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.apache.avro.generic.GenericFixed;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.Arguments;
  import org.junit.jupiter.params.provider.MethodSource;
  
  import java.math.BigInteger;
  import java.util.UUID;
  import java.util.stream.Stream;
  
  public class TestUuidConversions {
  
    private Conversions.UUIDConversion uuidConversion = new Conversions.UUIDConversion();
  
    private Schema fixed = Schema.createFixed("fixed", "doc", "", Long.BYTES * 2);
    private Schema fixedUuid = LogicalTypes.uuid().addToSchema(fixed);
  
    private Schema string = Schema.createFixed("fixed", "doc", "", Long.BYTES * 2);
    private Schema stringUuid = LogicalTypes.uuid().addToSchema(string);
  
    @ParameterizedTest
    @MethodSource("uuidData")
    void uuidFixed(UUID uuid) {
      GenericFixed value = uuidConversion.toFixed(uuid, fixedUuid, LogicalTypes.uuid());
  
      byte[] b = new byte[Long.BYTES];
      System.arraycopy(value.bytes(), 0, b, 0, b.length);
      Assertions.assertEquals(uuid.getMostSignificantBits(), new BigInteger(b).longValue());
      System.arraycopy(value.bytes(), Long.BYTES, b, 0, b.length);
      Assertions.assertEquals(uuid.getLeastSignificantBits(), new BigInteger(b).longValue());
  
      UUID uuid1 = uuidConversion.fromFixed(value, fixedUuid, LogicalTypes.uuid());
      Assertions.assertEquals(uuid, uuid1);
    }
  
    @ParameterizedTest
    @MethodSource("uuidData")
    void uuidCharSequence(UUID uuid) {
      CharSequence value = uuidConversion.toCharSequence(uuid, stringUuid, LogicalTypes.uuid());
  
      Assertions.assertEquals(uuid.toString(), value.toString());
  
      UUID uuid1 = uuidConversion.fromCharSequence(value, stringUuid, LogicalTypes.uuid());
      Assertions.assertEquals(uuid, uuid1);
    }
  
    public static Stream<Arguments> uuidData() {
      return Stream.of(Arguments.of(new UUID(Long.MIN_VALUE, Long.MAX_VALUE)), Arguments.of(new UUID(-1, 0)),
          Arguments.of(UUID.randomUUID()), Arguments.of(UUID.randomUUID()));
    }
  
  }
  