[github-164] Fix Bug in XSSFTable.setCellReferences when table is single cell.

ooxml/XSSF/UserModel/XSSFTable.cs

@@ -530,11 +530,11 @@ public CellReference EndCellReference
       */
         private void SetCellReferences()
         {
-            String ref1 = ctTable.@ref;
+            string ref1 = ctTable.@ref;
             if (ref1 != null) {
-                String[] boundaries = ref1.Split(new char[] { ':' }, 2);
-                String from = boundaries[0];
-                String to = boundaries[1];
+                string[] boundaries = ref1.Split(new char[] { ':' }, 2);
+                string from = boundaries[0];
+                string to = boundaries.Length == 2 ? boundaries[1] : boundaries[0];
                 startCellReference = new CellReference(from);
                 endCellReference = new CellReference(to);
             }

testcases/ooxml/XSSF/UserModel/TestXSSFTable.cs

@@ -287,5 +287,14 @@ public void FormatAsTable()
             wb.Close();
         }
 
+        [Test]
+        public void GetEndCellReferenceFromSingleCellTable()
+        {
+            XSSFWorkbook wb = XSSFTestDataSamples.OpenSampleWorkbook("SingleCellTable.xlsx");
+            XSSFTable table = wb.GetTable("Table3");
+            Assert.AreEqual(new CellReference("A2"), table.EndCellReference);
+            wb.Close();
+        }
+
     }
 }