Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/PropertyClasses/DuneLocationsPropertiesTest.cs
===================================================================
diff -u -r27d409ea2f4b5e37e14cc057512f37e69b5e77c5 -ree1f859cae82b4321da205d5e1fd339b021f2d7d
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/PropertyClasses/DuneLocationsPropertiesTest.cs	(.../DuneLocationsPropertiesTest.cs)	(revision 27d409ea2f4b5e37e14cc057512f37e69b5e77c5)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/PropertyClasses/DuneLocationsPropertiesTest.cs	(.../DuneLocationsPropertiesTest.cs)	(revision ee1f859cae82b4321da205d5e1fd339b021f2d7d)
@@ -41,6 +41,17 @@
         private const int requiredLocationsPropertyIndex = 0;
 
         [Test]
+        public void Constructor_LocationsNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => new DuneLocationsProperties(null, hbl => new DuneLocationCalculation());
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("locations", exception.ParamName);
+        }
+
+        [Test]
         public void Constructor_GetCalculationFuncNull_ThrowsArgumentNullException()
         {
             // Call
@@ -108,6 +119,8 @@
             TypeConverter classTypeConverter = TypeDescriptor.GetConverter(properties, true);
             Assert.IsInstanceOf<TypeConverter>(classTypeConverter);
 
+            Assert.AreSame(locations, properties.Data);
+
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
             Assert.AreEqual(1, dynamicProperties.Count);