Pin that maxOctets refuses Infinity, and say refuse where the changelog said drop

CHANGELOG.md

@@ -35,8 +35,8 @@
 - An `alert_notification` or an `outbind` from the peer is logged and left unanswered, as SMPP 3.4
   gives neither a response. Each one used to emit `sessionError`, `"alert_notification" has no
   response command`.
-- `server()` refuses a `maxOctets` below 1 or not a whole number, like its other limits.
+- `server()` refuses a `maxOctets` below 1 or not a whole number, `Infinity` included, like its
-  `server({ maxOctets: 0 })` used to start and then drop every multipart message.
+  other limits. `server({ maxOctets: 0 })` used to start and then refuse every multipart message.
 
 ## 0.5.0
 

test/session.test.ts

@@ -12,6 +12,7 @@ import { DlrMerger } from '../src/dlr-merger.ts';
 import { PduFramer } from '../src/pdu-framer.ts';
 import { ReconnectLoop } from '../src/reconnect-loop.ts';
 import { Session, bindCommands } from '../src/session.ts';
+import { checkSessionOptions } from '../src/session-options.ts';
 import { client } from '../src/client.ts';
 import { closeAfter, closeListenerAfter } from './teardown.ts';
 import { consts } from '../src/defs/constants.ts';
@@ -2694,6 +2695,7 @@ describe('option validation', () => {
 		if (listening.server) await listening.server.close();
 
 		assert.match(listening.err?.message ?? '', /maxOctets must be 1 or more, got 0/);
+		assert.match(checkSessionOptions({ maxOctets: Infinity }).err?.message ?? '', /maxOctets must be 1 or more, got Infinity/);
 	});
 
 	test('returns an error rather than rejecting on an impossible port', async () => {