Imported Upstream version 60

3 files changed, 0 insertions, 744 deletions

diff --git a/src/pkg/encoding/binary/Makefile b/src/pkg/encoding/binary/Makefile
deleted file mode 100644
index dc46abe90..000000000
--- a/src/pkg/encoding/binary/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-# Copyright 2009 The Go Authors.  All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-include ../../../Make.inc
-
-TARG=encoding/binary
-GOFILES=\
-	binary.go\
-
-include ../../../Make.pkg
diff --git a/src/pkg/encoding/binary/binary.go b/src/pkg/encoding/binary/binary.go
deleted file mode 100644
index 8e55cb23b..000000000
--- a/src/pkg/encoding/binary/binary.go
+++ /dev/null
@@ -1,498 +0,0 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package binary implements translation between
-// unsigned integer values and byte sequences
-// and the reading and writing of fixed-size values.
-package binary
-
-import (
-	"math"
-	"io"
-	"os"
-	"reflect"
-)
-
-// A ByteOrder specifies how to convert byte sequences into
-// 16-, 32-, or 64-bit unsigned integers.
-type ByteOrder interface {
-	Uint16(b []byte) uint16
-	Uint32(b []byte) uint32
-	Uint64(b []byte) uint64
-	PutUint16([]byte, uint16)
-	PutUint32([]byte, uint32)
-	PutUint64([]byte, uint64)
-	String() string
-}
-
-// This is byte instead of struct{} so that it can be compared,
-// allowing, e.g., order == binary.LittleEndian.
-type unused byte
-
-// LittleEndian is the little-endian implementation of ByteOrder.
-var LittleEndian littleEndian
-
-// BigEndian is the big-endian implementation of ByteOrder.
-var BigEndian bigEndian
-
-type littleEndian unused
-
-func (littleEndian) Uint16(b []byte) uint16 { return uint16(b[0]) | uint16(b[1])<<8 }
-
-func (littleEndian) PutUint16(b []byte, v uint16) {
-	b[0] = byte(v)
-	b[1] = byte(v >> 8)
-}
-
-func (littleEndian) Uint32(b []byte) uint32 {
-	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-}
-
-func (littleEndian) PutUint32(b []byte, v uint32) {
-	b[0] = byte(v)
-	b[1] = byte(v >> 8)
-	b[2] = byte(v >> 16)
-	b[3] = byte(v >> 24)
-}
-
-func (littleEndian) Uint64(b []byte) uint64 {
-	return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
-		uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-}
-
-func (littleEndian) PutUint64(b []byte, v uint64) {
-	b[0] = byte(v)
-	b[1] = byte(v >> 8)
-	b[2] = byte(v >> 16)
-	b[3] = byte(v >> 24)
-	b[4] = byte(v >> 32)
-	b[5] = byte(v >> 40)
-	b[6] = byte(v >> 48)
-	b[7] = byte(v >> 56)
-}
-
-func (littleEndian) String() string { return "LittleEndian" }
-
-func (littleEndian) GoString() string { return "binary.LittleEndian" }
-
-type bigEndian unused
-
-func (bigEndian) Uint16(b []byte) uint16 { return uint16(b[1]) | uint16(b[0])<<8 }
-
-func (bigEndian) PutUint16(b []byte, v uint16) {
-	b[0] = byte(v >> 8)
-	b[1] = byte(v)
-}
-
-func (bigEndian) Uint32(b []byte) uint32 {
-	return uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24
-}
-
-func (bigEndian) PutUint32(b []byte, v uint32) {
-	b[0] = byte(v >> 24)
-	b[1] = byte(v >> 16)
-	b[2] = byte(v >> 8)
-	b[3] = byte(v)
-}
-
-func (bigEndian) Uint64(b []byte) uint64 {
-	return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
-		uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
-}
-
-func (bigEndian) PutUint64(b []byte, v uint64) {
-	b[0] = byte(v >> 56)
-	b[1] = byte(v >> 48)
-	b[2] = byte(v >> 40)
-	b[3] = byte(v >> 32)
-	b[4] = byte(v >> 24)
-	b[5] = byte(v >> 16)
-	b[6] = byte(v >> 8)
-	b[7] = byte(v)
-}
-
-func (bigEndian) String() string { return "BigEndian" }
-
-func (bigEndian) GoString() string { return "binary.BigEndian" }
-
-// Read reads structured binary data from r into data.
