try {
    delete(path)
  } catch (fnfe: FileNotFoundException) {
    return
  }
}

/** Tolerant delete, try to clear as many files as possible even after a failure. */
internal fun FileSystem.deleteContents(directory: Path) {
  var exception: IOException? = null
  val files =
    try {
      list(directory)
    } catch (fnfe: FileNotFoundException) {
      return
    }

        byte[] data2 = { (byte) 0xFF, (byte) 0xFE, (byte) 0x80, 0x7F };
        assertEquals("FF", Hexdump.toHexString(data2, 0, 2)); // 2 chars = 1 byte
        assertEquals("FFF", Hexdump.toHexString(data2, 0, 3)); // 3 chars = 1.5 bytes (rounds up to 2)
        assertEquals("FFFE", Hexdump.toHexString(data2, 0, 4)); // 4 chars = 2 bytes
        assertEquals("FFFE80", Hexdump.toHexString(data2, 0, 6)); // 6 chars = 3 bytes

        }

        /**
         * @return int
         */
        public int getFff() {
            return fff_;
        }

        /**
         * @param fff
         */
        public void setFff(final int fff) {
            fff_ = fff;
        }

        /**
         * @return String
         */
        public String getJjj() {
            return jjj;

    }

    // Test that 0xFFFE and 0xFFFF are replaced with 0xFFFD
    assertEscaping(xmlEscaper, "\uFFFD", '\uFFFE');
    assertEscaping(xmlEscaper, "\uFFFD", '\uFFFF');

    assertEquals(
        "0xFFFE is forbidden and should be replaced during escaping",
        "[\uFFFD]",
        xmlEscaper.escape("[\ufffe]"));
    assertEquals(
        "0xFFFF is forbidden and should be replaced during escaping",
        "[\uFFFD]",

    val addressF = decodeIpv6("0:0:0:0:0:ffff:7f00:1")!!
    assertThat(canonicalizeInetAddress(addressF)).isEqualTo(addressB)

    val addressG = decodeIpv6("0:0:0:0:0:ffff:c0a8:1")!!
    assertThat(canonicalizeInetAddress(addressG)).isEqualTo(addressC)
  }

  @Test
  fun canonicalizeInetAddressMapped() {
    val addressAIpv6 = decodeIpv6("0:0:0:0:0:ffff:7f00:1")!!
    val addressAIpv4 = byteArrayOf(127, 0, 0, 1)

    "input": "ශ්‍රී",
    "output": "xn--10cl1a0b660p"
  },
  {
    "input": "نامه‌ای",
    "output": "xn--mgba3gch31f060k"
  },
  {
    "comment": "U+FFFD",
    "input": "\uFFFD.com",
    "output": null
  },
  {
    "comment": "U+FFFD character encoded in Punycode",
    "input": "xn--zn7c.com",
    "output": null
  },
  {
    "comment": "Label longer than 63 code points",

                }
                result = (NbtAddress) TAB.get(name);
            }
        } catch (final FileNotFoundException fnfe) {
            if (LogStream.level > 1) {
                log.println("lmhosts file: " + FILENAME);
                fnfe.printStackTrace(log);
            }
        } catch (final IOException ioe) {
            if (LogStream.level > 0) {
                ioe.printStackTrace(log);

            UUID uuid = new UUID(rpcUuid);

            // Act
            String result = uuid.toString();

            // Assert
            assertEquals("FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF", result, "toString() should correctly format maximum value UUID");
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test

      // OkHttp does not reject invalid Punycode.
      "xn--a",
      "xn--a.ß",
      "xn--a.xn--zca",
      "xn--a-yoc",
      // OkHttp doesn't reject U+FFFD encoded in Punycode.
      "xn--zn7c.com",
      // OkHttp doesn't reject a U+200D. https://www.rfc-editor.org/rfc/rfc5892.html#appendix-A.2
      "xn--1ug.example",
      // OkHttp doesn't implement CheckJoiners.

    assertThat("FF01::101".canParseAsIpAddress()).isTrue()
    assertThat("0:0:0:0:0:0:13.1.68.3".canParseAsIpAddress()).isTrue()
    assertThat("0:0:0:0:0:FFFF:129.144.52.38".canParseAsIpAddress()).isTrue()
    assertThat("::13.1.68.3".canParseAsIpAddress()).isTrue()
    assertThat("::FFFF:129.144.52.38".canParseAsIpAddress()).isTrue()

    // Hostnames
    assertThat("go".canParseAsIpAddress()).isFalse()