Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/Structures/StructuresOutputTest.cs
===================================================================
diff -u -r21f9de0d12327b2d4319a2e78055d11c66cc7300 -re6671f07e31bef1e5617d8998ce01be60cc648d2
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/Structures/StructuresOutputTest.cs	(.../StructuresOutputTest.cs)	(revision 21f9de0d12327b2d4319a2e78055d11c66cc7300)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/Structures/StructuresOutputTest.cs	(.../StructuresOutputTest.cs)	(revision e6671f07e31bef1e5617d8998ce01be60cc648d2)
@@ -31,24 +31,31 @@
     public class StructuresOutputTest
     {
         [Test]
-        public void Constructor_ProbabilityAssessmentNull_ThrowsArgumentNullException()
+        [TestCase(true)]
+        [TestCase(false)]
+        public void Constructor_ProbabilityAssessmentNull_ThrowsArgumentNullException(bool withIllustrationPoints)
         {
+            // Setup
+            TestGeneralResultFaultTreeIllustrationPoint generalResult = withIllustrationPoints
+                                                                            ? new TestGeneralResultFaultTreeIllustrationPoint()
+                                                                            : null;
+
             // Call
-            TestDelegate call = () => new StructuresOutput(null);
+            TestDelegate call = () => new StructuresOutput(null, generalResult);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(call);
             Assert.AreEqual("probabilityAssessmentOutput", exception.ParamName);
         }
 
         [Test]
-        public void Constructor_ValidProbabilityAssessmentOutput_ReturnsExpectedProperties()
+        public void Constructor_ValidProbabilityAssessmentOutputAndGeneralResultNulls_ReturnsExpectedProperties()
         {
             // Setup
             var output = new TestProbabilityAssessmentOutput();
 
             // Call
-            var structuresOutput = new StructuresOutput(output);
+            var structuresOutput = new StructuresOutput(output, null);
 
             // Assert
             Assert.AreSame(output, structuresOutput.ProbabilityAssessmentOutput);
@@ -67,6 +74,7 @@
             var structuresOutput = new StructuresOutput(probabilityAssessmentOutput, generalResult);
 
             // Assert
+            Assert.AreSame(probabilityAssessmentOutput, structuresOutput.ProbabilityAssessmentOutput);
             Assert.AreSame(generalResult, structuresOutput.GeneralResult);
             Assert.IsTrue(structuresOutput.HasGeneralResult);
         }