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;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.Arguments;
  import org.junit.jupiter.params.provider.MethodSource;
  
  import java.math.BigDecimal;
  import java.nio.ByteBuffer;
  import java.util.Iterator;
  import java.util.NoSuchElementException;
  import java.util.Spliterator;
  import java.util.Spliterators;
  import java.util.stream.Stream;
  import java.util.stream.StreamSupport;
  
  public class TestBigDecimalConversion {
  
    private Conversion<BigDecimal> conversion = new Conversions.BigDecimalConversion();
  
    private final LogicalType bigDecimal = LogicalTypes.bigDecimal();
  
    private Schema bytesSchema = conversion.getRecommendedSchema();
  
    @ParameterizedTest
    @MethodSource("listBigDecimal")
    void bigdec(BigDecimal d1) {
      ByteBuffer d1bytes = conversion.toBytes(d1, bytesSchema, bigDecimal);
      BigDecimal decimal1 = conversion.fromBytes(d1bytes, bytesSchema, bigDecimal);
      Assertions.assertEquals(decimal1, d1);
    }
  
    static Stream<Arguments> listBigDecimal() {
      Iterator<BigDecimal> iterator = new Iterator<BigDecimal>() {
        int index = 0;
  
        BigDecimal step = new BigDecimal(-2.7d);
  
        BigDecimal current = new BigDecimal(1.0d);
  
        @Override
        public boolean hasNext() {
          if (index == 50) {
            // test small bigdecimal
            current = new BigDecimal(1.0d);
            step = new BigDecimal(-0.71d);
          }
          return index < 100;
        }
  
        @Override
        public BigDecimal next() {
          if (!hasNext()) {
            throw new NoSuchElementException();
          }
          index++;
          current = current.multiply(step);
          return current;
        }
      };
      return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.ORDERED), false)
          .map(Arguments::of);
  
    }
  
  }
  