// skip may not be supported... at any rate, try reading
    } finally {
      closer.close();
    }

    closer = Closer.create();
    try {
      InputStream in = closer.register(openStream());
      return ByteStreams.exhaust(in);
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

        opCodeString = switch (this.opCode) {
        case QUERY -> "QUERY";
        case WACK -> "WACK";
        default -> Integer.toString(this.opCode);
        };
        resultCodeString = switch (this.resultCode) {
        case FMT_ERR -> "FMT_ERR";
        case SRV_ERR -> "SRV_ERR";
        case IMP_ERR -> "IMP_ERR";
        case RFS_ERR -> "RFS_ERR";
        case ACT_ERR -> "ACT_ERR";
        case CFT_ERR -> "CFT_ERR";

        case QUERY -> "QUERY";
        case WACK -> "WACK";
        default -> Integer.toString(opCode);
        };
        resultCodeString = switch (resultCode) {
        case FMT_ERR -> "FMT_ERR";
        case SRV_ERR -> "SRV_ERR";
        case IMP_ERR -> "IMP_ERR";
        case RFS_ERR -> "RFS_ERR";
        case ACT_ERR -> "ACT_ERR";
        case CFT_ERR -> "CFT_ERR";

      // or closed (so RSTing both streams doesn't cause harm).
      this@Http2Stream.close(ErrorCode.CANCEL, null)
    } else if (!open) {
      connection.removeStream(id)
    }
  }

  /** A sink that writes outgoing data frames of a stream. This class is not thread safe. */
  inner class FramingSink(
    /** True if either side has cleanly shut down this stream. We shall send no more bytes. */

        switch (resp.errorCode) {
        case NtStatus.NT_STATUS_SUCCESS:
            break;
        case NtStatus.NT_STATUS_ACCESS_DENIED:
        case NtStatus.NT_STATUS_WRONG_PASSWORD:
        case NtStatus.NT_STATUS_LOGON_FAILURE:
        case NtStatus.NT_STATUS_ACCOUNT_RESTRICTION:
        case NtStatus.NT_STATUS_INVALID_LOGON_HOURS:
        case NtStatus.NT_STATUS_INVALID_WORKSTATION:

            class CustomSmbTree extends SmbTreeImpl {
                CustomSmbTree() {
                    super(session, "SHARE", "A:");
                }
            }
            tree.unwrap(CustomSmbTree.class);
        });
    }

    // Test case for acquire and release methods
    @Test
    void testAcquireAndRelease() {
        SmbTreeImpl tree = new SmbTreeImpl(session, "SHARE", "A:");

        if (entry == null)
            return;

        switch (changeType) {
        case FILE_ADDED:
            // Invalidate cache - we need to fetch new file info
            entry.invalidate();
            break;

        case FILE_REMOVED:
            entry.removeChild(childName);
            break;

        case FILE_MODIFIED:
            // Remove from cache to force refresh

    public void testCloseNull() throws Exception {
        CloseableUtil.close((OutputStream) null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testClose_noThrowIOException() throws Exception {
        final OutputStream out = new IOExceptionOccurOutputStream();
        CloseableUtil.close(out);
    }

    private static class NotifyOutputStream extends OutputStream {
        private String notify_;

/**
 * Unit test for {@link AppendableWriter}.
 *
 * @author Alan Green
 */
@NullUnmarked
public class AppendableWriterTest extends IoTestCase {

  /** Helper class for testing behavior with Flushable and Closeable targets. */
  private static class SpyAppendable implements Appendable, Flushable, Closeable {
    boolean flushed;
    boolean closed;
    final StringBuilder result = new StringBuilder();

            + "loader instead. As a result, you will not be able to garbage collect this class "
            + "loader. To support reclaiming this class loader, either resolve the underlying "
            + "issue, or move Guava to your system class path.";

    @Override
    public @Nullable Class<?> loadFinalizer() {
      /*
       * We use URLClassLoader because it's the only concrete class loader implementation in the