public void testEmptyIntervalSetHandling() throws Exception {
GenomeLocParser genomeLocParser = new GenomeLocParser(ArtificialSAMUtils.createArtificialSamHeader(1, 1, 1000).getSequenceDictionary());
GenomeAnalysisEngine testEngine = new GenomeAnalysisEngine();
testEngine.setWalker(new PrintReads());
testEngine.setIntervals(new GenomeLocSortedSet(genomeLocParser));
testEngine.validateSuppliedIntervals();
}