}

    @Test
    @DisplayName("open(): acquires and releases handle (no I/O)")
    void open_acquiresAndReleasesHandle() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("rw", false, true, false));
        SmbFileHandleImpl fh = mock(SmbFileHandleImpl.class);
        doReturn(fh).when(raf).ensureOpen();

        // Act
        raf.open();

hadoop fs -ls s3a://testbucket/wordcount
```

The output should be similar to the following:

```
Found 3 items
-rw-rw-rw-   1 spark spark          0 2019-05-04 01:36 s3a://testbucket/wordcount/_SUCCESS
-rw-rw-rw-   1 spark spark       4956 2019-05-04 01:36 s3a://testbucket/wordcount/part-00000
-rw-rw-rw-   1 spark spark       5616 2019-05-04 01:36 s3a://testbucket/wordcount/part-00001

    /**
     * Constructs an SmbRandomAccessFile with the specified URL, mode, and share access flags.
     *
     * @param url the SMB URL of the file to access
     * @param mode the access mode ("r" for read-only, "rw" for read-write)
     * @param shareAccess the share access flags for file sharing
     * @throws SmbException if an SMB error occurs
     * @throws MalformedURLException if the URL is malformed

    public static final int SMB2_LEASE_WRITE_CACHING = 0x04;

    /**
     * Read and Handle caching (RH)
     */
    public static final int SMB2_LEASE_READ_HANDLE = 0x03;

    /**
     * Read and Write caching (RW)
     */
    public static final int SMB2_LEASE_READ_WRITE = 0x05;

    /**
     * Full caching - Read, Write and Handle (RWH)
     */
    public static final int SMB2_LEASE_FULL = 0x07;

    private final int sharing;

    /**
     * Instantiate a random access file from URL
     *
     * @param url the SMB URL of the file to access
     * @param mode the access mode ("r" for read-only, "rw" for read-write)
     * @param sharing the sharing flags for file access
     * @param tc the CIFS context to use for the connection
     * @throws SmbException if an SMB error occurs

	{0, 1, io.EOF, nil, nil},
}

func TestReaderWriteToErrors(t *testing.T) {
	for i, rw := range errorWriterToTests {
		r := NewReader(rw)
		if _, err := r.WriteTo(rw); err != rw.expected {
			t.Errorf("r.WriteTo(errorWriterToTests[%d]) = _, %v, want _,%v", i, err, rw.expected)
		}
	}
}

func TestWriterReadFrom(t *testing.T) {
	ws := []func(io.Writer) io.Writer{

        // Mock the open method to do nothing
        doNothing().when(smbFile).open(anyInt(), anyInt(), anyInt(), anyInt());

        smbRandomAccessFile = new SmbRandomAccessFile(smbFile, "rw");
    }

    @Test
    void testConstructor() throws SmbException {
        assertNotNull(smbRandomAccessFile);
        assertEquals(0, smbRandomAccessFile.getFilePointer());
    }

    @Test

	if !s.IsValid(w, r) {
		return
	}
	rw := streamHTTPResponse(w)
	defer func() {
		if r := recover(); r != nil {
			debug.PrintStack()
			rw.CloseWithError(fmt.Errorf("panic: %v", r))
		}
	}()

	var req ReadMultipleReq
	mr := msgpNewReader(r.Body)
	defer readMsgpReaderPoolPut(mr)
	err := req.DecodeMsg(mr)
	if err != nil {
		rw.CloseWithError(err)
		return
	}

    @Throws(IOException::class)
    fun edit(
      file: File,
      upstream: Source,
      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)

            // Given
            when(mockResource.openRandomAccess("rw")).thenReturn(mockRandomAccess);
            when(mockResource.openRandomAccess("r", 1)).thenReturn(mockRandomAccess);

            // When
            SmbRandomAccess ra1 = mockResource.openRandomAccess("rw");
            SmbRandomAccess ra2 = mockResource.openRandomAccess("r", 1);

            // Then