Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/GeneralResultTest.cs
===================================================================
diff -u -r268c1647f0094f6c43aeceaa5793437562cffe5a -re0c69303985f5ad57106c5b7f18700d1a16ae3b3
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/GeneralResultTest.cs	(.../GeneralResultTest.cs)	(revision 268c1647f0094f6c43aeceaa5793437562cffe5a)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/GeneralResultTest.cs	(.../GeneralResultTest.cs)	(revision e0c69303985f5ad57106c5b7f18700d1a16ae3b3)
@@ -103,6 +103,58 @@
         }
 
         [Test]
+        public void Constructor_StochastNotUnique_ThrowArgumentException()
+        {
+            // Setup
+            WindDirection windDirection = WindDirectionTestFactory.CreateTestWindDirection();
+            var stochasts = new[]
+            {
+                new Stochast("unique", 0, 0),
+                new Stochast("non-unique", 0, 0),
+                new Stochast("non-unique", 0, 0),
+                new Stochast("nonunique", 0, 0),
+                new Stochast("nonunique", 0, 0)
+            };
+            IEnumerable<TopLevelIllustrationPointBase> topLevelIllustrationPoints =
+                Enumerable.Empty<TopLevelIllustrationPointBase>();
+
+            // Call
+            TestDelegate test = () => new GeneralResult<TopLevelIllustrationPointBase>(windDirection,
+                                                                                       stochasts,
+                                                                                       topLevelIllustrationPoints);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentException>(test);
+            Assert.AreEqual("Een of meerdere stochasten hebben dezelfde naam. " +
+                            "Het uitlezen van illustratiepunten wordt overgeslagen.",
+                            exception.Message);
+        }
+
+        [Test]
+        public void Constructor_IllustrationPointsNotUnique_ThrowArgumentException()
+        {
+            // Setup
+            WindDirection windDirection = WindDirectionTestFactory.CreateTestWindDirection();
+            IEnumerable<Stochast> stochasts = Enumerable.Empty<Stochast>();
+            IEnumerable<TopLevelIllustrationPointBase> topLevelIllustrationPoints = new[]
+            {
+                new TopLevelIllustrationPoint(new WindDirection("N", 0.5), "not unique"),
+                new TopLevelIllustrationPoint(new WindDirection("N", 0.5), "not unique")
+            };
+
+            // Call
+            TestDelegate test = () => new GeneralResult<TopLevelIllustrationPointBase>(windDirection,
+                                                                                       stochasts,
+                                                                                       topLevelIllustrationPoints);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentException>(test);
+            Assert.AreEqual("Een of meerdere illustratiepunten hebben dezelfde sluitscenario en windrichting. " +
+                            "Het uitlezen van illustratiepunten wordt overgeslagen.",
+                            exception.Message);
+        }
+
+        [Test]
         public void Clone_Always_ReturnNewInstanceWithCopiedValues()
         {
             // Setup
@@ -119,8 +171,8 @@
                                                                             },
                                                                             new[]
                                                                             {
-                                                                                new TestTopLevelIllustrationPoint(),
-                                                                                new TestTopLevelIllustrationPoint()
+                                                                                new TestTopLevelIllustrationPoint("situation 1"),
+                                                                                new TestTopLevelIllustrationPoint("situation 2")
                                                                             });
 
             // Call
@@ -129,5 +181,11 @@
             // Assert
             CoreCloneAssert.AreObjectClones(original, clone, CommonCloneAssert.AreClones);
         }
+
+        private class TopLevelIllustrationPoint : TopLevelIllustrationPointBase
+        {
+            public TopLevelIllustrationPoint(WindDirection windDirection, string closingSituation)
+                : base(windDirection, closingSituation) {}
+        }
     }
 }
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