-// Data must be a pointer to a fixed-size value or a slice
-// of fixed-size values.
-// A fixed-size value is either a fixed-size arithmetic
-// type (int8, uint8, int16, float32, complex64, ...)
-// or an array or struct containing only fixed-size values.
-// Bytes read from r are decoded using the specified byte order
-// and written to successive fields of the data.
-func Read(r io.Reader, order ByteOrder, data interface{}) os.Error {
-	// Fast path for basic types.
-	if n := intDestSize(data); n != 0 {
-		var b [8]byte
-		bs := b[:n]
-		if _, err := io.ReadFull(r, bs); err != nil {
-			return err
-		}
-		switch v := data.(type) {
-		case *int8:
-			*v = int8(b[0])
-		case *uint8:
-			*v = b[0]
-		case *int16:
-			*v = int16(order.Uint16(bs))
-		case *uint16:
-			*v = order.Uint16(bs)
-		case *int32:
-			*v = int32(order.Uint32(bs))
-		case *uint32:
-			*v = order.Uint32(bs)
-		case *int64:
-			*v = int64(order.Uint64(bs))
-		case *uint64:
-			*v = order.Uint64(bs)
-		}
-		return nil
-	}
-
-	// Fallback to reflect-based.
-	var v reflect.Value
-	switch d := reflect.ValueOf(data); d.Kind() {
-	case reflect.Ptr:
-		v = d.Elem()
-	case reflect.Slice:
-		v = d
-	default:
-		return os.NewError("binary.Read: invalid type " + d.Type().String())
-	}
-	size := TotalSize(v)
-	if size < 0 {
-		return os.NewError("binary.Read: invalid type " + v.Type().String())
-	}
-	d := &decoder{order: order, buf: make([]byte, size)}
-	if _, err := io.ReadFull(r, d.buf); err != nil {
-		return err
-	}
-	d.value(v)
-	return nil
-}
-
-// Write writes the binary representation of data into w.
-// Data must be a fixed-size value or a pointer to
-// a fixed-size value.
-// A fixed-size value is either a fixed-size arithmetic
-// type (int8, uint8, int16, float32, complex64, ...)
-// or an array or struct containing only fixed-size values.
-// Bytes written to w are encoded using the specified byte order
-// and read from successive fields of the data.
-func Write(w io.Writer, order ByteOrder, data interface{}) os.Error {
-	// Fast path for basic types.
-	var b [8]byte
-	var bs []byte
-	switch v := data.(type) {
-	case *int8:
-		bs = b[:1]
-		b[0] = byte(*v)
-	case int8:
-		bs = b[:1]
-		b[0] = byte(v)
-	case *uint8:
-		bs = b[:1]
-		b[0] = *v
-	case uint8:
-		bs = b[:1]
-		b[0] = byte(v)
-	case *int16:
-		bs = b[:2]
-		order.PutUint16(bs, uint16(*v))
-	case int16:
-		bs = b[:2]
-		order.PutUint16(bs, uint16(v))
-	case *uint16:
-		bs = b[:2]
-		order.PutUint16(bs, *v)
-	case uint16:
-		bs = b[:2]
-		order.PutUint16(bs, v)
-	case *int32:
-		bs = b[:4]
-		order.PutUint32(bs, uint32(*v))
-	case int32:
-		bs = b[:4]
-		order.PutUint32(bs, uint32(v))
-	case *uint32:
-		bs = b[:4]
-		order.PutUint32(bs, *v)
-	case uint32:
-		bs = b[:4]
-		order.PutUint32(bs, v)
-	case *int64:
