ashutoshcipher commented on a change in pull request #3836:
URL: https://github.com/apache/hadoop/pull/3836#discussion_r775884338
##########
File path:
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/compress/zstd/TestZStandardCompressorDecompressor.java
##########
@@ -231,6 +231,65 @@ public void
testCompressorDecompressorLogicWithCompressionStreams()
}
}
+ /**
+ * Verify decompressor logic with some finish operation in compress.
+ */
+ @Test
+ public void testCompressorDecompressorWithFinish() throws Exception {
+ DataOutputStream deflateOut = null;
+ DataInputStream inflateIn = null;
+ int byteSize = 1024 * 100;
+ byte[] bytes = generate(byteSize);
+ int firstLength = 1024 * 30;
+
+ int bufferSize = IO_FILE_BUFFER_SIZE_DEFAULT;
+ try {
+ DataOutputBuffer compressedDataBuffer = new DataOutputBuffer();
+ CompressionOutputStream deflateFilter =
+ new CompressorStream(compressedDataBuffer, new
ZStandardCompressor(),
+ bufferSize);
+
+ deflateOut =
+ new DataOutputStream(new BufferedOutputStream(deflateFilter));
+
+ // Write some data and finish.
+ deflateOut.write(bytes, 0, firstLength);
+ deflateFilter.finish();
+ deflateOut.flush();
+
+ // ResetState then write some data and finish.
+ deflateFilter.resetState();
+ deflateOut.write(bytes, firstLength, firstLength);
+ deflateFilter.finish();
+ deflateOut.flush();
+
+ // ResetState then write some data and finish.
+ deflateFilter.resetState();
+ deflateOut.write(bytes, firstLength * 2, byteSize - firstLength * 2);
+ deflateFilter.finish();
+ deflateOut.flush();
+
+ DataInputBuffer deCompressedDataBuffer = new DataInputBuffer();
+ deCompressedDataBuffer.reset(compressedDataBuffer.getData(), 0,
+ compressedDataBuffer.getLength());
+
+ CompressionInputStream inflateFilter =
+ new DecompressorStream(deCompressedDataBuffer,
+ new ZStandardDecompressor(bufferSize), bufferSize);
+
+ inflateIn = new DataInputStream(new BufferedInputStream(inflateFilter));
+
+ byte[] result = new byte[byteSize];
+ inflateIn.read(result);
+ assertArrayEquals(
+ "original array not equals compress/decompressed array", result,
+ bytes);
Review comment:
I will do that.
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