mirror of https://github.com/google/oss-fuzz.git
85 lines
2.7 KiB
Java
85 lines
2.7 KiB
Java
// 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 com.fasterxml.jackson.core.json.*;
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import com.fasterxml.jackson.core.io.ContentReference;
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import com.fasterxml.jackson.core.io.IOContext;
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import com.fasterxml.jackson.core.util.BufferRecycler;
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import com.fasterxml.jackson.core.JsonGenerator;
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import com.fasterxml.jackson.core.JsonFactory;
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import java.io.IOException;
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import java.io.*;
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import com.fasterxml.jackson.core.io.SerializedString;
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import com.fasterxml.jackson.core.SerializableString;
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public class WriterBasedJsonGeneratorFuzzer {
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private IOContext getIOContext() {
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return new IOContext(new BufferRecycler(), ContentReference.unknown(), false);
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}
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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JsonFactory jf = new JsonFactory();
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StringWriter w;
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JsonGenerator jg;
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try {
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w = new StringWriter();
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jg = jf.createGenerator(w);
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} catch (IOException e) {
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return;
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}
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try {
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int numberOfOps = data.consumeInt();
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for (int i=0;i<numberOfOps%20;i++) {
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int opType = data.consumeInt();
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switch (opType%5) {
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case 0:
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jg.writeStartObject();
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jg.writeFieldName(data.consumeString(100000));
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jg.writeString(data.consumeString(100000));
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jg.writeEndObject();
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case 1:
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jg.writeStartObject();
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jg.writeStringField(data.consumeString(100000), data.consumeString(100000));
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jg.writeEndObject();
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case 2:
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jg.writeStartObject();
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SerializableString NAME = new SerializedString(data.consumeString(100000));
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jg.writeFieldName(NAME);
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jg.writeString(data.consumeString(100000));
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jg.writeEndObject();
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case 3:
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jg.writeStartArray();
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jg.writeRaw(data.consumeString(100000));
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jg.writeEndArray();
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case 4:
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jg.writeStartArray();
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jg.writeRawValue(data.consumeString(100000));
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jg.writeEndArray();
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}
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}
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} catch (IOException e) { }
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try {
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jg.close();
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} catch (IOException e) { }
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}
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}
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