Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Data.TestUtil/CloneAssert.cs
===================================================================
diff -u -re7f6578ada32ed199d2b028ebb5eaeb691344592 -r4909d5c5d2883b3c6974f2f3840bd55797e8b0bd
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Data.TestUtil/CloneAssert.cs	(.../CloneAssert.cs)	(revision e7f6578ada32ed199d2b028ebb5eaeb691344592)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Data.TestUtil/CloneAssert.cs	(.../CloneAssert.cs)	(revision 4909d5c5d2883b3c6974f2f3840bd55797e8b0bd)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using NUnit.Framework;
+using Ringtoets.Common.Data.TestUtil;
 using BaseCloneAssert = Core.Common.Data.TestUtil.CloneAssert;
 using CommonCloneAssert = Ringtoets.Common.Data.TestUtil.CloneAssert;
 
@@ -89,5 +90,29 @@
             AreClones((HydraulicLoadsOutput) original, clone);
             Assert.AreEqual(original.OvertoppingRate, clone.OvertoppingRate);
         }
+
+        public static void AreClones(GrassCoverErosionInwardsInput original, GrassCoverErosionInwardsInput clone)
+        {
+            Assert.AreSame(original.DikeProfile, clone.DikeProfile);
+            Assert.AreEqual(original.Orientation, clone.Orientation);
+            Assert.AreEqual(original.DikeHeight, clone.DikeHeight);
+            BaseCloneAssert.AreClones(original.CriticalFlowRate, clone.CriticalFlowRate, DistributionAssert.AreEqual);
+            Assert.AreSame(original.HydraulicBoundaryLocation, clone.HydraulicBoundaryLocation);
+            Assert.AreEqual(original.DikeHeightCalculationType, clone.DikeHeightCalculationType);
+            Assert.AreEqual(original.OvertoppingRateCalculationType, clone.OvertoppingRateCalculationType);
+            Assert.AreEqual(original.ShouldDikeHeightIllustrationPointsBeCalculated, clone.ShouldDikeHeightIllustrationPointsBeCalculated);
+            Assert.AreEqual(original.ShouldOvertoppingRateIllustrationPointsBeCalculated, clone.ShouldOvertoppingRateIllustrationPointsBeCalculated);
+            Assert.AreEqual(original.ShouldOvertoppingOutputIllustrationPointsBeCalculated, clone.ShouldOvertoppingOutputIllustrationPointsBeCalculated);
+            Assert.AreEqual(original.UseBreakWater, clone.UseBreakWater);
+            BaseCloneAssert.AreClones(original.BreakWater, clone.BreakWater, CommonCloneAssert.AreClones);
+            Assert.AreEqual(original.UseForeshore, clone.UseForeshore);
+        }
+
+        public static void AreClones(GrassCoverErosionInwardsOutput o, GrassCoverErosionInwardsOutput c)
+        {
+            BaseCloneAssert.AreClones(o.OvertoppingOutput, c.OvertoppingOutput, AreClones);
+            BaseCloneAssert.AreClones(o.DikeHeightOutput, c.DikeHeightOutput, AreClones);
+            BaseCloneAssert.AreClones(o.OvertoppingRateOutput, c.OvertoppingRateOutput, AreClones);
+        }
     }
 }
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