Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Read/ReadConversionCollectorTest.cs
===================================================================
diff -u -re42bdf3dd379c46bab9212eb7b30f4754c9bc91c -r9ee8f17742a5407fd9453aeb12f20cfedb20c73e
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Read/ReadConversionCollectorTest.cs	(.../ReadConversionCollectorTest.cs)	(revision e42bdf3dd379c46bab9212eb7b30f4754c9bc91c)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Read/ReadConversionCollectorTest.cs	(.../ReadConversionCollectorTest.cs)	(revision 9ee8f17742a5407fd9453aeb12f20cfedb20c73e)
@@ -25,6 +25,8 @@
 using Application.Ringtoets.Storage.TestUtil;
 using Core.Common.Base.Geometry;
 using NUnit.Framework;
+using Ringtoets.ClosingStructures.Data;
+using Ringtoets.ClosingStructures.Data.TestUtil;
 using Ringtoets.Common.Data.DikeProfiles;
 using Ringtoets.GrassCoverErosionInwards.Data;
 using Ringtoets.HeightStructures.Data;
@@ -1547,5 +1549,154 @@
         }
 
         #endregion
+
+        #region ClosingStructureEntity: Read, Contains, Get
+
+        [Test]
+        public void Contains_WithoutClosingStructureEntity_ThrowsArgumentNullException()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+
+            // Call
+            TestDelegate test = () => collector.Contains((ClosingStructureEntity)null);
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("entity", paramName);
+        }
+
+        [Test]
+        public void Contains_ClosingStructureEntityAdded_ReturnsTrue()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+            var entity = new ClosingStructureEntity();
+            collector.Read(entity, new TestClosingStructure());
+
+            // Call
+            var result = collector.Contains(entity);
+
+            // Assert
+            Assert.IsTrue(result);
+        }
+
+        [Test]
+        public void Contains_NoClosingStructureEntityAdded_ReturnsFalse()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+            var entity = new ClosingStructureEntity();
+
+            // Call
+            var result = collector.Contains(entity);
+
+            // Assert
+            Assert.IsFalse(result);
+        }
+
+        [Test]
+        public void Contains_OtherClosingStructureEntityAdded_ReturnsFalse()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+            var entity = new ClosingStructureEntity();
+            collector.Read(new ClosingStructureEntity(), new TestClosingStructure());
+
+            // Call
+            var result = collector.Contains(entity);
+
+            // Assert
+            Assert.IsFalse(result);
+        }
+
+        [Test]
+        public void Get_WithoutClosingStructureEntity_ThrowsArgumentNullException()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+
+            // Call
+            TestDelegate test = () => collector.Get((ClosingStructureEntity)null);
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("entity", paramName);
+        }
+
+        [Test]
+        public void Get_ClosingStructureEntityAdded_ReturnsHeightStructure()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+            ClosingStructure structure = new TestClosingStructure();
+            var entity = new ClosingStructureEntity();
+            collector.Read(entity, structure);
+
+            // Call
+            var result = collector.Get(entity);
+
+            // Assert
+            Assert.AreSame(structure, result);
+        }
+
+        [Test]
+        public void Get_NoClosingStructureEntityAdded_ThrowsInvalidOperationException()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+            var entity = new ClosingStructureEntity();
+
+            // Call
+            TestDelegate test = () => collector.Get(entity);
+
+            // Assert
+            Assert.Throws<InvalidOperationException>(test);
+        }
+
+        [Test]
+        public void Get_OtherClosingStructureEntityAdded_ThrowsInvalidOperationException()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+            var entity = new ClosingStructureEntity();
+            collector.Read(new ClosingStructureEntity(), new TestClosingStructure());
+
+            // Call
+            TestDelegate test = () => collector.Get(entity);
+
+            // Assert
+            Assert.Throws<InvalidOperationException>(test);
+        }
+
+        [Test]
+        public void Read_WithNullClosingStructureEntity_ThrowsArgumentNullException()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+
+            // Call
+            TestDelegate test = () => collector.Read(null, new TestClosingStructure());
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("entity", paramName);
+        }
+
+        [Test]
+        public void Read_WithNullClosingStructureForClosingStructureEntity_ThrowsArgumentNullException()
+        {
+            // Setup
+            var collector = new ReadConversionCollector();
+
+            // Call
+            TestDelegate test = () => collector.Read(new ClosingStructureEntity(), null);
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("model", paramName);
+        }
+
+        #endregion
     }
 }
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