Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs
===================================================================
diff -u -r7172df944db7fd2d59d68a7a8def96110a44ed9b -r583456a0f5395189a54a8cedf4e4a7b40945d990
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision 7172df944db7fd2d59d68a7a8def96110a44ed9b)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision 583456a0f5395189a54a8cedf4e4a7b40945d990)
@@ -196,6 +196,21 @@
         }
 
         [Test]
+        public void GetHashCode_EqualStochasticSoilProfile_ReturnSameHashCode()
+        {
+            // Setup
+            var stochasticSoilProfileA = new StochasticSoilProfile(0.2, SoilProfileType.SoilProfile1D, 234);
+            var stochasticSoilProfileB = new StochasticSoilProfile(0.2, SoilProfileType.SoilProfile1D, 234);
+
+            // Call
+            int hashCodeOne = stochasticSoilProfileA.GetHashCode();
+            int hashCodeTwo = stochasticSoilProfileB.GetHashCode();
+
+            // Assert
+            Assert.AreEqual(hashCodeOne, hashCodeTwo);
+        }
+
+        [Test]
         public void ToString_WithNullName_ReturnsStringEmpty()
         {
             // Setup