zhijiangW commented on a change in pull request #6705: [FLINK-10356][network] add sanity checks to SpillingAdaptiveSpanningRecordDeserializer URL: https://github.com/apache/flink/pull/6705#discussion_r227286509
########## File path: flink-runtime/src/test/java/org/apache/flink/runtime/io/network/api/serialization/SpanningRecordSerializationTest.java ########## @@ -104,11 +116,216 @@ public void testHandleMixedLargeRecords() throws Exception { testSerializationRoundTrip(originalRecords, segmentSize); } + /** + * Non-spanning, deserialization reads one byte too many and succeeds. + */ + @Test + public void testHandleDeserializingTooMuchNonSpanning1() throws Exception { + expectedException.expect(IOException.class); + expectedException.expectMessage(" -1 remaining unread byte"); + testHandleWrongDeserialization(new StringValueDeserializingTooMuch("Test string"), 32 * 1024); + } + + /** + * Non-spanning, serialization length is 16 (including headers), deserialization reads one byte + * too many and succeeds. + */ + @Test + public void testHandleDeserializingTooMuchNonSpanning2() throws Exception { + expectedException.expect(IOException.class); + expectedException.expectMessage(" -1 remaining unread byte"); + testHandleWrongDeserialization(new StringValueDeserializingTooMuch("Test string"), 17); Review comment: This test can be merged with above `testHandleDeserializingTooMuchNonSpanning1()` by adding `testHandleWrongDeserialization(new StringValueDeserializingTooMuch("Test string"), 17)` at last? Because the `expectedException` is same. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services