Fixed an issue with "EssentialsWeek.GetEnumerator" not properly taking dayligt savings into account

Author: abjerner

src/Skybrud.Essentials/Time/EssentialsWeek.cs

@@ -177,9 +177,14 @@ public EssentialsWeek GetNextWeek() {
         /// </summary>
         /// <returns>An enumerator that can be used to iterate through the days of the week.</returns>
         public IEnumerator<EssentialsDate> GetEnumerator() {
-            for (EssentialsTime day = Start; day < End; day = day.AddDays(1)) {
-                yield return new EssentialsDate(day);
+
+            EssentialsDate start = new EssentialsDate(Start);
+            EssentialsDate end = new EssentialsDate(End);
+
+            for (EssentialsDate day = start; day <= end; day = day.AddDays(1)) {
+                yield return day;
             }
+
         }
 
         IEnumerator IEnumerable.GetEnumerator() {

src/UnitTestProject1/Time/Time/EssentialsWeekTests.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Linq;
+using System.Text;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Skybrud.Essentials.Time;
 
@@ -198,6 +200,45 @@ public void GetNextWeek() {
 
         }
 
+        [TestMethod]
+        public void GetEnumerator() {
+
+            TimeZoneInfo romance = TimeZoneInfo.FindSystemTimeZoneById("Romance Standard Time");
+
+            var date = new EssentialsDate(2019, 10, 24);
+
+            EssentialsWeek week = new EssentialsWeek(date, romance);
+
+            Assert.AreEqual("2019-10-21T00:00:00+02:00", week.Start.ToString(), "Start");
+            Assert.AreEqual("2019-10-27T23:59:59+01:00", week.End.ToString(), "End");
+
+            EssentialsDate[] days = week.ToArray();
+
+            Assert.AreEqual(7, days.Length);
+
+            Assert.AreEqual(DayOfWeek.Monday, days[0].DayOfWeek);
+            Assert.AreEqual("2019-10-21", days[0].ToString());
+
+            Assert.AreEqual(DayOfWeek.Tuesday, days[1].DayOfWeek);
+            Assert.AreEqual("2019-10-22", days[1].ToString());
+
+            Assert.AreEqual(DayOfWeek.Wednesday, days[2].DayOfWeek);
+            Assert.AreEqual("2019-10-23", days[2].ToString());
+
+            Assert.AreEqual(DayOfWeek.Thursday, days[3].DayOfWeek);
+            Assert.AreEqual("2019-10-24", days[3].ToString());
+
+            Assert.AreEqual(DayOfWeek.Friday, days[4].DayOfWeek);
+            Assert.AreEqual("2019-10-25", days[4].ToString());
+
+            Assert.AreEqual(DayOfWeek.Saturday, days[5].DayOfWeek);
+            Assert.AreEqual("2019-10-26", days[5].ToString());
+
+            Assert.AreEqual(DayOfWeek.Sunday, days[6].DayOfWeek);
+            Assert.AreEqual("2019-10-27", days[6].ToString());
+
+        }
+
     }
 
 }