content: /*
   * 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 io.airlift.compress.v3.zstd;
  
  import com.google.common.io.Resources;
  import io.airlift.compress.v3.AbstractTestCompression;
  import io.airlift.compress.v3.Compressor;
  import io.airlift.compress.v3.Decompressor;
  import io.airlift.compress.v3.HadoopCodecCompressor;
  import io.airlift.compress.v3.HadoopCodecDecompressor;
  import io.airlift.compress.v3.thirdparty.ZstdJniCompressor;
  import io.airlift.compress.v3.thirdparty.ZstdJniDecompressor;
  import org.junit.jupiter.api.Test;
  
  import java.io.IOException;
  
  class TestZstdCodec
          extends AbstractTestCompression
  {
      @Override
      protected boolean isMemorySegmentSupported()
      {
          return false;
      }
  
      @Override
      protected Compressor getCompressor()
      {
          return new HadoopCodecCompressor(new ZstdCodec(), new ZstdJavaCompressor());
      }
  
      @Override
      protected Decompressor getDecompressor()
      {
          return new HadoopCodecDecompressor(new ZstdCodec());
      }
  
      @Override
      protected Compressor getVerifyCompressor()
      {
          // Hadoop format is the standard Zstd framed format
          return new ZstdJniCompressor(3);
      }
  
      @Override
      protected Decompressor getVerifyDecompressor()
      {
          // Hadoop format is the standard Zstd framed format
          return new ZstdJniDecompressor();
      }
  
      @Test
      void testConcatenatedFrames()
              throws IOException
      {
          byte[] compressed = Resources.toByteArray(Resources.getResource("data/zstd/multiple-frames.zst"));
          byte[] uncompressed = Resources.toByteArray(Resources.getResource("data/zstd/multiple-frames"));
  
          byte[] output = new byte[uncompressed.length];
          getVerifyDecompressor().decompress(compressed, 0, compressed.length, output, 0, output.length);
  
          assertByteArraysEqual(uncompressed, 0, uncompressed.length, output, 0, output.length);
      }
  }
  