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Posted to commits@druid.apache.org by as...@apache.org on 2020/04/19 10:17:13 UTC
[druid] branch master updated: Fix misuse of Integer.SIZE in
FileWriteOutBytes.writeInt (#9723)
This is an automated email from the ASF dual-hosted git repository.
asdf2014 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/druid.git
The following commit(s) were added to refs/heads/master by this push:
new b9ad250 Fix misuse of Integer.SIZE in FileWriteOutBytes.writeInt (#9723)
b9ad250 is described below
commit b9ad250c009d7b689dcabf90c855e0d1955c5e3e
Author: Jenson <wh...@gmail.com>
AuthorDate: Sun Apr 19 18:16:53 2020 +0800
Fix misuse of Integer.SIZE in FileWriteOutBytes.writeInt (#9723)
* change Integer.SIZE to Integer.BYTES in FileWriteOutBytes#writeInt
* Add ASF header
Co-authored-by: jenson <ju...@paypal.com>
---
.../druid/segment/writeout/FileWriteOutBytes.java | 2 +-
.../segment/writeout/FileWriteOutBytesTest.java | 63 ++++++++++++++++++++++
2 files changed, 64 insertions(+), 1 deletion(-)
diff --git a/processing/src/main/java/org/apache/druid/segment/writeout/FileWriteOutBytes.java b/processing/src/main/java/org/apache/druid/segment/writeout/FileWriteOutBytes.java
index 14fb0f3..9ab579d 100644
--- a/processing/src/main/java/org/apache/druid/segment/writeout/FileWriteOutBytes.java
+++ b/processing/src/main/java/org/apache/druid/segment/writeout/FileWriteOutBytes.java
@@ -71,7 +71,7 @@ final class FileWriteOutBytes extends WriteOutBytes
@Override
public void writeInt(int v) throws IOException
{
- flushIfNeeded(Integer.SIZE);
+ flushIfNeeded(Integer.BYTES);
buffer.putInt(v);
}
diff --git a/processing/src/test/java/org/apache/druid/segment/writeout/FileWriteOutBytesTest.java b/processing/src/test/java/org/apache/druid/segment/writeout/FileWriteOutBytesTest.java
new file mode 100644
index 0000000..cfaa418
--- /dev/null
+++ b/processing/src/test/java/org/apache/druid/segment/writeout/FileWriteOutBytesTest.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.druid.segment.writeout;
+
+import org.easymock.EasyMock;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+
+public class FileWriteOutBytesTest
+{
+ private FileWriteOutBytes fileWriteOutBytes;
+ private FileChannel mockFileChannel;
+
+ @Before
+ public void setUp()
+ {
+ this.mockFileChannel = EasyMock.mock(FileChannel.class);
+ this.fileWriteOutBytes = new FileWriteOutBytes(EasyMock.mock(File.class), mockFileChannel);
+ }
+
+ @Test
+ public void testWrite4KBInts() throws IOException
+ {
+ // Write 4KB of ints and expect the write operation of the file channel will be triggered only once.
+ EasyMock.expect(this.mockFileChannel.write(EasyMock.anyObject(ByteBuffer.class)))
+ .andAnswer(() -> {
+ ByteBuffer buffer = (ByteBuffer) EasyMock.getCurrentArguments()[0];
+ int remaining = buffer.remaining();
+ buffer.position(remaining);
+ return remaining;
+ }).times(1);
+ EasyMock.replay(this.mockFileChannel);
+ final int writeBytes = 4096;
+ final int numOfInt = writeBytes / Integer.BYTES;
+ for (int i = 0; i < numOfInt; i++) {
+ this.fileWriteOutBytes.writeInt(i);
+ }
+ this.fileWriteOutBytes.flush();
+ EasyMock.verify(this.mockFileChannel);
+ }
+}
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