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<div class="subTitle">org.apache.hadoop.hbase.io.hfile</div>
<h2 title="Class TestChecksum" class="title">Class TestChecksum</h2>
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<pre>public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.58">TestChecksum</a>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>private static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.CorruptedFSReaderImpl.html" title="class in org.apache.hadoop.hbase.io.hfile">TestChecksum.CorruptedFSReaderImpl</a></span></code>
<div class="block">This class is to test checksum behavior when data is corrupted.</div>
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<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>(package private) static int[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#BYTES_PER_CHECKSUM">BYTES_PER_CHECKSUM</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/hbase/HBaseClassTestRule.html" title="class in org.apache.hadoop.hbase">HBaseClassTestRule</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#CLASS_RULE">CLASS_RULE</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>(package private) static org.apache.hadoop.hbase.io.compress.Compression.Algorithm[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#COMPRESSION_ALGORITHMS">COMPRESSION_ALGORITHMS</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private org.apache.hadoop.fs.FileSystem</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#fs">fs</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private org.apache.hadoop.hbase.fs.HFileSystem</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#hfs">hfs</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#LOG">LOG</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static <a href="../../../../../../org/apache/hadoop/hbase/HBaseTestingUtil.html" title="class in org.apache.hadoop.hbase">HBaseTestingUtil</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#TEST_UTIL">TEST_UTIL</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#TestChecksum--">TestChecksum</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#setUp--">setUp</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#testChecksumChunks--">testChecksumChunks</a></span>()</code>
<div class="block">Test different values of bytesPerChecksum</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#testChecksumCorruption--">testChecksumCorruption</a></span>()</code>
<div class="block">Introduce checksum failures and check that we can still read
the data</div>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#testChecksumCorruptionInternals-boolean-">testChecksumCorruptionInternals</a></span>(boolean&nbsp;useTags)</code>&nbsp;</td>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#testChecksumInternals-boolean-">testChecksumInternals</a></span>(boolean&nbsp;useTags)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#testNewBlocksHaveDefaultChecksum--">testNewBlocksHaveDefaultChecksum</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#testVerifyCheckSum--">testVerifyCheckSum</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#validateData-java.io.DataInputStream-">validateData</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io">DataInputStream</a>&nbsp;in)</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#verifyMBBCheckSum-org.apache.hadoop.hbase.nio.ByteBuff-">verifyMBBCheckSum</a></span>(org.apache.hadoop.hbase.nio.ByteBuff&nbsp;buf)</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/TestChecksum.html#verifySBBCheckSum-org.apache.hadoop.hbase.nio.ByteBuff-">verifySBBCheckSum</a></span>(org.apache.hadoop.hbase.nio.ByteBuff&nbsp;buf)</code>&nbsp;</td>
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<pre>private static final&nbsp;org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.64">LOG</a></pre>
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<pre>static final&nbsp;org.apache.hadoop.hbase.io.compress.Compression.Algorithm[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.66">COMPRESSION_ALGORITHMS</a></pre>
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<pre>static final&nbsp;int[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.69">BYTES_PER_CHECKSUM</a></pre>
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<pre>private static final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/HBaseTestingUtil.html" title="class in org.apache.hadoop.hbase">HBaseTestingUtil</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.72">TEST_UTIL</a></pre>
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<pre>private&nbsp;org.apache.hadoop.fs.FileSystem <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.74">fs</a></pre>
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<pre>private&nbsp;org.apache.hadoop.hbase.fs.HFileSystem <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.75">hfs</a></pre>
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<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.58">TestChecksum</a>()</pre>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.78">setUp</a>()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.84">testNewBlocksHaveDefaultChecksum</a>()
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.114">verifyMBBCheckSum</a>(org.apache.hadoop.hbase.nio.ByteBuff&nbsp;buf)
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.127">verifySBBCheckSum</a>(org.apache.hadoop.hbase.nio.ByteBuff&nbsp;buf)
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.132">testVerifyCheckSum</a>()
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.190">testChecksumCorruption</a>()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Introduce checksum failures and check that we can still read
the data</div>
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<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>testChecksumCorruptionInternals</h4>
<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.195">testChecksumCorruptionInternals</a>(boolean&nbsp;useTags)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.313">testChecksumChunks</a>()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Test different values of bytesPerChecksum</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.318">testChecksumInternals</a>(boolean&nbsp;useTags)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/TestChecksum.html#line.393">validateData</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io">DataInputStream</a>&nbsp;in)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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