if (!artifactFile.getParentFile().exists()) {
            artifactFile.getParentFile().mkdirs();
        }
        try (Writer writer = new OutputStreamWriter(new FileOutputStream(artifactFile), StandardCharsets.ISO_8859_1)) {
            writer.write(artifact.getId());
        }

        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(artifact.getId().getBytes());
        byte[] digest = md.digest();

    assertEquals(Charset.forName("US-ASCII"), Charsets.US_ASCII);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testIso88591() {
    assertEquals(Charset.forName("ISO-8859-1"), Charsets.ISO_8859_1);
  }

  public void testUtf8() {
    assertEquals(Charset.forName("UTF-8"), Charsets.UTF_8);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16be() {

                .reversed()
        }


internal
fun Properties.store(file: java.io.File, comment: String? = null) {
    PropertiesUtils.store(this, file, comment, Charsets.ISO_8859_1, "\n")

        PropertiesUtils.store(
            properties, libraryVersionFile.get().asFile,
            "Generated file, please do not edit - Version values used in build-init templates",
            Charsets.ISO_8859_1, "\n"
        )
    }

    private
    fun findLatest(name: String, notation: String, dest: Properties) {
        val libDependencies = arrayOf(project.dependencies.create(notation))

        spec.caseSensitive = false
        spec.includeEmptyDirs = false
        spec.duplicatesStrategy = DuplicatesStrategy.EXCLUDE
        spec.fileMode = 1
        spec.dirMode = 2
        spec.filteringCharset = "ISO_8859_1"

        DefaultCopySpec child = unpackWrapper(spec."${method}"("child") {})

        then: //children still have these non defaults
        !child.caseSensitive
        !child.includeEmptyDirs

    buffer.skip(3) // Skip "a=b" prefix.
    return buffer.readUtf8(buffer.size - 1) // Skip the "c" suffix.
  }

  @Test
  fun manualCharset() {
    val body =
      FormBody.Builder(StandardCharsets.ISO_8859_1)
        .add("name", "Nicolás")
        .build()
    val expected = "name=Nicol%E1s"
    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val out = Buffer()
    body.writeTo(out)

    assertEquals(hashFunction.hashLong(l), hashFunction.newHasher().putLong(l).hash());
  }

  private static final ImmutableSet<Charset> CHARSETS =
      ImmutableSet.of(
          Charsets.ISO_8859_1,
          Charsets.US_ASCII,
          Charsets.UTF_16,
          Charsets.UTF_16BE,
          Charsets.UTF_16LE,
          Charsets.UTF_8);

loadProperties(java.io.File); public static java.util.Properties loadProperties(java.io.InputStream); } org/codehaus/plexus/util/ReaderFactory.class package org.codehaus.plexus.util; public synchronized class ReaderFactory { public static final String ISO_8859_1 = ISO-8859-1; public static final String US_ASCII = US-ASCII; public static final String UTF_16 = UTF-16; public static final String UTF_16BE = UTF-16BE; public static final String UTF_16LE = UTF-16LE; public static final String UTF_8 = UTF-8; public...