DefaultCategoryDatasetChartFuzzer.java

// Copyright 2023 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 org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartFactory;
import org.jfree.data.category.DefaultCategoryDataset;
import ossfuzz.TestUtils;


public class DefaultCategoryDatasetChartFuzzer {
    public static void fuzzerTestOneInput(FuzzedDataProvider data) throws Exception {
        DefaultCategoryDataset<String, String> dataset = new DefaultCategoryDataset<>();

        Integer numKeys = data.consumeInt(0, 1000);
        Integer numColumns = data.consumeInt(0, 1000);
        for (int i = 0; i < numKeys; i++) {
            String series = data.consumeString(100);
            for (int j = 0; j < numColumns; j++) {
                String category = data.consumeString(100);
                dataset.addValue(data.consumeDouble(), series, category);
            }
        }

        JFreeChart c1 = ChartFactory.createBarChart(data.consumeString(100),
                data.consumeString(100), data.consumeString(100), dataset);
        JFreeChart c2 = TestUtils.serialised(c1);
        if (!c1.equals(c2)) {
            throw new Exception("Charts with Default Category Datasets should be equal");
        }
    }
}