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.specific;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashMap;
  
  import org.apache.avro.FooBarSpecificRecord;
  import org.apache.avro.FooBarSpecificRecord.Builder;
  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.junit.jupiter.api.Test;
  import test.StringablesRecord;
  
  public class TestSpecificDatumReader {
  
    public static byte[] serializeRecord(FooBarSpecificRecord fooBarSpecificRecord) throws IOException {
      SpecificDatumWriter<FooBarSpecificRecord> datumWriter = new SpecificDatumWriter<>(FooBarSpecificRecord.SCHEMA$);
      ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
      Encoder encoder = EncoderFactory.get().binaryEncoder(byteArrayOutputStream, null);
      datumWriter.write(fooBarSpecificRecord, encoder);
      encoder.flush();
      return byteArrayOutputStream.toByteArray();
    }
  
    public static byte[] serializeRecord(StringablesRecord stringablesRecord) throws IOException {
      SpecificDatumWriter<StringablesRecord> datumWriter = new SpecificDatumWriter<>(StringablesRecord.SCHEMA$);
      ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
      Encoder encoder = EncoderFactory.get().binaryEncoder(byteArrayOutputStream, null);
      datumWriter.write(stringablesRecord, encoder);
      encoder.flush();
      return byteArrayOutputStream.toByteArray();
    }
  
    @Test
    void read() throws IOException {
      Builder newBuilder = FooBarSpecificRecord.newBuilder();
      newBuilder.setId(42);
      newBuilder.setName("foo");
      newBuilder.setNicknames(Collections.singletonList("bar"));
      newBuilder.setRelatedids(Arrays.asList(1, 2, 3));
      FooBarSpecificRecord specificRecord = newBuilder.build();
  
      byte[] recordBytes = serializeRecord(specificRecord);
  
      Decoder decoder = DecoderFactory.get().binaryDecoder(recordBytes, null);
      SpecificDatumReader<FooBarSpecificRecord> specificDatumReader = new SpecificDatumReader<>(
          FooBarSpecificRecord.SCHEMA$);
      FooBarSpecificRecord deserialized = new FooBarSpecificRecord();
      specificDatumReader.read(deserialized, decoder);
  
      assertEquals(specificRecord, deserialized);
    }
  
    @Test
    void stringables() throws IOException {
      StringablesRecord.Builder newBuilder = StringablesRecord.newBuilder();
      newBuilder.setValue(new BigDecimal("42.11"));
      HashMap<String, BigDecimal> mapWithBigDecimalElements = new HashMap<>();
      mapWithBigDecimalElements.put("test", new BigDecimal("11.11"));
      newBuilder.setMapWithBigDecimalElements(mapWithBigDecimalElements);
      HashMap<BigInteger, String> mapWithBigIntKeys = new HashMap<>();
      mapWithBigIntKeys.put(BigInteger.ONE, "test");
      newBuilder.setMapWithBigIntKeys(mapWithBigIntKeys);
      StringablesRecord stringablesRecord = newBuilder.build();
  
      byte[] recordBytes = serializeRecord(stringablesRecord);
  
      Decoder decoder = DecoderFactory.get().binaryDecoder(recordBytes, null);
      SpecificDatumReader<StringablesRecord> specificDatumReader = new SpecificDatumReader<>(StringablesRecord.SCHEMA$);
      StringablesRecord deserialized = new StringablesRecord();
      specificDatumReader.read(deserialized, decoder);
  
      assertEquals(stringablesRecord, deserialized);
  
    }
  
  }
  