Phixsura commented on code in PR #22310:
URL: https://github.com/apache/kafka/pull/22310#discussion_r3282271501
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streams/src/test/java/org/apache/kafka/streams/state/internals/InMemoryKeyValueStoreTest.java:
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@@ -447,4 +448,28 @@ private Bytes bytesKey(final String key) {
return Bytes.wrap(key.getBytes());
}
+ @Test
+ public void shouldPrefixScanPrefixWithNoUpperBound() {
Review Comment:
Should we add similar regression tests for `CachingKeyValueStore` and
`MemoryNavigableLRUCache`? The fix touches both but their existing prefixScan
tests at e.g.
https://github.com/apache/kafka/blob/trunk/streams/src/test/java/org/apache/kafka/streams/state/internals/CachingInMemoryKeyValueStoreTest.java#L416
use ASCII prefixes, so the overflow path isn't hit.
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