@DisplayName("Hexdump Utility Tests")
class HexdumpTest extends BaseTest {

    @Test
    @DisplayName("Should convert byte array to hex string")
    void testToHexString() {
        // Given
        byte[] data = { 0x00, 0x0F, (byte) 0xFF, 0x7F, (byte) 0x80 };

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("000FFF7F80", result);
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_log.click_log";
    }

    @Override
    public String asEsIndexType() {
        return "click_log";
    }

    @Override
    public String asEsSearchType() {
        return "click_log";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_user.role";
    }

    @Override
    public String asEsIndexType() {
        return "role";
    }

    @Override
    public String asEsSearchType() {
        return "role";
    }

    @Override

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.failure_url";
    }

    @Override
    public String asEsIndexType() {
        return "failure_url";
    }

    @Override
    public String asEsSearchType() {
        return "failure_url";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.request_header";
    }

    @Override
    public String asEsIndexType() {
        return "request_header";
    }

    @Override
    public String asEsSearchType() {
        return "request_header";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.thumbnail_queue";
    }

    @Override
    public String asEsIndexType() {
        return "thumbnail_queue";
    }

    @Override
    public String asEsSearchType() {
        return "thumbnail_queue";
    }

      result.add(
        Challenge(
          schemeName,
          Collections.singletonMap<String?, String>(null, peek + "=".repeat(eqCount)),
        ),
      )
      peek = null
      continue
    }

    // It's a series of parameter names and values.
    val parameters = mutableMapOf<String?, String>()
    eqCount += skipAll('='.code.toByte())
    while (true) {
      if (peek == null) {

// if any present
func canonicalizeETag(etag string) string {
	return etagRegex.ReplaceAllString(etag, "$1")
}

// isETagEqual return true if the canonical representations of two ETag strings
// are equal, false otherwise
func isETagEqual(left, right string) bool {
	if strings.TrimSpace(right) == "*" {
		return true
	}
	return canonicalizeETag(left) == canonicalizeETag(right)

  }

  public void testCopyOf_emptyArray() {
    String[] array = new String[0];
    Set<String> set = copyOf(array);
    assertEquals(Collections.<String>emptySet(), set);
    assertSame(this.<String>of(), set);
  }

  public void testCopyOf_arrayOfOneElement() {
    String[] array = new String[] {"a"};
    Set<String> set = copyOf(array);
    assertEquals(singleton("a"), set);
  }

func canonicalizedAmzHeadersV2(headers http.Header) string {
	var keys []string
	keyval := make(map[string]string, len(headers))
	for key := range headers {
		lkey := strings.ToLower(key)
		if !strings.HasPrefix(lkey, "x-amz-") {
			continue
		}
		keys = append(keys, lkey)
		keyval[lkey] = strings.Join(headers[key], ",")
	}
	sort.Strings(keys)
	var canonicalHeaders []string
	for _, key := range keys {