- fix issue with TimeSeriesData.LoadFromCsv crashin if csv has just d…

…ates but no variables.

TimeSeriesAnalysis.Tests/TestData/test_edgecase_justdates.csv

@@ -0,0 +1,110 @@
+Time
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TimeSeriesAnalysis.Tests/TestData/test_edgecase_justdates2.csv

@@ -0,0 +1,110 @@
+Time;
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TimeSeriesAnalysis.Tests/Tests/CsvTest.cs

@@ -28,6 +28,27 @@ public void CSV_read(string filename)
             Assert.AreEqual(new double[,] { { Double.NaN, 1, 2 }, { Double.NaN, 3, 4 }, { Double.NaN, 5, 6 } }, doubleData);
         }
 
+        [TestCase(@"test_edgecase_justdates.csv", Description = "")]
+        [TestCase(@"test_edgecase_justdates2.csv", Description = "")]
+        public void CsvLoadAsTimeSeries_Edgecases_DoesNotCrash(string filename)
+        {
+            var ret = CSV.LoadDataFromCsvAsTimeSeries(@"..\..\..\TestData\" + filename, ';', out var dateTimes,
+                out var variables);
+        }
+
+        [TestCase(@"test_edgecase_justdates.csv", Description = "")]
+        [TestCase(@"test_edgecase_justdates2.csv", Description = "")]
+        public void TimeSeriesDataSet_LoadFromCsv_Edgecases_DoesNotCrash(string filename)
+        {
+            var csvTxt = File.ReadAllText(@"..\..\..\TestData\"+filename);
+            var dataset = new TimeSeriesDataSet();
+            var ret = dataset.LoadFromCsv(new CsvContent(csvTxt),';');
+            Assert.IsFalse(ret);
+        }
+
+
+
+
 
         [TestCase, Explicit]
         public void Xml_load()

TimeSeriesAnalysis.csproj

@@ -14,7 +14,7 @@
 	<RunAnalyzersDuringLiveAnalysis>False</RunAnalyzersDuringLiveAnalysis>
     	<RepositoryUrl>https://github.com/equinor/TimeSeriesAnalysis.git</RepositoryUrl>
     	<PackageReadmeFile>readme.md</PackageReadmeFile>
-    	<Version>1.3.39</Version>
+    	<Version>1.3.40</Version>
     	<Company>Equinor</Company>
     	<Authors>Equinor</Authors>
     	<IncludeSymbols>true</IncludeSymbols>

TimeSeriesAnalysis/TimeSeriesDataSet.cs

@@ -248,6 +248,10 @@ private bool Fill(DateTime[] dateTimes, Dictionary<string, double[]> variableDic
             {
                 variableDict.Remove("time");
             }
+            // if the file only included the "time" but no values
+            if (variableDict.Keys.Count() == 0)
+                return false;
+
             N = variableDict[variableDict.Keys.First()].Length;
             if (N == 0)
             {