Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilModelReaderTest.cs
===================================================================
diff -u -rda8e78c538a77ceea5a0709122e9e28ef573507b -rc0bfe8e2e80f2b7430009493647a04c5c75cfcd3
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilModelReaderTest.cs	(.../StochasticSoilModelReaderTest.cs)	(revision da8e78c538a77ceea5a0709122e9e28ef573507b)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilModelReaderTest.cs	(.../StochasticSoilModelReaderTest.cs)	(revision c0bfe8e2e80f2b7430009493647a04c5c75cfcd3)
@@ -33,6 +33,8 @@
     public class StochasticSoilModelReaderTest
     {
         private readonly string testDataPath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO, nameof(StochasticSoilModelReader));
+        private readonly string constraintsReaderTestDataPath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO, nameof(SoilDatabaseConstraintsReader));
+        private readonly string versionReaderTestDataPath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO, nameof(SoilDatabaseVersionReader));
 
         [Test]
         public void Constructor_NonExistingPath_ThrowsCriticalFileReadException()
@@ -111,7 +113,7 @@
         public void Initialize_IncorrectVersion_ThrowsCriticalFileReadException()
         {
             // Setup
-            string dbFile = Path.Combine(testDataPath, "incorrectVersion.soil");
+            string dbFile = Path.Combine(versionReaderTestDataPath, "incorrectVersion.soil");
 
             using (var reader = new StochasticSoilModelReader(dbFile))
             {
@@ -130,5 +132,48 @@
 
             Assert.IsTrue(TestHelper.CanOpenFileForWrite(dbFile));
         }
+
+        [Test]
+        public void Initialize_InvalidSchemaThatPassesVersionValidation_ThrowsCriticalFileReadException()
+        {
+            // Setup
+            string dbFile = Path.Combine(constraintsReaderTestDataPath, "missingStochasticSoilModelTable.soil");
+
+            using (var reader = new StochasticSoilModelReader(dbFile))
+            {
+                // Call
+                TestDelegate test = () => reader.Initialize();
+
+                // Assert
+                var exception = Assert.Throws<CriticalFileReadException>(test);
+
+                string expectedMessage = new FileReaderErrorMessageBuilder(dbFile).Build(
+                    "Kan geen ondergrondmodellen lezen. Mogelijk bestaat de 'StochasticSoilModel' tabel niet.");
+                Assert.AreEqual(expectedMessage, exception.Message);
+            }
+
+            Assert.IsTrue(TestHelper.CanOpenFileForWrite(dbFile));
+        }
+
+        [Test]
+        public void Initialize_NonUniqueSoilModelNames_ThrowsCriticalFileReadException()
+        {
+            // Setup
+            string dbFile = Path.Combine(constraintsReaderTestDataPath, "nonUniqueSoilModelNames.soil");
+
+            using (var reader = new StochasticSoilModelReader(dbFile))
+            {
+                // Call
+                TestDelegate test = () => reader.Initialize();
+
+                // Assert
+                var exception = Assert.Throws<CriticalFileReadException>(test);
+
+                string expectedMessage = new FileReaderErrorMessageBuilder(dbFile).Build("Namen van ondergrondmodellen zijn niet uniek.");
+                Assert.AreEqual(expectedMessage, exception.Message);
+            }
+
+            Assert.IsTrue(TestHelper.CanOpenFileForWrite(dbFile));
+        }
     }
 }
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