-		bs = b[:8]
-		order.PutUint64(bs, uint64(*v))
-	case int64:
-		bs = b[:8]
-		order.PutUint64(bs, uint64(v))
-	case *uint64:
-		bs = b[:8]
-		order.PutUint64(bs, *v)
-	case uint64:
-		bs = b[:8]
-		order.PutUint64(bs, v)
-	}
-	if bs != nil {
-		_, err := w.Write(bs)
-		return err
-	}
-	v := reflect.Indirect(reflect.ValueOf(data))
-	size := TotalSize(v)
-	if size < 0 {
-		return os.NewError("binary.Write: invalid type " + v.Type().String())
-	}
-	buf := make([]byte, size)
-	e := &encoder{order: order, buf: buf}
-	e.value(v)
-	_, err := w.Write(buf)
-	return err
-}
-
-func TotalSize(v reflect.Value) int {
-	if v.Kind() == reflect.Slice {
-		elem := sizeof(v.Type().Elem())
-		if elem < 0 {
-			return -1
-		}
-		return v.Len() * elem
-	}
-	return sizeof(v.Type())
-}
-
-func sizeof(t reflect.Type) int {
-	switch t.Kind() {
-	case reflect.Array:
-		n := sizeof(t.Elem())
-		if n < 0 {
-			return -1
-		}
-		return t.Len() * n
-
-	case reflect.Struct:
-		sum := 0
-		for i, n := 0, t.NumField(); i < n; i++ {
-			s := sizeof(t.Field(i).Type)
-			if s < 0 {
-				return -1
-			}
-			sum += s
-		}
-		return sum
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
-		reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
-		reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128:
-		return int(t.Size())
-	}
-	return -1
-}
-
-type decoder struct {
-	order ByteOrder
-	buf   []byte
-}
-
-type encoder struct {
-	order ByteOrder
-	buf   []byte
-}
-
-func (d *decoder) uint8() uint8 {
-	x := d.buf[0]
-	d.buf = d.buf[1:]
-	return x
-}
-
-func (e *encoder) uint8(x uint8) {
-	e.buf[0] = x
-	e.buf = e.buf[1:]
-}
-
-func (d *decoder) uint16() uint16 {
-	x := d.order.Uint16(d.buf[0:2])
-	d.buf = d.buf[2:]
-	return x
-}
-
-func (e *encoder) uint16(x uint16) {
-	e.order.PutUint16(e.buf[0:2], x)
-	e.buf = e.buf[2:]
-}
-
-func (d *decoder) uint32() uint32 {
-	x := d.order.Uint32(d.buf[0:4])
-	d.buf = d.buf[4:]
-	return x
-}
-
-func (e *encoder) uint32(x uint32) {
-	e.order.PutUint32(e.buf[0:4], x)
-	e.buf = e.buf[4:]
-}
-
-func (d *decoder) uint64() uint64 {
-	x := d.order.Uint64(d.buf[0:8])
-	d.buf = d.buf[8:]
-	return x
-}
-
-func (e *encoder) uint64(x uint64) {
-	e.order.PutUint64(e.buf[0:8], x)
-	e.buf = e.buf[8:]
-}
-
-func (d *decoder) int8() int8 { return int8(d.uint8()) }
-
-func (e *encoder) int8(x int8) { e.uint8(uint8(x)) }
-
-func (d *decoder) int16() int16 { return int16(d.uint16()) }
-
-func (e *encoder) int16(x int16) { e.uint16(uint16(x)) }
-
-func (d *decoder) int32() int32 { return int32(d.uint32()) }
-
-func (e *encoder) int32(x int32) { e.uint32(uint32(x)) }
-
-func (d *decoder) int64() int64 { return int64(d.uint64()) }
-
-func (e *encoder) int64(x int64) { e.uint64(uint64(x)) }
-
-func (d *decoder) value(v reflect.Value) {
-	switch v.Kind() {
