Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4485#discussion_r136020966
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/buffer/NetworkBufferPoolTest.java
---
@@ -168,4 +171,45 @@ public void testDestroyAll() {
fail(e.getMessage());
}
}
+
+ @Test
+ public void testRequestAndRecycleMemorySegments() throws Exception {
+ final int numBuffers = 10;
+
+ NetworkBufferPool globalPool = new
NetworkBufferPool(numBuffers, 128, MemoryType.HEAP);
+
+ List<MemorySegment> segments = null;
+ // request buffers from global pool with illegal argument
+ try {
+ segments = globalPool.requestMemorySegments(0);
--- End diff --
can you create a separate test method for this (invalid) use case?
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