case nil:
				r.err = io.EOF
				return io.EOF
			case io.EOF:
				r.err = io.ErrUnexpectedEOF
				return io.ErrUnexpectedEOF
			}
			return err
		}

		if err := r.mr.Skip(); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}
			r.err = err
			return err
		}
		if err := r.mr.Skip(); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}

        }
        return Encdec.dec_uint32be( tmp, 0 );
    }
    public final long readLong() throws SmbException {
        if((read( tmp, 0, 8 )) < 0 ) {
            throw new SmbException( "EOF" );
        }
        return Encdec.dec_uint64be( tmp, 0 );
    }
    public final float readFloat() throws SmbException {
        if((read( tmp, 0, 4 )) < 0 ) {
            throw new SmbException( "EOF" );
        }

	buf.Reset()

	// check at EOF
	if err := buf.UnreadRune(); err == nil {
		t.Fatal("UnreadRune at EOF: got no error")
	}
	if _, _, err := buf.ReadRune(); err == nil {
		t.Fatal("ReadRune at EOF: got no error")
	}
	if err := buf.UnreadRune(); err == nil {
		t.Fatal("UnreadRune after ReadRune at EOF: got no error")
	}

	// check not at EOF
	buf.Write(b)
	for r := rune(0); r < NRune; r++ {

		{data2[:2048] + trash, 1, ErrHeader},
		{data2[:2560], 1, io.EOF}, // Exactly 2 empty blocks (normal end-of-stream)
		{data2[:2560] + trash[:1], 1, io.EOF},
		{data2[:2560] + trash[:511], 1, io.EOF},
		{data2[:2560] + trash, 1, io.EOF},
		{data2[:3072], 1, io.EOF},
		{pax, 0, io.EOF}, // PAX header without data is a "valid" tar file
		{pax + trash[:1], 0, io.ErrUnexpectedEOF},

	return &Scanner{
		r:            r,
		split:        ScanLines,
		maxTokenSize: MaxScanTokenSize,
	}
}

// Err returns the first non-EOF error that was encountered by the [Scanner].
func (s *Scanner) Err() error {
	if s.err == io.EOF {
		return nil
	}
	return s.err
}

// Bytes returns the most recent token generated by a call to [Scanner.Scan].

		// Marker not common with prefix is not implemented. Send an empty response
		if !HasPrefix(o.Marker, o.Prefix) {
			return entries, io.EOF
		}
	}

	// With max keys of zero we have reached eof, return right here.
	if o.Limit == 0 {
		return entries, io.EOF
	}

	// For delimiter and prefix as '/' we do not list anything at all
	// along // with the prefix. On a flat namespace with 'prefix'

	_, err = io.ReadFull(cr.reader, signature[:])
	if err == io.EOF {
		err = io.ErrUnexpectedEOF
	}
	if err != nil {
		cr.err = err
		return n, cr.err
	}
	if !bytes.HasPrefix(signature[:], []byte("chunk-signature=")) {
		cr.err = errMalformedEncoding
		return n, cr.err
	}
	b, err := cr.reader.ReadByte()
	if err == io.EOF {
		err = io.ErrUnexpectedEOF
	}
	if err != nil {
		cr.err = err

// what is required to hold the contents of r, ReadFrom will not grow the
// underlying buffer.
const MinRead = 512

// ReadFrom reads data from r until EOF and appends it to the buffer, growing
// the buffer as needed. The return value n is the number of bytes read. Any
// error except io.EOF encountered during the read is also returned. If the
// buffer becomes too large, ReadFrom will panic with [ErrTooLarge].

  cat > $BATS_TEST_TMPDIR/allowed_to_be_missing <<EOF
@absl_py//absl
@bazel_tools//platforms
@bazel_tools//third_party/
@bazel_tools//tools
@local
@com_google_absl//absl
@org_tensorflow//
@com_github_googlecloudplatform_google_cloud_cpp//google
@com_github_grpc_grpc//src/compiler
@platforms//os
@ruy//
EOF

  # grep patterns for targets which are allowed to be extra licenses

	r := loadMetacacheSample(t)
	defer r.Close()
	entries, err := r.readN(-1, false, true, false, "")
	if err != io.EOF {
		t.Fatal(err)
	}

	return entries
}

func Test_metacacheReader_readNames(t *testing.T) {
	r := loadMetacacheSample(t)
	defer r.Close()
	names, err := r.readNames(-1)
	if err != io.EOF {
		t.Fatal(err)
	}
	want := loadMetacacheSampleNames
	if !reflect.DeepEqual(names, want) {