-	case reflect.Array:
-		l := v.Len()
-		for i := 0; i < l; i++ {
-			d.value(v.Index(i))
-		}
-	case reflect.Struct:
-		l := v.NumField()
-		for i := 0; i < l; i++ {
-			d.value(v.Field(i))
-		}
-
-	case reflect.Slice:
-		l := v.Len()
-		for i := 0; i < l; i++ {
-			d.value(v.Index(i))
-		}
-
-	case reflect.Int8:
-		v.SetInt(int64(d.int8()))
-	case reflect.Int16:
-		v.SetInt(int64(d.int16()))
-	case reflect.Int32:
-		v.SetInt(int64(d.int32()))
-	case reflect.Int64:
-		v.SetInt(d.int64())
-
-	case reflect.Uint8:
-		v.SetUint(uint64(d.uint8()))
-	case reflect.Uint16:
-		v.SetUint(uint64(d.uint16()))
-	case reflect.Uint32:
-		v.SetUint(uint64(d.uint32()))
-	case reflect.Uint64:
-		v.SetUint(d.uint64())
-
-	case reflect.Float32:
-		v.SetFloat(float64(math.Float32frombits(d.uint32())))
-	case reflect.Float64:
-		v.SetFloat(math.Float64frombits(d.uint64()))
-
-	case reflect.Complex64:
-		v.SetComplex(complex(
-			float64(math.Float32frombits(d.uint32())),
-			float64(math.Float32frombits(d.uint32())),
-		))
-	case reflect.Complex128:
-		v.SetComplex(complex(
-			math.Float64frombits(d.uint64()),
-			math.Float64frombits(d.uint64()),
-		))
-	}
-}
-
-func (e *encoder) value(v reflect.Value) {
-	switch v.Kind() {
-	case reflect.Array:
-		l := v.Len()
-		for i := 0; i < l; i++ {
-			e.value(v.Index(i))
-		}
-	case reflect.Struct:
-		l := v.NumField()
-		for i := 0; i < l; i++ {
-			e.value(v.Field(i))
-		}
-	case reflect.Slice:
-		l := v.Len()
-		for i := 0; i < l; i++ {
-			e.value(v.Index(i))
-		}
-
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		switch v.Type().Kind() {
-		case reflect.Int8:
-			e.int8(int8(v.Int()))
-		case reflect.Int16:
-			e.int16(int16(v.Int()))
-		case reflect.Int32:
-			e.int32(int32(v.Int()))
-		case reflect.Int64:
-			e.int64(v.Int())
-		}
-
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		switch v.Type().Kind() {
-		case reflect.Uint8:
-			e.uint8(uint8(v.Uint()))
-		case reflect.Uint16:
-			e.uint16(uint16(v.Uint()))
-		case reflect.Uint32:
-			e.uint32(uint32(v.Uint()))
-		case reflect.Uint64:
-			e.uint64(v.Uint())
-		}
-
-	case reflect.Float32, reflect.Float64:
-		switch v.Type().Kind() {
-		case reflect.Float32:
-			e.uint32(math.Float32bits(float32(v.Float())))
-		case reflect.Float64:
-			e.uint64(math.Float64bits(v.Float()))
-		}
-
-	case reflect.Complex64, reflect.Complex128:
-		switch v.Type().Kind() {
-		case reflect.Complex64:
-			x := v.Complex()
-			e.uint32(math.Float32bits(float32(real(x))))
-			e.uint32(math.Float32bits(float32(imag(x))))
-		case reflect.Complex128:
-			x := v.Complex()
-			e.uint64(math.Float64bits(real(x)))
-			e.uint64(math.Float64bits(imag(x)))
-		}
-	}
-}
-
-// intDestSize returns the size of the integer that ptrType points to,
-// or 0 if the type is not supported.
