/*
    * 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
    *
   * 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 org.apache.commons.compress.compressors.lz4;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.file.Files;
  import java.util.stream.Stream;
  
  import org.apache.commons.compress.AbstractTest;
  import org.apache.commons.io.IOUtils;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.Arguments;
  import org.junit.jupiter.params.provider.MethodSource;
  
  public class XXHash32Test {
  
      public static Stream<Arguments> factory() {
          return Stream.of(
                  // reference checksums created with xxh32sum
                  Arguments.of("bla.tar", "fbb5c8d1"), Arguments.of("bla.tar.xz", "4106a208"), Arguments.of("8.posix.tar.gz", "9fce116a"));
      }
  
      @ParameterizedTest
      @MethodSource("factory")
      public void verifyChecksum(final String fileName, final String expectedChecksum) throws IOException {
          final XXHash32 h = new XXHash32();
          final File file = AbstractTest.getFile(fileName);
          try (InputStream s = Files.newInputStream(file.toPath())) {
              final byte[] b = IOUtils.toByteArray(s);
              h.update(b, 0, b.length);
          }
          assertEquals(expectedChecksum, Long.toHexString(h.getValue()), "checksum for " + file.getName());
      }
  }