class FileOperatorTest {
  @TempDir
  var tempDir: File? = null
  private var file: File? = null
  private var randomAccessFile: RandomAccessFile? = null

  @BeforeEach
  fun setUp() {
    file = File(tempDir, "test")
    randomAccessFile = RandomAccessFile(file, "rw")
  }

  @AfterEach
  fun tearDown() {
    randomAccessFile!!.close()
  }

  @Test
  fun read() {
    write("Hello, World".encodeUtf8())
    val operator =

      metadata: ByteString,
      bufferMaxSize: Long,
    ): Relay {
      val randomAccessFile = RandomAccessFile(file, "rw")
      val result = Relay(randomAccessFile, upstream, 0L, metadata, bufferMaxSize)

      // Write a dirty header. That way if we crash we won't attempt to recover this.
      randomAccessFile.setLength(0L)
      result.writeHeader(PREFIX_DIRTY, -1L, -1L)

      return result
    }

          }
        });
    writer->plugin_file = nullptr;
    return writer;
  }

  std::unique_ptr<TF_RandomAccessFile, void (*)(TF_RandomAccessFile* file)>
  GetReader() {
    std::unique_ptr<TF_RandomAccessFile, void (*)(TF_RandomAccessFile * file)>
        reader(new TF_RandomAccessFile, [](TF_RandomAccessFile* file) {
          if (file != nullptr) {
            if (file->plugin_file != nullptr)

void ParseGCSPath(const std::string& fname, bool object_empty_ok,
                  std::string* bucket, std::string* object, TF_Status* status);

namespace tf_random_access_file {
void Cleanup(TF_RandomAccessFile* file);
int64_t Read(const TF_RandomAccessFile* file, uint64_t offset, size_t n,
             char* buffer, TF_Status* status);
}  // namespace tf_random_access_file

namespace tf_writable_file {
void Cleanup(TF_WritableFile* file);

 */
package org.apache.maven.repository.legacy;

import javax.inject.Named;
import javax.inject.Singleton;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;
import java.util.Date;
import java.util.Properties;

import org.apache.maven.artifact.Artifact;

  void operator=(const ModularFileSystem&) = delete;
};

class ModularRandomAccessFile final : public RandomAccessFile {
 public:
  ModularRandomAccessFile(const std::string& filename,
                          std::unique_ptr<TF_RandomAccessFile> file,
                          const TF_RandomAccessFileOps* ops)
      : filename_(filename), file_(std::move(file)), ops_(ops) {}

static void* plugin_memory_allocate(size_t size) { return calloc(1, size); }
static void plugin_memory_free(void* ptr) { free(ptr); }

// SECTION 1. Implementation for `TF_RandomAccessFile`
// ----------------------------------------------------------------------------
namespace tf_random_access_file {

// TODO(b/139060984): Implement later

}  // namespace tf_random_access_file

static void plugin_memory_free(void* ptr) { free(ptr); }

// SECTION 1. Implementation for `TF_RandomAccessFile`
// ----------------------------------------------------------------------------
namespace tf_random_access_file {

typedef struct PosixFile {
  const char* filename;
  int fd;
} PosixFile;

static void Cleanup(TF_RandomAccessFile* file) {
  auto posix_file = static_cast<PosixFile*>(file->plugin_file);
  close(posix_file->fd);

    assertTrue(Files.equal(asciiFile, temp));

    Files.copy(i18nFile, temp);
    assertTrue(Files.equal(i18nFile, temp));

    Files.copy(asciiFile, temp);
    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));

    assertTrue(Files.equal(asciiFile, temp));

    Files.copy(i18nFile, temp);
    assertTrue(Files.equal(i18nFile, temp));

    Files.copy(asciiFile, temp);
    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));