zymap commented on code in PR #3675:
URL: https://github.com/apache/bookkeeper/pull/3675#discussion_r1034236457


##########
bookkeeper-server/src/main/java/org/apache/bookkeeper/tools/cli/commands/client/SimpleTestCommand.java:
##########
@@ -102,10 +105,15 @@ protected void run(BookKeeper bk, Flags flags) throws 
Exception {
                 }
             }
             LOG.info("{} entries written to ledger {}", flags.numEntries, 
wh.getId());
-            if (flags.cleanup) {
-                LOG.info("Cleaning up the ledger {}", wh.getId());
-                
result(bk.newDeleteLedgerOp().withLedgerId(wh.getId()).execute());
+
+            try (ReadHandle rh = 
result(bk.newOpenLedgerOp().withLedgerId(wh.getId()).withDigestType(DigestType.CRC32C)
+                    .withPassword(new byte[0]).execute())) {
+                LedgerEntries ledgerEntries = rh.read(0, flags.numEntries);
+                for (LedgerEntry ledgerEntry : ledgerEntries) {
+                    assert Arrays.equals(ledgerEntry.getEntryBytes(), data);

Review Comment:
   The `assert` is more likes a developer tool not for users. We need to enable 
it with `-ea` when executing the program. Does it make more sense to log errors 
or throw exceptions?
   
   



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