Better debug assertions

NetTopologySuite · Jan 17, 2019 · 1f5699e · 1f5699e
1 parent b27ac38
commit 1f5699e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/NetTopologySuite.IO.PostGis/PostGisWriter.cs b/NetTopologySuite.IO.PostGis/PostGisWriter.cs
@@ -149,13 +149,13 @@ private static void Write(ICoordinateSequence sequence, Ordinates ordinates, Bin
                 if ((ordinates & Ordinates.Z) != 0)
                 {
                     double z = sequence.GetOrdinate(i, Ordinate.Z);
-                    Debug.Assert(!double.IsNaN(z));
+                    Debug.Assert(!double.IsNaN(z), "Geom seemed to have a Z coordinate, but trying to get the value yielded NaN");
                     writer.Write(z);
                 }
                 if ((ordinates & Ordinates.M) != 0)
                 {
                     double m = sequence.GetOrdinate(i, Ordinate.M);
-                    Debug.Assert(!double.IsNaN(m));
+                    Debug.Assert(!double.IsNaN(m), "Geom seemed to have a M coordinate, but trying to get the value yielded NaN");
                     writer.Write(m);
                 }
             }