public void bug54764() throws Exception {
OPCPackage pkg = XSSFTestDataSamples.openSamplePackage("54764.xlsx");
// Check the core properties - will be found but empty, due
// to the expansion being too much to be considered valid
POIXMLProperties props = new POIXMLProperties(pkg);
assertEquals(null, props.getCoreProperties().getTitle());
assertEquals(null, props.getCoreProperties().getSubject());
assertEquals(null, props.getCoreProperties().getDescription());
// Now check the spreadsheet itself
try {
new XSSFWorkbook(pkg);
fail("Should fail as too much expansion occurs");