/*
 * Copyright ConsenSys AG.
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
package org.hyperledger.besu.consensus.clique.headervalidationrules;

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

import org.hyperledger.besu.consensus.clique.CliqueBlockInterface;
import org.hyperledger.besu.ethereum.core.BlockHeader;
import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture;

import java.util.stream.Stream;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.ArgumentsProvider;
import org.junit.jupiter.params.provider.ArgumentsSource;

public class VoteValidationRuleTest {

  static class CliqueVoteValidationArgumentsProvider implements ArgumentsProvider {
    @Override
    public Stream<? extends Arguments> provideArguments(final ExtensionContext context) {
      return Stream.of(
          Arguments.of(CliqueBlockInterface.DROP_NONCE, true),
          Arguments.of(CliqueBlockInterface.ADD_NONCE, true),
          Arguments.of(0x01L, false),
          Arguments.of(0xFFFFFFFFFFFFFFFEL, false));
    }
  }

  @ParameterizedTest
  @ArgumentsSource(CliqueVoteValidationArgumentsProvider.class)
  public void test(final long input, final boolean expectedResult) {
    final VoteValidationRule uut = new VoteValidationRule();
    final BlockHeaderTestFixture blockBuilder = new BlockHeaderTestFixture();
    blockBuilder.nonce(input);

    final BlockHeader header = blockBuilder.buildHeader();

    assertThat(uut.validate(header, null)).isEqualTo(expectedResult);
  }

  @Test
  void dryRunDetector() {
    assertThat(true)
        .withFailMessage("This test is here so gradle --dry-run executes this class")
        .isTrue();
  }
}
