check(t, "TestBasicOperations (5)", &buf, "ab")

		n, err = buf.Write(testBytes[2:26])
		if want := 24; err != nil || n != want {
			t.Errorf("Write: got (%d, %v), want (%d, %v)", n, err, want, nil)
		}
		check(t, "TestBasicOperations (6)", &buf, testString[0:26])

		buf.Truncate(26)
		check(t, "TestBasicOperations (7)", &buf, testString[0:26])

		buf.Truncate(20)
		check(t, "TestBasicOperations (8)", &buf, testString[0:20])

pkg debug/elf, const COMPRESS_ZLIB = 1
pkg debug/elf, const COMPRESS_ZLIB CompressionType
pkg debug/elf, const R_MIPS_16 = 1
pkg debug/elf, const R_MIPS_16 R_MIPS
pkg debug/elf, const R_MIPS_26 = 4
pkg debug/elf, const R_MIPS_26 R_MIPS
pkg debug/elf, const R_MIPS_32 = 2
pkg debug/elf, const R_MIPS_32 R_MIPS
pkg debug/elf, const R_MIPS_64 = 18
pkg debug/elf, const R_MIPS_64 R_MIPS
pkg debug/elf, const R_MIPS_ADD_IMMEDIATE = 34

		{"☺☻☹", "日a本b語ç", "27 ☺☻☹=日a本b語ç\n", true},
		{"xhello", "\x00world", "17 xhello=\x00world\n", true},
		{"path", "null\x00", "", false},
		{"null\x00", "value", "", false},
		{paxSchilyXattr + "key", "null\x00", "26 SCHILY.xattr.key=null\x00\n", true},
	}

	for _, v := range vectors {
		got, err := formatPAXRecord(v.inKey, v.inVal)
		ok := (err == nil)
		if ok != v.ok {
			if v.ok {

		t.Errorf("unexpected method and flags: %v", b[6:10])
	}

	if !bytes.Equal(b[14:26], make([]byte, 12)) { // FileHeader.{CRC32,CompressSize,UncompressedSize} all zero.
		t.Errorf("unexpected crc, compress and uncompressed size to be 0 was: %v", b[14:26])
	}

	binary.LittleEndian.PutUint32(sig[:], uint32(dataDescriptorSignature))
	if bytes.Contains(b, sig[:]) {

pkg debug/elf, const R_PPC64_REL16_LO = 250
pkg debug/elf, const R_PPC64_REL16_LO R_PPC64
pkg debug/elf, const R_PPC64_REL24 = 10
pkg debug/elf, const R_PPC64_REL24 R_PPC64
pkg debug/elf, const R_PPC64_REL32 = 26
pkg debug/elf, const R_PPC64_REL32 R_PPC64
pkg debug/elf, const R_PPC64_REL64 = 44
pkg debug/elf, const R_PPC64_REL64 R_PPC64
pkg debug/elf, const R_PPC64_TLS = 67
pkg debug/elf, const R_PPC64_TLS R_PPC64

	// Output:
	// 8
	// 9
	// -1
}

func ExampleMap() {
	rot13 := func(r rune) rune {
		switch {
		case r >= 'A' && r <= 'Z':
			return 'A' + (r-'A'+13)%26
		case r >= 'a' && r <= 'z':
			return 'a' + (r-'a'+13)%26
		}
		return r
	}
	fmt.Printf("%s\n", bytes.Map(rot13, []byte("'Twas brillig and the slithy gopher...")))
	// Output:
	// 'Gjnf oevyyvt naq gur fyvgul tbcure...
}

	//TODO VFCVTXN2 V0.D2, V21.S4              // 1568616e
	//TODO FCVTZS $26, F29, F19                // b3ff665f
	//TODO VFCVTZS $45, V14.D2, V18.D2         // d2fd534f
	//TODO FCVTZS F8, F7                       // 07b9a15e
	//TODO VFCVTZS V2.S2, V4.S2                // 44b8a10e
	//TODO FCVTZS $26, F7, R11                 // eb98181e
	//TODO FCVTZS $7, F4, ZR                   // 9fe4189e

// our zip performance, since the test above disabled CRC32 and flate.
func BenchmarkZip64Test(b *testing.B) {
	for i := 0; i < b.N; i++ {
		testZip64(b, 1<<26)
	}
}

func BenchmarkZip64TestSizes(b *testing.B) {
	for _, size := range []int64{1 << 12, 1 << 20, 1 << 26} {
		b.Run(fmt.Sprint(size), func(b *testing.B) {
			b.RunParallel(func(pb *testing.PB) {
				for pb.Next() {
					testZip64(b, size)
				}
			})

		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/333/file.txt",
		"0/1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/file.txt",

pkg debug/elf, const R_390_GOT20 R_390
pkg debug/elf, const R_390_GOT32 = 7
pkg debug/elf, const R_390_GOT32 R_390
pkg debug/elf, const R_390_GOT64 = 24
pkg debug/elf, const R_390_GOT64 R_390
pkg debug/elf, const R_390_GOTENT = 26
pkg debug/elf, const R_390_GOTENT R_390
pkg debug/elf, const R_390_GOTOFF = 13
pkg debug/elf, const R_390_GOTOFF R_390
pkg debug/elf, const R_390_GOTOFF16 = 27
pkg debug/elf, const R_390_GOTOFF16 R_390