mirror of https://github.com/google/oss-fuzz.git
61 lines
2.1 KiB
Java
61 lines
2.1 KiB
Java
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////////
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import com.code_intelligence.jazzer.api.FuzzedDataProvider;
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import org.xerial.snappy.Snappy;
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import org.xerial.snappy.SnappyInputStream;
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import org.xerial.snappy.SnappyOutputStream;
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import org.xerial.snappy.SnappyCodec;
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import java.io.IOException;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.BufferedInputStream;
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import java.util.Arrays;
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public class SnappyStreamFuzzer {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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byte[] original = data.consumeRemainingAsBytes();
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byte[] uncompressed;
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try {
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ByteArrayOutputStream compressedBuf = new ByteArrayOutputStream();
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SnappyOutputStream snappyOut = new SnappyOutputStream(compressedBuf);
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snappyOut.write(original);
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snappyOut.close();
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byte[] compressed = compressedBuf.toByteArray();
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SnappyInputStream snappyIn = new SnappyInputStream(new ByteArrayInputStream(compressed));
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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byte[] buf = new byte[4096];
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for (int readBytes = 0; (readBytes = snappyIn.read(buf)) != -1; ) {
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out.write(buf, 0, readBytes);
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}
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out.flush();
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uncompressed = out.toByteArray();
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}
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catch (IOException e)
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{
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return;
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}
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if(Arrays.equals(original,uncompressed) == false)
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{
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throw new IllegalStateException("Original and uncompressed data are different");
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}
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}
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}
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