mirror of https://github.com/google/oss-fuzz.git
44 lines
1.7 KiB
Java
44 lines
1.7 KiB
Java
// Copyright 2022 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
|
|
|
|
|
|
import java.io.InputStream;
|
|
import java.io.ByteArrayInputStream;
|
|
import org.HdrHistogram.Histogram;
|
|
import org.HdrHistogram.EncodableHistogram;
|
|
import org.HdrHistogram.HistogramLogReader;
|
|
|
|
public class LogReaderWriterFuzzer {
|
|
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
|
|
int numberOfSignificantValueDigits = data.consumeInt(0, 5);
|
|
byte [] input = data.consumeRemainingAsBytes();
|
|
if (input.length == 0) {
|
|
return;
|
|
}
|
|
EncodableHistogram encodeableHistogram = null;
|
|
Histogram accumulatedHistogram = new Histogram(numberOfSignificantValueDigits);
|
|
InputStream readerStream = new ByteArrayInputStream(input);
|
|
HistogramLogReader reader = new HistogramLogReader(readerStream);
|
|
while ((encodeableHistogram = reader.nextIntervalHistogram()) != null) {
|
|
Histogram histogram = (Histogram) encodeableHistogram;
|
|
histogram.getTotalCount();
|
|
accumulatedHistogram.add(histogram);
|
|
}
|
|
}
|
|
}
|