assertNotNull("VF not null", handler.getVirtualFile());
assertFalse("hasBeenModified == false", handler.hasBeenModified());
assertFalse("hidden == false", handler.isHidden());
assertFalse("nested == false", handler.isNested());
assertNotNull("toURI not null", handler.toURI());
assertNotNull("toURL not null", handler.toURL());
assertNotNull("toVfsUrl not null", handler.toVfsUrl());
ByteArrayOutputStream memOut = new ByteArrayOutputStream();
VFSUtils.copyStreamAndClose(handler.openStream(), memOut);
assertTrue("read archive content", memOut.size() == handler.getSize());