Assert.assertTrue(datapoint.getSourceValue().charValue().compareTo("") == 0);
Assert.assertEquals(0, datapoint.getSourceTimestamp());
Assert.assertTrue(datapoint.getValue().charValue().compareTo("") == 0);
Assert.assertEquals(0, datapoint.getTimestamp());
//set value with timestamp
value.charValue("Test");
status = datapoint.setSourceValue(value, true);
Assert.assertEquals(-1, status);
Assert.assertTrue(datapoint.getSourceValue().charValue().compareTo("") == 0);
Assert.assertEquals(0, datapoint.getSourceTimestamp());
Assert.assertTrue(datapoint.getValue().charValue().compareTo("") == 0);