void removeAt(int i) {
    E[] items = this.items;
    // if removing front item, just advance
    if (i == takeIndex) {
      items[takeIndex] = null;
      takeIndex = inc(takeIndex);
    } else {
      // slide over all others up through putIndex.
      for (; ; ) {
        int nexti = inc(i);
        if (nexti != putIndex) {
          items[i] = items[nexti];
          i = nexti;
        } else {

  }

  /**
   * Returns a view of a slice of this byte source that is at most {@code length} bytes long
   * starting at the given {@code offset}. If {@code offset} is greater than the size of this
   * source, the returned source will be empty. If {@code offset + length} is greater than the size
   * of this source, the returned source will contain the slice starting at {@code offset} and
   * ending at the end of this source.

                Arguments.of(makeSeq(8), 0, 8, 0), // full copy at index 0
                Arguments.of(makeSeq(10), 2, 5, 3), // middle slice, non-zero dst index
                Arguments.of(makeSeq(4), 4, 0, 0), // zero-length slice at end
                Arguments.of(makeSeq(16), 7, 3, 0), // small slice from middle
                Arguments.of(makeSeq(16), 0, 0, 5) // zero-length with non-zero dst index
        );
    }

        from = partitionPoint + 1;
      }
    }
  }

  /**
   * Performs a partition operation on the slice of {@code array} with elements in the range [{@code
   * from}, {@code to}]. Uses the median of {@code from}, {@code to}, and the midpoint between them
   * as a pivot. Returns the index which the slice is partitioned around, i.e. if it returns {@code

/**
 * SMB2 SRV_COPYCHUNK_COPY response data structure. This structure contains the result
 * of a server-side copy operation.
 *
 * @author mbechler
 *
 */
public class SrvCopyChunkCopyResponse implements Decodable {

    /**
     * Constructs a new SrvCopyChunkCopyResponse.
     * This response contains the results of a server-side copy operation.
     */
    public SrvCopyChunkCopyResponse() {
    }

            assertDoesNotThrow(() -> SmbCopyUtil.copyFile(src, dest, buffers, 8, new WriterThread(), sh, dh));
        }
    }

    // --- Server-side copy path (SMB2 + same tree) for zero-length files ---

    @Test
    @DisplayName("copyFile uses server-side copy for zero-length and returns")
    void copyFile_serverSide_zeroLength_happyPath() throws Exception {
        // Arrange
        SmbFile src = mock(SmbFile.class);

 * that can be used for server-side copy operations.
 *
 * @author mbechler
 *
 */
public class SrvRequestResumeKeyResponse implements Decodable {

    /**
     * Constructs a new SrvRequestResumeKeyResponse.
     * This response contains the resume key used for server-side copy operations.
     */
    public SrvRequestResumeKeyResponse() {
    }

                return;
            } catch (final SmbUnsupportedOperationException e) {
                log.debug("Server side copy not supported, falling back to normal copying", e);
            } catch (final CIFSException e) {
                log.warn("Server side copy failed", e);
                throw SmbException.wrap(e);
            }
        }

            assertTrue(ctx.isEstablished(), "should be established");

            byte[] in = new byte[] { 9, 8, 7, 6 };
            assertArrayEquals(new byte[] { 8, 7 }, ctx.initSecContext(in, 1, 2), "slice should match");

            assertEquals("NBHOST", ctx.getNetbiosName(), "NetBIOS name");

            assertEquals(0xA5, ctx.getFlags(), "flags");
            assertTrue(ctx.supportsIntegrity(), "integrity supported");

    /**
     * Function code for server-side copy chunk operation
     */
    public static final int FSCTL_SRV_COPYCHUNK = 0x001440F2;
    /**
     * Function code to enumerate volume shadow copy snapshots
     */
    public static final int FSCTL_SRV_ENUMERATE_SNAPSHOTS = 0x00144064;
    /**
     * Function code to request a resume key for server-side copy
     */