Add test for handling of non-compressable data, and handle it correctly.

Also do not bother compressing less than 200 bytes.

1 files changed, 5 insertions, 0 deletions

diff --git a/searchlib/src/tests/transactionlog/chunks_test.cpp b/searchlib/src/tests/transactionlog/chunks_test.cpp
index de530884933..fa5fe3c1006 100644
--- a/searchlib/src/tests/transactionlog/chunks_test.cpp
+++ b/searchlib/src/tests/transactionlog/chunks_test.cpp
@@ -58,4 +58,9 @@ TEST("test serialization and deserialization of future multientry xxh64 no compr
     verifySerializationAndDeserialization(chunk, 100);
 }
 
+TEST("test serialization and deserialization of uncompressable lz4") {
+    XXH64CompressedChunk chunk(CompressionConfig::Type::LZ4, 1);
+    verifySerializationAndDeserialization(chunk, 1);
+}
+
 TEST_MAIN() { TEST_RUN_ALL(); }