"sync/atomic"
	"testing"
)

var tmp = flag.String("tmp", "", "use `dir` for temporary files and do not clean up")

// ptrTest is the tests without the boilerplate.
type ptrTest struct {
	name      string   // for reporting
	c         string   // the cgo comment
	c1        string   // cgo comment forced into non-export cgo file
	imports   []string // a list of imports
	support   string   // supporting functions

			testHeader{Header{
				Typeflag:   TypeXGlobalHeader,
				PAXRecords: map[string]string{"path": "global1", "mtime": "1500000000.0"},
			}, nil},
			testHeader{Header{
				Typeflag: TypeReg, Name: "file1",
			}, nil},
			testHeader{Header{
				Typeflag:   TypeReg,
				Name:       "file2",
				PAXRecords: map[string]string{"path": "file2"},
			}, nil},
			testHeader{Header{
				Typeflag:   TypeXGlobalHeader,

	// Go string to C string
	// The C string is allocated in the C heap using malloc.
	// It is the caller's responsibility to arrange for it to be
	// freed, such as by calling C.free (be sure to include stdlib.h
	// if C.free is needed).
	func C.CString(string) *C.char

	// Go []byte slice to C array
	// The C array is allocated in the C heap using malloc.

	}

	if string(bytes) != s {
		t.Errorf("%s: string(buf.Bytes()) == %q, s == %q", testname, string(bytes), s)
	}
}

// Fill buf through n writes of string fus.
// The initial contents of buf corresponds to the string s;
// the result is the final contents of buf returned as a string.
func fillString(t *testing.T, testname string, buf *Buffer, s string, n int, fus string) string {
	check(t, testname+" (fill 1)", buf, s)

func (f *Format) mayOnlyBe(f2 Format) { *f &= f2 }
func (f *Format) mustNotBe(f2 Format) { *f &^= f2 }

var formatNames = map[Format]string{
	formatV7: "V7", FormatUSTAR: "USTAR", FormatPAX: "PAX", FormatGNU: "GNU", formatSTAR: "STAR",
}

func (f Format) String() string {
	var ss []string
	for f2 := Format(1); f2 < formatMax; f2 <<= 1 {
		if f.has(f2) {
			ss = append(ss, formatNames[f2])
		}
	}
	switch len(ss) {

	}
	return string(out)
}

func runExe(t *testing.T, extraEnv []string, args ...string) string {
	t.Helper()
	return run(t, extraEnv, args...)
}

func runCC(t *testing.T, args ...string) string {
	t.Helper()
	// This function is run in parallel, so append to a copy of cc
	// rather than cc itself.
	return run(t, nil, append(append([]string(nil), cc...), args...)...)
}

	}
	return nil
}

type (
	stringFormatter func([]byte, string)
	numberFormatter func([]byte, int64)
)

// templateV7Plus fills out the V7 fields of a block using values from hdr.
// It also fills out fields (uname, gname, devmajor, devminor) that are
// shared in the USTAR, PAX, and GNU formats using the provided formatters.
//
// The block returned is only valid until the next call to

that may not be expressible using a single hardware instruction.
It implements these forms as multiple instructions, often using the <code>R11</code> register
to hold temporary values.
Hand-written assembly can use <code>R11</code>, but doing so requires
being sure that the linker is not also using it to implement any of the other
instructions in the function.
</p>

<p>

				}
			}
		})
	}
}

type operandTest struct {
	input, output string
}

type badOperandTest struct {
	input, error string
}

// Examples collected by scanning all the assembly in the standard repo.

var amd64OperandTests = []operandTest{
	{"$(-1.0)", "$(-1.0)"},
	{"$(0.0)", "$(0.0)"},

			return b.WriteString(string(r))
		}
	}
	size = utf8.EncodeRune(b.buf[b.n:], r)
	b.n += size
	return size, nil
}

// WriteString writes a string.
// It returns the number of bytes written.
// If the count is less than len(s), it also returns an error explaining
// why the write is short.
func (b *Writer) WriteString(s string) (int, error) {
	var sw io.StringWriter