Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Parsers/OvertoppingCalculationWaveHeightParserTest.cs
===================================================================
diff -u -rae5c94bea6f603eeafeed527190799ce2b049002 -r57c9aff5c1e30cb83c1cc2f33c7ce97dfe8d04fe
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Parsers/OvertoppingCalculationWaveHeightParserTest.cs	(.../OvertoppingCalculationWaveHeightParserTest.cs)	(revision ae5c94bea6f603eeafeed527190799ce2b049002)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Parsers/OvertoppingCalculationWaveHeightParserTest.cs	(.../OvertoppingCalculationWaveHeightParserTest.cs)	(revision 57c9aff5c1e30cb83c1cc2f33c7ce97dfe8d04fe)
@@ -101,7 +101,6 @@
         [Test]
         [TestCase("EmptyDatabase")]
         [TestCase("EmptyTableDesignBeta")]
-        [TestCase("EmptyTableDesignPointResults")]
         [TestCase("EmptyTableGoverningWind")]
         public void Parse_WithDataNotComplete_ThrowsHydraRingFileParserException(string subFolder)
         {
@@ -155,36 +154,35 @@
         }
 
         [Test]
-        public void Parse_NotAllColumnsHaveResults_ThrowsHydraRingFileParserException()
+        [TestCase(validFileOvertoppingDominant, 0.265866, true)]
+        [TestCase("ValidFileOvertoppingNotDominant", 0.000355406, false)]
+        public void Parse_ValidData_OutputSet(string file, double expectedWaveHeight, bool expectedOvertoppingDominant)
         {
             // Setup
-            string path = Path.Combine(testDirectory, "ValidFileNoWaveHeight");
+            string path = Path.Combine(testDirectory, file);
             var parser = new OvertoppingCalculationWaveHeightParser();
 
             // Call
-            TestDelegate test = () => parser.Parse(path, 1);
+            parser.Parse(path, 1);
 
             // Assert
-            var exception = Assert.Throws<HydraRingFileParserException>(test);
-            Assert.AreEqual("Er is geen resultaat voor overslag en overloop gevonden in de Hydra-Ring uitvoerdatabase.", exception.Message);
-            Assert.IsInstanceOf<InvalidCastException>(exception.InnerException);
+            Assert.AreEqual(expectedWaveHeight, parser.Output.WaveHeight, 1e-11);
+            Assert.AreEqual(expectedOvertoppingDominant, parser.Output.IsOvertoppingDominant);
         }
 
         [Test]
-        [TestCase(validFileOvertoppingDominant, 0.265866, true)]
-        [TestCase("ValidFileOvertoppingNotDominant", 0.000355406, false)]
-        public void Parse_ValidData_OutputSet(string file, double expectedWaveHeight, bool expectedOvertoppingDominant)
+        public void Parse_WaveHeightNull_OutputSet()
         {
             // Setup
-            string path = Path.Combine(testDirectory, file);
+            string path = Path.Combine(testDirectory, "ValidFileWaveHeightNull");
             var parser = new OvertoppingCalculationWaveHeightParser();
 
             // Call
             parser.Parse(path, 1);
 
             // Assert
-            Assert.AreEqual(expectedWaveHeight, parser.Output.WaveHeight, 1e-11);
-            Assert.AreEqual(expectedOvertoppingDominant, parser.Output.IsOvertoppingDominant);
+            Assert.IsNaN(parser.Output.WaveHeight);
+            Assert.IsFalse(parser.Output.IsOvertoppingDominant);
         }
     }
 }
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