// Arrange
        SmbPipeOutputStream out = newStream();
        when(handle.isOpen()).thenReturn(state);

        // Act
        boolean result = out.isOpen();

        // Assert
        assertEquals(state, result, "isOpen should reflect handle state");
        verify(handle, times(1)).isOpen();
    }

    @Test
    @DisplayName("ensureTreeConnected delegates and returns the tree handle")

        String result = cmd.toString();
        assertTrue(result.startsWith("NtTransQuerySecurityDesc["), "toString should start with class name");
        String hexFid = String.format("%04X", fid & 0xFFFF);
        String hexSec = String.format("%08X", securityInformation & 0xFFFFFFFFL);
        assertTrue(result.contains("fid=0x" + hexFid), () -> "Expected hex fid " + hexFid + " in: " + result);

        final SqlDateConverter converter = new SqlDateConverter("yyyy/MM/dd");
        final java.sql.Date result = (java.sql.Date) converter.getAsObject("2008/01/16");
        System.out.println(result);
        assertThat(converter.getAsString(result), is("2008/01/16"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIsTarget() throws Exception {

      length += array.length;
    }
    int[] result = new int[checkNoOverflow(length)];
    int pos = 0;
    for (int[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

  private static int checkNoOverflow(long result) {
    checkArgument(
        result == (int) result,

   * contains {@link Double#NEGATIVE_INFINITY} and not {@link Double#NaN} then the result is {@link
   * Double#NEGATIVE_INFINITY}. If it contains {@link Double#POSITIVE_INFINITY} and finite values
   * only then the result is the lowest finite value. If it contains {@link
   * Double#POSITIVE_INFINITY} only then the result is {@link Double#POSITIVE_INFINITY}.
   *

    /** The default current page number (1-based). */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /** The total number of records in the result set. */
    private int allRecordCount;

    /** The total number of pages in the result set. */
    private int allPageCount;

    /** Whether a previous page exists. */
    private boolean existPrePage;

    /** Whether a next page exists. */

        data.putValue("title", "Test Title");
        data.putValue("author", "John Doe");

        String result = data.toString();
        assertNotNull(result);
        assertTrue(result.contains("ExtractData"));
        assertTrue(result.contains("Test content"));
        assertTrue(result.contains("title"));
    }

    public void test_toStringEmpty() {
        // Test toString with empty data

        final int start = bufferIndex;
        SmbShareInfo e;

        setUseUnicode(false);

        final SmbShareInfo[] results = new SmbShareInfo[getNumEntries()];
        for (int i = 0; i < getNumEntries(); i++) {
            results[i] = e = new SmbShareInfo();
            e.netName = readString(buffer, bufferIndex, 13, false);
            bufferIndex += 14;

      length += array.length;
    }
    boolean[] result = new boolean[checkNoOverflow(length)];
    int pos = 0;
    for (boolean[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

  private static int checkNoOverflow(long result) {
    checkArgument(
        result == (int) result,

      length += array.length;
    }
    boolean[] result = new boolean[checkNoOverflow(length)];
    int pos = 0;
    for (boolean[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

  private static int checkNoOverflow(long result) {
    checkArgument(
        result == (int) result,