/* Copyright 2015 Google Inc. All Rights Reserved.
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Distributed under MIT license.
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See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
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*/
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package org.brotli.wrapper.common;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import org.brotli.integration.BrotliJniTestBase;
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import org.brotli.wrapper.dec.BrotliInputStream;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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/**
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* Tests for {@link BrotliCommon}.
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*/
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@RunWith(JUnit4.class)
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public class SetZeroDictionaryTest extends BrotliJniTestBase {
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@Test
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public void testZeroDictionary() throws IOException {
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/* "leftdatadataleft" encoded with dictionary words. */
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byte[] data = {27, 15, 0, 0, 0, 0, -128, -29, -76, 13, 0, 0, 7, 91, 38, 49, 64, 2, 0, -32, 78,
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27, 65, -128, 32, 80, 16, 36, 8, 6};
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byte[] dictionary = new byte[BrotliCommon.RFC_DICTIONARY_SIZE];
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BrotliCommon.setDictionaryData(dictionary);
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BrotliInputStream decoder = new BrotliInputStream(new ByteArrayInputStream(data));
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byte[] output = new byte[17];
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int offset = 0;
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try {
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int bytesRead;
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while ((bytesRead = decoder.read(output, offset, 17 - offset)) != -1) {
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offset += bytesRead;
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}
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} finally {
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decoder.close();
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}
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assertEquals(16, offset);
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assertArrayEquals(new byte[17], output);
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}
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}
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