@Test
 public void testSetVariableName() throws Exception {
   assertNull(setSessionVariableMeta.getVariableName());
   String[] variableName = new String[] {"value1", "value2"};
   setSessionVariableMeta.setVariableName(variableName);
   assertEquals(variableName, setSessionVariableMeta.getVariableName());
 }
 @Test
 public void testAllocate() {
   final int size = 100;
   setSessionVariableMeta.allocate(size);
   assertAllocate(size, setSessionVariableMeta.getFieldName());
   assertAllocate(size, setSessionVariableMeta.getVariableName());
   assertAllocate(size, setSessionVariableMeta.getDefaultValue());
 }