loader.setLocation("a,b\tc", job);
RecordReader reader = EasyMock.createMock(RecordReader.class);
PigSplit split = EasyMock.createMock(PigSplit.class);
EasyMock.expect(split.getConf()).andStubReturn(conf);
loader.prepareToRead(reader, split);
Tuple next = loader.getNext();
assertEquals("a", next.get(0));
assertEquals("b\tc", next.get(1));
}