mirror of https://github.com/google/oss-fuzz.git
44 lines
1.7 KiB
Java
44 lines
1.7 KiB
Java
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// Copyright 2022 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 java.io.InputStream;
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import java.io.ByteArrayInputStream;
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import org.HdrHistogram.Histogram;
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import org.HdrHistogram.EncodableHistogram;
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import org.HdrHistogram.HistogramLogReader;
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public class LogReaderWriterFuzzer {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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int numberOfSignificantValueDigits = data.consumeInt(0, 5);
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byte [] input = data.consumeRemainingAsBytes();
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if (input.length == 0) {
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return;
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}
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EncodableHistogram encodeableHistogram = null;
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Histogram accumulatedHistogram = new Histogram(numberOfSignificantValueDigits);
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InputStream readerStream = new ByteArrayInputStream(input);
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HistogramLogReader reader = new HistogramLogReader(readerStream);
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while ((encodeableHistogram = reader.nextIntervalHistogram()) != null) {
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Histogram histogram = (Histogram) encodeableHistogram;
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histogram.getTotalCount();
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accumulatedHistogram.add(histogram);
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}
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}
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}
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