### Question:
SafeReader { public SafeReader(String safePath) throws IllegalArgumentException, IOException{ safe=new Safe(safePath); metaDataObjs=this.safe.getMetadataObjects(); } SafeReader(String safePath); Collection <MetadataObject> getMetadataObjects(); Collection <DataObject> getDataObjects(); Collection<String> getMesasurementFiles(); void readGeneralProductInformation(); void getPolarizations();  }### Answer:
@Test public void testSafeReader() { try { SafeReader safeReader=new SafeReader(safeFile); assertNotNull(safeReader); } catch (IllegalArgumentException | IOException e) { fail(e.getMessage()); } }