-func intDestSize(ptrType interface{}) int {
-	switch ptrType.(type) {
-	case *int8, *uint8:
-		return 1
-	case *int16, *uint16:
-		return 2
-	case *int32, *uint32:
-		return 4
-	case *int64, *uint64:
-		return 8
-	}
-	return 0
-}
diff --git a/src/pkg/encoding/binary/binary_test.go b/src/pkg/encoding/binary/binary_test.go
deleted file mode 100644
index b266996f6..000000000
--- a/src/pkg/encoding/binary/binary_test.go
+++ /dev/null
@@ -1,235 +0,0 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package binary
-
-import (
-	"io"
-	"os"
-	"bytes"
-	"math"
-	"reflect"
-	"testing"
-)
-
-type Struct struct {
-	Int8       int8
-	Int16      int16
-	Int32      int32
-	Int64      int64
-	Uint8      uint8
-	Uint16     uint16
-	Uint32     uint32
-	Uint64     uint64
-	Float32    float32
-	Float64    float64
-	Complex64  complex64
-	Complex128 complex128
-	Array      [4]uint8
-}
-
-type T struct {
-	Int     int
-	Uint    uint
-	Uintptr uintptr
-	Array   [4]int
-}
-
-var s = Struct{
-	0x01,
-	0x0203,
-	0x04050607,
-	0x08090a0b0c0d0e0f,
-	0x10,
-	0x1112,
-	0x13141516,
-	0x1718191a1b1c1d1e,
-
-	math.Float32frombits(0x1f202122),
-	math.Float64frombits(0x232425262728292a),
-	complex(
-		math.Float32frombits(0x2b2c2d2e),
-		math.Float32frombits(0x2f303132),
-	),
-	complex(
-		math.Float64frombits(0x333435363738393a),
-		math.Float64frombits(0x3b3c3d3e3f404142),
-	),
-
-	[4]uint8{0x43, 0x44, 0x45, 0x46},
-}
-
-var big = []byte{
-	1,
-	2, 3,
-	4, 5, 6, 7,
-	8, 9, 10, 11, 12, 13, 14, 15,
-	16,
-	17, 18,
-	19, 20, 21, 22,
-	23, 24, 25, 26, 27, 28, 29, 30,
-
-	31, 32, 33, 34,
-	35, 36, 37, 38, 39, 40, 41, 42,
-	43, 44, 45, 46, 47, 48, 49, 50,
-	51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66,
-
-	67, 68, 69, 70,
-}
-
-var little = []byte{
-	1,
-	3, 2,
-	7, 6, 5, 4,
-	15, 14, 13, 12, 11, 10, 9, 8,
-	16,
-	18, 17,
-	22, 21, 20, 19,
-	30, 29, 28, 27, 26, 25, 24, 23,
-
-	34, 33, 32, 31,
-	42, 41, 40, 39, 38, 37, 36, 35,
-	46, 45, 44, 43, 50, 49, 48, 47,
-	58, 57, 56, 55, 54, 53, 52, 51, 66, 65, 64, 63, 62, 61, 60, 59,
-
-	67, 68, 69, 70,
-}
-
-var src = []byte{1, 2, 3, 4, 5, 6, 7, 8}
-var res = []int32{0x01020304, 0x05060708}
-
-func checkResult(t *testing.T, dir string, order, err os.Error, have, want interface{}) {
-	if err != nil {
-		t.Errorf("%v %v: %v", dir, order, err)
-		return
-	}
-	if !reflect.DeepEqual(have, want) {
-		t.Errorf("%v %v:\n\thave %+v\n\twant %+v", dir, order, have, want)
-	}
-}
-
-func testRead(t *testing.T, order ByteOrder, b []byte, s1 interface{}) {
-	var s2 Struct
-	err := Read(bytes.NewBuffer(b), order, &s2)
-	checkResult(t, "Read", order, err, s2, s1)
-}
-
-func testWrite(t *testing.T, order ByteOrder, b []byte, s1 interface{}) {
-	buf := new(bytes.Buffer)
-	err := Write(buf, order, s1)
-	checkResult(t, "Write", order, err, buf.Bytes(), b)
-}
-
-func TestBigEndianRead(t *testing.T) { testRead(t, BigEndian, big, s) }
