expanding vtable unit tests

Author: shroffk

epics-vtype/vtype/src/test/java/org/epics/vtype/VTableTest.java

@@ -12,8 +12,11 @@
 
 public class VTableTest {
 
+	/**
+	 * ignore the types and labels when determining the column count
+	 */
     @Test
-    public void testIVTable() {
+    public void testIVTableColumnCount() {
         VTable vTable = new IVTable(Arrays.asList(VInt.class, VDouble.class),
                 Arrays.asList("int"),
                 Arrays.asList(ArrayInteger.of(1, 2, 3), ArrayDouble.of(1.0, 2.0, 3.0), ArrayFloat.of(1.0f, 2.0f, 3.0f)));
@@ -26,4 +29,16 @@ public void testIVTable() {
         assertTrue(vTable.getColumnType(1).isAssignableFrom(VDouble.class));
         assertEquals("int", vTable.getColumnName(0));
     }
+    
+    /**
+     * NTTables support columns with different row counts, the table should return the max number of rows
+     */
+    @Test
+    public void testIVTableRowCount() {
+        VTable vTable = new IVTable(Arrays.asList(),
+                Arrays.asList("int"),
+                Arrays.asList(ArrayInteger.of(1, 2, 3), ArrayDouble.of(1.0, 2.0), ArrayFloat.of(1.0f)));
+
+        assertEquals(3, vTable.getRowCount());
+    }
 }