assertTrue("checksum exists", inMemFs.exists(inMemFs.getChecksumFile(testPath)));
inMemFs.delete(testPath, true);
assertTrue("checksum deleted", !inMemFs.exists(inMemFs.getChecksumFile(testPath)));
// check for directories getting deleted.
testPath = new Path("/tesdir/file_1");
inMemFs.reserveSpaceWithCheckSum(testPath, 1024);
fout = inMemFs.create(testPath);
fout.write("testing".getBytes());
fout.close();
testPath = new Path("/testdir/file_2");
inMemFs.reserveSpaceWithCheckSum(testPath, 1024);