    @Test
    public void testGetDataValue() {

        Column columnA = new Column();
        columnA.setType(INTEGER);
        columnA.setDataSequence(DataSequence.SEQUENTIAL);
        columnA.setMinValue(1);
        columnA.setMaxValue(3);

        generator = new SequentialIntegerDataGenerator(columnA);
        DataValue result1 = generator.getDataValue();
        assertEquals("1", result1.getValue());
        DataValue result2 = generator.getDataValue();
        assertEquals("2", result2.getValue());
        DataValue result3 = generator.getDataValue();
        assertEquals("3", result3.getValue());
        DataValue result4 = generator.getDataValue();
        assertEquals("1", result4.getValue());
    }