/*
 * Copyright Consensys Software Inc., 2022
 *
 * 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.
 */

package tech.pegasys.teku.storage.server.kvstore.serialization;

import static org.assertj.core.api.Assertions.assertThat;

import org.junit.jupiter.api.Test;
import tech.pegasys.teku.infrastructure.unsigned.UInt64;

public class UInt64SerializerTest {

  private final UInt64Serializer serializer = new UInt64Serializer();

  @Test
  public void roundTrip_maxValue() {
    final UInt64 value = UInt64.MAX_VALUE;
    final byte[] bytes = serializer.serialize(value);
    final UInt64 deserialized = serializer.deserialize(bytes);
    assertThat(deserialized).isEqualTo(value);
  }

  @Test
  public void roundTrip_zero() {
    final UInt64 value = UInt64.ZERO;
    final byte[] bytes = serializer.serialize(value);
    final UInt64 deserialized = serializer.deserialize(bytes);
    assertThat(deserialized).isEqualTo(value);
  }

  @Test
  public void roundTrip_one() {
    final UInt64 value = UInt64.ONE;
    final byte[] bytes = serializer.serialize(value);
    final UInt64 deserialized = serializer.deserialize(bytes);
    assertThat(deserialized).isEqualTo(value);
  }

  @Test
  public void roundTrip_other() {
    final UInt64 value = UInt64.valueOf(12500L);
    final byte[] bytes = serializer.serialize(value);
    final UInt64 deserialized = serializer.deserialize(bytes);
    assertThat(deserialized).isEqualTo(value);
  }
}
