*
 * @author Kurt Alfred Kluever
 */
@SuppressWarnings("deprecation") // We still need to test our deprecated APIs.
@NullUnmarked
enum HashFunctionEnum {
  ADLER32(adler32()),
  CRC32(crc32()),
  GOOD_FAST_HASH_32(goodFastHash(32)),
  GOOD_FAST_HASH_64(goodFastHash(64)),
  GOOD_FAST_HASH_128(goodFastHash(128)),
  GOOD_FAST_HASH_256(goodFastHash(256)),
  MD5(md5()),
  MURMUR3_128(murmur3_128()),

 *
 * @author Kurt Alfred Kluever
 */
@SuppressWarnings("deprecation") // We still need to test our deprecated APIs.
@NullUnmarked
enum HashFunctionEnum {
  ADLER32(adler32()),
  CRC32(crc32()),
  GOOD_FAST_HASH_32(goodFastHash(32)),
  GOOD_FAST_HASH_64(goodFastHash(64)),
  GOOD_FAST_HASH_128(goodFastHash(128)),
  GOOD_FAST_HASH_256(goodFastHash(256)),
  MD5(md5()),
  MURMUR3_128(murmur3_128()),

				} else {
					err = err1
				}
			} else if r.hash.Sum32() != r.f.CRC32 {
				err = ErrChecksum
			}
		} else {
			// If there's not a data descriptor, we still compare
			// the CRC32 of what we've read against the file header
			// or TOC's CRC32, if it seems like it was set.
			if r.f.CRC32 != 0 && r.hash.Sum32() != r.f.CRC32 {
				err = ErrChecksum
			}
		}
	}
	r.err = err
	return
}

	return messWith("go-with-datadesc-sig.zip", func(b []byte) {
		// Corrupt one of the CRC32s in the data descriptor:
		b[0x2d]++
	})
}

func returnCorruptNotStreamedZip() (r io.ReaderAt, size int64) {
	return messWith("crc32-not-streamed.zip", func(b []byte) {
		// Corrupt foo.txt's final crc32 byte, in both
		// the file header and TOC. (0x7e -> 0x7f)
		b[0x11]++
		b[0x9d]++

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package tar

import (
	"bytes"
	"compress/bzip2"
	"errors"
	"fmt"
	"hash/crc32"
	"internal/obscuretestdata"
	"io"
	"maps"
	"math"
	"os"
	"path"
	"reflect"
	"slices"
	"strconv"
	"strings"
	"testing"
	"time"
)

func TestReader(t *testing.T) {

          .put(Hashing.crc32(), "", "00000000")
          .put(Hashing.crc32(), TQBFJOTLD, "39a34f41")
          .put(Hashing.crc32(), TQBFJOTLDP, "e9259051")
          .put(Hashing.sipHash24(), "", "310e0edd47db6f72")
          .put(Hashing.sipHash24(), TQBFJOTLD, "e46f1fdc05612752")
          .put(Hashing.sipHash24(), TQBFJOTLDP, "9b602581fce4d4f8")
          .put(Hashing.crc32c(), "", "00000000")

	MULWVW	R4, R5			// a5101f00
	MULWVW	R4, R5, R6		// a6101f00
	MULWVWU	R4, R5			// a5901f00
	MULWVWU	R4, R5, R6		// a6901f00

	MASKEQZ	R4, R5, R6		// a6101300
	MASKNEZ	R4, R5, R6		// a6901300

	// CRC32
	CRCWBW	R4, R5, R6		// a6102400
	CRCWHW	R4, R5, R6		// a6902400
	CRCWWW	R4, R5, R6		// a6102500
	CRCWVW	R4, R5, R6		// a6902500
	CRCCWBW	R4, R5, R6		// a6102600
	CRCCWHW	R4, R5, R6		// a6902600

    assertHash32(0x1C8600E3, CRC_32, "hell");
    assertHash32(0x3610A686, CRC_32, "hello");
    assertHash32(0xED81F9F6, CRC_32, "hello ");
    assertHash32(0x4850DDC2, CRC_32, "hello w");
    assertHash32(0x7A2D6005, CRC_32, "hello wo");
    assertHash32(0x1C192672, CRC_32, "hello wor");
    assertHash32(0x414FA339, CRC_32, "The quick brown fox jumps over the lazy dog");

    assertHash32(0x1C8600E3, CRC_32, "hell");
    assertHash32(0x3610A686, CRC_32, "hello");
    assertHash32(0xED81F9F6, CRC_32, "hello ");
    assertHash32(0x4850DDC2, CRC_32, "hello w");
    assertHash32(0x7A2D6005, CRC_32, "hello wo");
    assertHash32(0x1C192672, CRC_32, "hello wor");
    assertHash32(0x414FA339, CRC_32, "The quick brown fox jumps over the lazy dog");

	CSNEG PL, R14, R21, R3                     // c35595da
	CNEG  LO, R7, R15                          // ef2487da
	CRC32B R17, R8, R16                        // 1041d11a
	CRC32H R3, R21, R27                        // bb46c31a
	CRC32W R22, R30, R9                        // c94bd61a
	CRC32X R20, R4, R15                        // 8f4cd49a
	CRC32CB R19, R27, R22                      // 7653d31a