// nil tests
	{nil, nil, 0},
	{[]byte(""), nil, 0},
	{nil, []byte(""), 0},
	{[]byte("a"), nil, 1},
	{nil, []byte("a"), -1},
}

func TestCompare(t *testing.T) {
	for _, tt := range compareTests {
		numShifts := 16
		buffer := make([]byte, len(tt.b)+numShifts)
		// vary the input alignment of tt.b
		for offset := 0; offset <= numShifts; offset++ {
			shiftedB := buffer[offset : len(tt.b)+offset]

		}
	}
	wantErr = regexp.MustCompile("^no exit code")
	check("abc")
	check("exitcode")
	check("exitcode=")
	check("exitcode=123\n")
	wantErr = regexp.MustCompile("^bad exit code: .* value out of range")
	check("exitcode=999999999999999999999999")

	}

	// Forward SIGQUIT from the go command to show backtraces from
	// the binary instead of from this wrapper.
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGQUIT)
	go func() {
		for range quit {
			// We don't have the PID of the running process; use the
			// binary name instead.
			adb("exec-out", "killall -QUIT "+binName)
		}
	}()
	cmd := `export TMPDIR="` + deviceGotmp + `"` +

pkg go/token, const OR_ASSIGN Token
pkg go/token, const PACKAGE Token
pkg go/token, const PERIOD Token
pkg go/token, const QUO Token
pkg go/token, const QUO_ASSIGN Token
pkg go/token, const RANGE Token
pkg go/token, const RBRACE Token
pkg go/token, const RBRACK Token
pkg go/token, const REM Token
pkg go/token, const REM_ASSIGN Token
pkg go/token, const RETURN Token
pkg go/token, const RPAREN Token

		// Handle some special cases.
		specialMapping := map[string]arm64.SpecialOperand{
			// The internal representation of CS(CC) and HS(LO) are the same.
			"CS": arm64.SPOP_HS,
			"CC": arm64.SPOP_LO,
		}
		for s, opd := range specialMapping {
			arm64SpecialOperand[s] = opd
		}
	}
	if opd, ok := arm64SpecialOperand[name]; ok {
		return opd
	}
	return arm64.SPOP_END
}

pkg fmt, func FormatString(State, int32) string #51668
pkg go/ast, type File struct, FileEnd token.Pos #53202
pkg go/ast, type File struct, FileStart token.Pos #53202
pkg go/ast, type RangeStmt struct, Range token.Pos #50429
pkg go/token, method (*FileSet) RemoveFile(*File) #53200
pkg go/types, func Satisfies(Type, *Interface) bool #56548
pkg io/fs, var SkipAll error #47209

	{
		"nested #define with args",
		lines(
			"#define A #define B (x) x",
			"A",
			"B(THIS)",
		),
		"x.\n",
	},
	*/
}

func TestLex(t *testing.T) {
	for _, test := range lexTests {
		input := NewInput(test.name)
		input.Push(NewTokenizer(test.name, strings.NewReader(test.input), nil))
		result := drain(input)
		if result != test.output {

	full, frag, n, err := b.collectFragments(delim)
	// Allocate new buffer to hold the full pieces and the fragment.
	buf := make([]byte, n)
	n = 0
	// Copy full pieces and fragment in.
	for i := range full {
		n += copy(buf[n:], full[i])
	}
	copy(buf[n:], frag)
	return buf, err
}

// ReadString reads until the first occurrence of delim in the input,

pkg go/token, const OR = 18
pkg go/token, const OR_ASSIGN = 29
pkg go/token, const PACKAGE = 78
pkg go/token, const PERIOD = 53
pkg go/token, const QUO = 15
pkg go/token, const QUO_ASSIGN = 26
pkg go/token, const RANGE = 79
pkg go/token, const RBRACE = 56
pkg go/token, const RBRACK = 55
pkg go/token, const REM = 16
pkg go/token, const REM_ASSIGN = 27
pkg go/token, const RETURN = 80
pkg go/token, const RPAREN = 54

	}
	return readGNUSparseMap0x1(hdr.PAXRecords)
}

// mergePAX merges paxHdrs into hdr for all relevant fields of Header.
func mergePAX(hdr *Header, paxHdrs map[string]string) (err error) {
	for k, v := range paxHdrs {
		if v == "" {
			continue // Keep the original USTAR value
		}
		var id64 int64
		switch k {
		case paxPath:
			hdr.Name = v
		case paxLinkpath:
			hdr.Linkname = v
		case paxUname: