// The most common case is that from is a Reader (like InputStreamReader or StringReader) so
    // take advantage of that.
    if (from instanceof Reader) {
      // optimize for common output types which are optimized to deal with char[]
      if (to instanceof StringBuilder) {
        return copyReaderToBuilder((Reader) from, (StringBuilder) to);
      } else {
        return copyReaderToWriter((Reader) from, asWriter(to));

import jcifs.internal.smb2.io.Smb2ReadRequest;
import jcifs.internal.smb2.io.Smb2ReadResponse;
import jcifs.util.transport.TransportException;

/**
 * This InputStream can read bytes from a file on an SMB file server. Offsets are 64 bits.
 */
public class SmbFileInputStream extends InputStream {

    private static final Logger log = LoggerFactory.getLogger(SmbFileInputStream.class);

    private SmbFileHandleImpl handle;
    private long fp;

    void tryClose() {
        synchronized (LOCK) {

            /* Yes, there is the potential to drop packets
             * because we might close the socket during a
             * request. However the chances are slim and the
             * retry code should ensure the overall request
             * is serviced. The alternative complicates things
             * more than I think is worth it.
             */

            assertEquals("Users", aliasBuiltin.toDisplayString());
        }

        @Test
        @DisplayName("toString uses hex authority when high bytes are non-zero")
        void testToStringHexAuthority() {
            byte[] ident = new byte[] { 1, 2, 3, 4, 5, 6 }; // high bytes non-zero -> hex representation

        long flags = 0x1234567890ABCDEFL;
        request.setSmbCreateFlags(flags);

        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);

        // Verify flags are written at correct offset (8-15)
        long readFlags = 0;
        for (int i = 0; i < 8; i++) {
            readFlags |= ((long) (buffer[8 + i] & 0xFF)) << (i * 8);
        }
        assertEquals(flags, readFlags);

        // Verify total data count at correct offset
        assertEquals(1000, SMBUtil.readInt4(dst, startOffset + 7));
    }

    @Test
    @DisplayName("Test constants are properly defined")
    void testConstants() {
        // Verify the NT transaction function constants
        assertEquals(0x6, SmbComNtTransaction.NT_TRANSACT_QUERY_SECURITY_DESC);

        public NoLock() {}

        @Override
        public void close() {}
    }

    /**
     * Aggregating mojo executions (possibly) modify all MavenProjects, including those that are currently in use
     * by concurrently running mojo executions. To prevent race conditions, an aggregating execution will block
     * all other executions until finished.

  }
  ~GraphOperation() override {}

 private:
  friend class GraphContext;  // For access to op_.
  TF_Graph* g_;
  std::unique_ptr<TF_OperationDescription> op_;
  // Hold `op_type` and `op_name` till both are available since we need both
  // to build a graph operation.
  string op_type_;
  const char* op_name_ = nullptr;
  // TODO(srbs): Use this.
  string device_name_;
};

            // When
            Type2Message message = new Type2Message(mockContext);

            // Then
            assertNotNull(message, "Message should not be null");
            // Verify default flags are set
            int expectedFlags =
                    Type2Message.NTLMSSP_NEGOTIATE_NTLM | Type2Message.NTLMSSP_NEGOTIATE_VERSION | Type2Message.NTLMSSP_NEGOTIATE_UNICODE;

}

// Transaction start a transaction as a block, return error will rollback, otherwise to commit. Transaction executes an
// arbitrary number of commands in fc within a transaction. On success the changes are committed; if an error occurs
// they are rolled back.
func (db *DB) Transaction(fc func(tx *DB) error, opts ...*sql.TxOptions) (err error) {
	panicked := true

	if committer, ok := db.Statement.ConnPool.(TxCommitter); ok && committer != nil {