liyafan82 commented on a change in pull request #8194:
[FLINK-12216][Runtime]Respect the number of bytes from input paramete…
URL: https://github.com/apache/flink/pull/8194#discussion_r276121298
##########
File path:
flink-core/src/test/java/org/apache/flink/core/memory/HybridOnHeapMemorySegmentTest.java
##########
@@ -77,4 +77,32 @@ public void testHybridHeapSegmentSpecifics() {
assertEquals(3, buf2.position());
assertEquals(7, buf2.limit());
}
+
+ @Test
+ public void testReadOnlyByteBufferPut() {
+ final byte[] buffer = new byte[100];
+ HybridMemorySegment seg = new HybridMemorySegment(buffer);
+
+ String content = "hello world";
+ ByteBuffer bb = ByteBuffer.allocate(20);
+ bb.put(content.getBytes());
+ bb.rewind();
+
+ int offset = 10;
+ int numBytes = 5;
+ seg.put(offset, bb.asReadOnlyBuffer(), numBytes);
Review comment:
Yes. If a heap byte buffer is read only, its hasArray will be false. I have
added the assertions to the UT. Thanks for the advice.
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