Github user massie commented on a diff in the pull request:
https://github.com/apache/spark/pull/6423#discussion_r32177783
--- Diff:
core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala
---
@@ -104,10 +113,13 @@ class ShuffleBlockFetcherIteratorSuite extends
SparkFunSuite {
assert(subIterator.isSuccess,
s"iterator should have 5 elements defined but actually has $i
elements")
- // Make sure we release the buffer once the iterator is exhausted.
+ // Make sure we release buffers when a wrapped input stream is
closed.
val mockBuf = localBlocks.getOrElse(blockId, remoteBlocks(blockId))
+ val wrappedInputStream = new
BufferReleasingInputStream(mock(classOf[InputStream]), iterator)
--- End diff --
Renamed `subIterator` to `inputStream`. Updated `localBlocks` and
`remoteBlocks` to use `createMockManagedBuffer()` so that `inputStream.get`
isn't null and using it doesn't cause an NPE.
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