Github user Ngone51 commented on a diff in the pull request:
https://github.com/apache/spark/pull/21175#discussion_r184590989
--- Diff:
core/src/test/scala/org/apache/spark/io/ChunkedByteBufferSuite.scala ---
@@ -56,6 +56,12 @@ class ChunkedByteBufferSuite extends SparkFunSuite {
assert(chunkedByteBuffer.getChunks().head.position() === 0)
}
+ test("writeFully() does not affect original buffer's position") {
--- End diff --
Hi @manbuyun .You should add a new unit test to support your own change.
For example, "writeFully() can write buffer which is larger than
`bufferWriteChunkSize` correctly. " And update the test code.
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