-
-func TestLittleEndianRead(t *testing.T) { testRead(t, LittleEndian, little, s) }
-
-func TestBigEndianWrite(t *testing.T) { testWrite(t, BigEndian, big, s) }
-
-func TestLittleEndianWrite(t *testing.T) { testWrite(t, LittleEndian, little, s) }
-
-func TestBigEndianPtrWrite(t *testing.T) { testWrite(t, BigEndian, big, &s) }
-
-func TestLittleEndianPtrWrite(t *testing.T) { testWrite(t, LittleEndian, little, &s) }
-
-func TestReadSlice(t *testing.T) {
-	slice := make([]int32, 2)
-	err := Read(bytes.NewBuffer(src), BigEndian, slice)
-	checkResult(t, "ReadSlice", BigEndian, err, slice, res)
-}
-
-func TestWriteSlice(t *testing.T) {
-	buf := new(bytes.Buffer)
-	err := Write(buf, BigEndian, res)
-	checkResult(t, "WriteSlice", BigEndian, err, buf.Bytes(), src)
-}
-
-func TestWriteT(t *testing.T) {
-	buf := new(bytes.Buffer)
-	ts := T{}
-	err := Write(buf, BigEndian, ts)
-	if err == nil {
-		t.Errorf("WriteT: have nil, want non-nil")
-	}
-
-	tv := reflect.Indirect(reflect.ValueOf(ts))
-	for i, n := 0, tv.NumField(); i < n; i++ {
-		err = Write(buf, BigEndian, tv.Field(i).Interface())
-		if err == nil {
-			t.Errorf("WriteT.%v: have nil, want non-nil", tv.Field(i).Type())
-		}
-	}
-}
-
-type byteSliceReader struct {
-	remain []byte
-}
-
-func (br *byteSliceReader) Read(p []byte) (int, os.Error) {
-	n := copy(p, br.remain)
-	br.remain = br.remain[n:]
-	return n, nil
-}
-
-func BenchmarkRead(b *testing.B) {
-	var ls Struct
-	bsr := &byteSliceReader{}
-	var r io.Reader = bsr
-
-	for i := 0; i < b.N; i++ {
-		bsr.remain = big
-		Read(r, BigEndian, &ls.Int8)
-		Read(r, BigEndian, &ls.Int16)
-		Read(r, BigEndian, &ls.Int32)
-		Read(r, BigEndian, &ls.Int64)
-		Read(r, BigEndian, &ls.Uint8)
-		Read(r, BigEndian, &ls.Uint16)
-		Read(r, BigEndian, &ls.Uint32)
-		Read(r, BigEndian, &ls.Uint64)
-	}
-
-	want := s
-	want.Float32 = 0
-	want.Float64 = 0
-	want.Complex64 = 0
-	want.Complex128 = 0
-	for i := range want.Array {
-		want.Array[i] = 0
-	}
-	if !reflect.DeepEqual(ls, want) {
-		panic("no match")
-	}
-}
-
-func BenchmarkWrite(b *testing.B) {
-	buf := new(bytes.Buffer)
-	var w io.Writer = buf
-
-	for i := 0; i < b.N; i++ {
-		buf.Reset()
-		Write(w, BigEndian, &s.Int8)
-		Write(w, BigEndian, &s.Int16)
-		Write(w, BigEndian, &s.Int32)
-		Write(w, BigEndian, &s.Int64)
-		Write(w, BigEndian, &s.Uint8)
-		Write(w, BigEndian, &s.Uint16)
-		Write(w, BigEndian, &s.Uint32)
-		Write(w, BigEndian, &s.Uint64)
-		Write(w, BigEndian, s.Int8)
-		Write(w, BigEndian, s.Int16)
-		Write(w, BigEndian, s.Int32)
-		Write(w, BigEndian, s.Int64)
-		Write(w, BigEndian, s.Uint8)
-		Write(w, BigEndian, s.Uint16)
-		Write(w, BigEndian, s.Uint32)
-		Write(w, BigEndian, s.Uint64)
-	}
-
-	if !bytes.Equal(buf.Bytes()[:30], big[:30]) {
-		panic("first half doesn't match")
-	}
-	if !bytes.Equal(buf.Bytes()[30:], big[:30]) {
-		panic("second half doesn't match")
-	}
-}