diff --git a/Meade.net.UnitTests/SharedResourcesUnitTests.cs b/Meade.net.UnitTests/SharedResourcesUnitTests.cs
index e936814..8c5fb79 100644
--- a/Meade.net.UnitTests/SharedResourcesUnitTests.cs
+++ b/Meade.net.UnitTests/SharedResourcesUnitTests.cs
@@ -1,6 +1,7 @@
 
 using System;
 using System.Globalization;
+using ASCOM.DeviceInterface;
 using ASCOM.Meade.net;
 using ASCOM.Meade.net.Wrapper;
 using ASCOM.Utilities.Interfaces;
@@ -618,5 +619,35 @@ namespace Meade.net.UnitTests
 
             _traceLoggerMock.Verify( x => x.LogIssue("Connect", "Unable to decode response from the telescope, This is likely a hardware serial communications error."), Times.Once);
         }
+
+        [Test]
+        public void CheckIsParkedIsFalseByDefault() => Assert.That(SharedResources.IsParked, Is.False);
+
+        [Test]
+        public void CheckParkedPositionIsNullByDefault() => Assert.That(SharedResources.ParkedPosition, Is.Null);
+
+        [Test]
+        public void CheckIsLongFormatIsFalseByDefault() => Assert.That(SharedResources.IsLongFormat, Is.False);
+
+        [Test]
+        public void CheckMovingPrimaryIsFalseBydefault() => Assert.That(SharedResources.MovingPrimary, Is.False);
+
+        [Test]
+        public void CheckMovingSecondaryIsFalseBydefault() => Assert.That(SharedResources.MovingSecondary, Is.False);
+
+        [Test]
+        public void CheckSideOfPierIsUnknownByDefault() => Assert.That(SharedResources.SideOfPier, Is.EqualTo(PierSide.pierUnknown));
+
+        [Test]
+        public void CheckSlewSettleTimeIsZeroByDefault() => Assert.That(SharedResources.SlewSettleTime, Is.EqualTo((short)0));
+
+        [Test]
+        public void CheckEarliestNonNonSlewingTimeIsMinValueByDefault() => Assert.That(SharedResources.EarliestNonSlewingTime, Is.EqualTo(DateTime.MinValue));
+
+        [Test]
+        public void CheckTargetDeclinationIsNullByDefault() => Assert.That(SharedResources.TargetDeclination.HasValue, Is.False);
+
+        [Test]
+        public void CheckTargetRightAscensionIsNullByDefault() => Assert.That(SharedResources.TargetRightAscension.HasValue, Is.False);
     }
 }