assertEquals("FFFFFFFFFFFFFFFF", Hexdump.toHexString(-1L, 16));

        // Test different sizes
        assertEquals("00000000", Hexdump.toHexString(0L, 8));
        assertEquals("12345678", Hexdump.toHexString(0x12345678L, 8));
    }

    @Test
    @DisplayName("Should handle special byte values correctly")
    void testSpecialByteValues() {
        // Test boundary values

 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class AsciiBenchmark {
  private static final String ALPHA = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
  private static final String NONALPHA = "0123456789`~-_=+[]{}|;:',.<>/?!@#$%^&*()\"\\";

  @Param({"20", "2000"})
  int size;

  @Param({"2", "20"})
  int nonAlphaRatio; // one non-alpha char per this many chars

  @Param boolean noWorkToDo;

	// Output:
	// -gopher!
	// "go-gopher!"
	// go-gopher
	// go-gopher!
}

func ExampleTrimLeft() {
	fmt.Print(string(bytes.TrimLeft([]byte("453gopher8257"), "0123456789")))
	// Output:
	// gopher8257
}

func ExampleTrimLeftFunc() {
	fmt.Println(string(bytes.TrimLeftFunc([]byte("go-gopher"), unicode.IsLetter)))

    assertReadsCorrectly("abcde");
    assertReadsCorrectly("abcdefghijkl");
    assertReadsCorrectly(
        ""
            + "abcdefghijklmnopqrstuvwxyz\n"
            + "ABCDEFGHIJKLMNOPQRSTUVWXYZ\r"
            + "0123456789\r\n"
            + "!@#$%^&*()-=_+\t[]{};':\",./<>?\\| ");
  }

  public void testMarkAndReset() throws IOException {
    String string = "abcdefghijklmnopqrstuvwxyz";

 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class AsciiBenchmark {
  private static final String ALPHA = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
  private static final String NONALPHA = "0123456789`~-_=+[]{}|;:',.<>/?!@#$%^&*()\"\\";

  @Param({"20", "2000"})
  int size;

  @Param({"2", "20"})
  int nonAlphaRatio; // one non-alpha char per this many chars

  @Param boolean noWorkToDo;

    }

    /**
     * Array of hexadecimal digit characters used for converting binary data to hex representation.
     */
    public static final char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

    /**
     * This is an alternative to the <code>java.lang.Integer.toHexString</code>
     * method. It is an efficient relative that also will pad the left side so

        mockResponse.error();

        // Verify that the method was called
        verify(mockResponse, times(1)).error();
    }

    @Test
    void testGetExpiration() {
        Long expiration = 123456789L;
        when(mockResponse.getExpiration()).thenReturn(expiration);
        assertEquals(expiration, mockResponse.getExpiration());

        // Test null expiration

	// Validate the input
	for scanner.Scan() {
		fmt.Printf("%s\n", scanner.Text())
	}

	if err := scanner.Err(); err != nil {
		fmt.Printf("Invalid input: %s", err)
	}
	// Output:
	// 1234
	// 5678
	// Invalid input: strconv.ParseInt: parsing "1234567901234567890": value out of range
}

// Use a Scanner with a custom split function to parse a comma-separated
// list with an empty final value.

    doTestAllMatches(forPredicate(Predicates.equalTo('c')), "ccc");
    doTestAllMatches(CharMatcher.digit(), "0123456789\u0ED0\u1B59");
    doTestAllMatches(CharMatcher.javaDigit(), "0123456789");
    doTestAllMatches(CharMatcher.digit().and(CharMatcher.ascii()), "0123456789");
    doTestAllMatches(CharMatcher.singleWidth(), "\t0123ABCdef~\u00A0\u2111");
  }

      "\u00CE\u00F1\u0163\u00E9\u0072\u00F1\u00E5\u0163\u00EE\u00F6"
          + "\u00F1\u00E5\u013C\u00EE\u017E\u00E5\u0163\u00EE\u00F6\u00F1";

  static final String ASCII =
      " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"
          + "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";

  private File testDir;
  private File tempDir;

  private final Set<File> filesToDelete = new HashSet<>();

  @Override