jojochuang commented on code in PR #3581:
URL: https://github.com/apache/ozone/pull/3581#discussion_r924982711
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hadoop-ozone/client/src/test/java/org/apache/hadoop/ozone/client/checksum/TestReplicatedBlockChecksumComputer.java:
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@@ -35,34 +41,60 @@
public class TestReplicatedBlockChecksumComputer {
@Test
public void testComputeMd5Crc() throws IOException {
- final int lenOfZeroBytes = 32;
- byte[] emptyChunkChecksum = new byte[lenOfZeroBytes];
- MD5Hash emptyBlockMD5 = MD5Hash.digest(emptyChunkChecksum);
+ final int lenOfBytes = 32;
+ byte[] randomChunkChecksum = new byte[lenOfBytes];
+ Random r = new Random();
+ r.nextBytes(randomChunkChecksum);
+ MD5Hash emptyBlockMD5 = MD5Hash.digest(randomChunkChecksum);
byte[] emptyBlockMD5Hash = emptyBlockMD5.getDigest();
+ AbstractBlockChecksumComputer computer =
+ buildBlockChecksumComputer(randomChunkChecksum,
+ lenOfBytes, ContainerProtos.ChecksumType.CRC32);
+ computer.compute(MD5MD5CRC);
+ ByteBuffer output = computer.getOutByteBuffer();
+ assertArrayEquals(emptyBlockMD5Hash, output.array());
+ }
+
+ @Test
+ public void testComputeCompositeCrc() throws IOException {
+ final int lenOfBytes = 32;
+ byte[] randomChunkChecksum = new byte[lenOfBytes];
+ Random r = new Random();
+ r.nextBytes(randomChunkChecksum);
+
+ CrcComposer crcComposer =
+ CrcComposer.newCrcComposer(DataChecksum.Type.CRC32C, 4);
Review Comment:
TODO add CRC32 later.
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