correctly convert midnight", function () {
+  assert.equal(formatAs12HourClock("00:00"), "12:00 am");
+});
+
+test("correctly convert time 1 hour before 12:00", function () {
+  assert.equal(formatAs12HourClock("11:00"), "11:00 am");
+});
+
+test("correctly convert time 2 hours before 12:00", function () {
+  assert.equal(formatAs12HourClock("10:00"), "10:00 am");
+});
+
+test("correctly convert time 3 hours before 12:00", function () {
+  assert.equal(formatAs12HourClock("09:00"), "09:00 am");
+});
+
+test("can correctly convert every half hour before 12:00", function () {
+  assert.equal(formatAs12HourClock("09:30"), "09:30 am");
+});
+
+test("can correctly convert hours in the afternoon", function () {
+  assert.equal(formatAs12HourClock("13:00"), "1:00 pm");
+});
+
+test("correctly convert half hour after 12:00", function () {
+  assert.equal(formatAs12HourClock("13:30"), "1:30 pm");
+});
+
+test("correctly convert half hour after 12:00", function () {
+  assert.equal(formatAs12HourClock("23:30"), "11:30 pm");
 });