{"DATA", "0", "expect two operands for DATA"},
		{"DATA", "(0), 1", "expect /size for DATA argument"},
		{"DATA", "@B(SB)/4,0", "expected '(', found B"}, // Issue 23580.
		{"DATA", "·A(SB)/4,0", "DATA value must be an immediate constant or address"},
		{"DATA", "·B(SB)/4,$0", ""},
		{"DATA", "·C(SB)/5,$0", "bad int size for DATA argument: 5"},
		{"DATA", "·D(SB)/5,$0.0", "bad float size for DATA argument: 5"},

	if got, want := NewReader(nil).Size(), DefaultBufSize; got != want {
		t.Errorf("NewReader's Reader.Size = %d; want %d", got, want)
	}
	if got, want := NewReaderSize(nil, 1234).Size(), 1234; got != want {
		t.Errorf("NewReaderSize's Reader.Size = %d; want %d", got, want)
	}
}

func TestWriterSize(t *testing.T) {
	if got, want := NewWriter(nil).Size(), DefaultBufSize; got != want {

import (
	"unicode/utf8"
)

var IsSpace = isSpace

const DefaultBufSize = defaultBufSize

func (s *Scanner) MaxTokenSize(n int) {
	if n < utf8.UTFMax || n > 1e9 {
		panic("bad max token size")
	}
	if n < len(s.buf) {
		s.buf = make([]byte, n)
	}
	s.maxTokenSize = n
}

// ErrOrEOF is like Err, but returns EOF. Used to test a corner case.
func (s *Scanner) ErrOrEOF() error {
	return s.err

pkg debug/macho, type FatArchHeader struct, Size uint32
pkg debug/macho, type FatArchHeader struct, SubCpu uint32
pkg debug/macho, type FatFile struct
pkg debug/macho, type FatFile struct, Arches []FatArch
pkg debug/macho, type FatFile struct, Magic uint32
pkg debug/macho, var ErrNotFat *FormatError
pkg debug/pe, type DataDirectory struct
pkg debug/pe, type DataDirectory struct, Size uint32

pkg database/sql, type NullTime struct, Time time.Time
pkg database/sql, type NullTime struct, Valid bool
pkg debug/dwarf, method (*UnsupportedType) Common() *CommonType
pkg debug/dwarf, method (*UnsupportedType) Size() int64
pkg debug/dwarf, method (*UnsupportedType) String() string
pkg debug/dwarf, type UnsupportedType struct
pkg debug/dwarf, type UnsupportedType struct, embedded CommonType

</pre>

<p>
A (variable of) type <code>T</code> has <i>variable size</i> if <code>T</code>
is a <a href="#Type_parameter_declarations">type parameter</a>, or if it is an
array or struct type containing elements
or fields of variable size. Otherwise the size is <i>constant</i>.
Calls to <code>Alignof</code>, <code>Offsetof</code>, and <code>Sizeof</code>
are compile-time <a href="#Constant_expressions">constant expressions</a> of

		}
		if v, ok := h.PAXRecords[paxKey]; ok && v == s {
			paxHdrs[paxKey] = v
		}
	}
	verifyNumeric := func(n int64, size int, name, paxKey string) {
		if !fitsInBase256(size, n) {
			whyNoGNU = fmt.Sprintf("GNU cannot encode %s=%d", name, n)
			format.mustNotBe(FormatGNU)
		}
		if !fitsInOctal(size, n) {
			whyNoUSTAR = fmt.Sprintf("USTAR cannot encode %s=%d", name, n)
			format.mustNotBe(FormatUSTAR)

// converted to int they correspond to the rune size that was read.
type readOp int8

// Don't use iota for these, as the values need to correspond with the
// names and comments, which is easier to see when being explicit.
const (
	opRead      readOp = -1 // Any other read operation.
	opInvalid   readOp = 0  // Non-read operation.
	opReadRune1 readOp = 1  // Read rune of size 1.
	opReadRune2 readOp = 2  // Read rune of size 2.

		if err != nil {
			t.Logf("reading data of note section %d: %v", i, err)
			continue
		}

		for len(d) > 0 {

			// ELF standards differ as to the sizes in
			// note sections.  Both the GNU linker and
			// gold always generate 32-bit sizes, so that
			// is what we assume here.

			if len(d) < 12 {
				t.Logf("note section %d too short (%d < 12)", i, len(d))
				continue sections
			}

			fr = &regFileReader{r, maker.size}
		case makeSparse:
			if !validateSparseEntries(maker.spd, maker.size) {
				t.Fatalf("invalid sparse map: %v", maker.spd)
			}
			sph := invertSparseEntries(maker.spd, maker.size)
			r := testNonEmptyReader{strings.NewReader(maker.makeReg.str)}
			fr = &regFileReader{r, maker.makeReg.size}
			fr = &sparseFileReader{fr, sph, 0}
		default: