content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
   *
   *     https://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.
   */
  package org.apache.avro.generic;
  
  import org.apache.avro.FooBarSpecificRecord;
  import org.apache.avro.TypeEnum;
  import org.apache.avro.io.Decoder;
  import org.apache.avro.io.DecoderFactory;
  import org.apache.avro.io.Encoder;
  import org.apache.avro.io.EncoderFactory;
  import org.apache.avro.specific.SpecificDatumReader;
  import org.junit.jupiter.api.Test;
  import java.io.ByteArrayOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import java.io.IOException;
  import java.util.Collections;
  
  /**
   * See AVRO-1810: GenericDatumWriter broken with Enum
   */
  public class TestGenericConcreteEnum {
  
    private static byte[] serializeRecord(FooBarSpecificRecord fooBarSpecificRecord) throws IOException {
      GenericDatumWriter<FooBarSpecificRecord> datumWriter = new GenericDatumWriter<>(FooBarSpecificRecord.SCHEMA$);
      ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
      Encoder encoder = EncoderFactory.get().binaryEncoder(byteArrayOutputStream, null);
      datumWriter.write(fooBarSpecificRecord, encoder);
      encoder.flush();
      return byteArrayOutputStream.toByteArray();
    }
  
    @Test
    void genericWriteAndRead() throws IOException {
      FooBarSpecificRecord specificRecord = getRecord();
  
      byte[] bytes = serializeRecord(specificRecord);
  
      Decoder decoder = DecoderFactory.get().binaryDecoder(bytes, null);
  
      GenericDatumReader<IndexedRecord> genericDatumReader = new GenericDatumReader<>(FooBarSpecificRecord.SCHEMA$);
      IndexedRecord deserialized = new GenericData.Record(FooBarSpecificRecord.SCHEMA$);
      genericDatumReader.read(deserialized, decoder);
  
      assertEquals(0, GenericData.get().compare(specificRecord, deserialized, FooBarSpecificRecord.SCHEMA$));
    }
  
    @Test
    void genericWriteSpecificRead() throws IOException {
      FooBarSpecificRecord specificRecord = getRecord();
  
      byte[] bytes = serializeRecord(specificRecord);
  
      Decoder decoder = DecoderFactory.get().binaryDecoder(bytes, null);
  
      SpecificDatumReader<FooBarSpecificRecord> specificDatumReader = new SpecificDatumReader<>(
          FooBarSpecificRecord.SCHEMA$);
      FooBarSpecificRecord deserialized = new FooBarSpecificRecord();
      specificDatumReader.read(deserialized, decoder);
  
      assertEquals(specificRecord, deserialized);
    }
  
    private FooBarSpecificRecord getRecord() {
      return FooBarSpecificRecord.newBuilder().setId(42).setName("foo").setNicknames(Collections.singletonList("bar"))
          .setRelatedids(Collections.singletonList(3)).setTypeEnum(TypeEnum.a).build();
    }
  }
  