val failures = mutableListOf<Throwable>()
    for (entry in list) {
      var failure: Throwable? = null
      try {
        testToAscii(entry.input!!, entry.output, entry.comment)
      } catch (e: Throwable) {
        failure = e
      }

      if (entry.input in knownFailures) {
        if (failure == null) failures += AssertionError("known failure didn't fail: $entry")
      } else {

    ImmutableList.Builder<URL> urls = ImmutableList.builder();
    for (String entry : Splitter.on(PATH_SEPARATOR.value()).split(JAVA_CLASS_PATH.value())) {
      try {
        try {
          urls.add(new File(entry).toURI().toURL());
        } catch (SecurityException e) { // File.toURI checks to see if the file is a directory
          urls.add(new URL("file", null, new File(entry).getAbsolutePath()));
        }
      } catch (MalformedURLException e) {

  public static class ImmutableEnumMapGenerator extends TestEnumMapGenerator {
    @Override
    protected Map<AnEnum, String> create(Entry<AnEnum, String>[] entries) {
      Map<AnEnum, String> map = new HashMap<>();
      for (Entry<AnEnum, String> entry : entries) {
        map.put(entry.getKey(), entry.getValue());
      }
      return Maps.immutableEnumMap(map);
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // suite

                  @Override
                  protected SetMultimap<String, String> create(Entry<String, String>[] entries) {
                    SetMultimap<String, String> multimap = HashMultimap.create();
                    for (Entry<String, String> entry : entries) {
                      multimap.put(entry.getKey(), entry.getValue());
                    }
                    return multimap;
                  }

                  @Override
                  protected SetMultimap<String, String> create(Entry<String, String>[] entries) {
                    SetMultimap<String, String> multimap = HashMultimap.create();
                    for (Entry<String, String> entry : entries) {
                      multimap.put(entry.getKey(), entry.getValue());
                    }
                    return multimap;
                  }

        @Override
        Map.Entry<K, Collection<V>> transform(Map.Entry<K, Collection<V>> entry) {
          return new ForwardingMapEntry<K, Collection<V>>() {
            @Override
            protected Map.Entry<K, Collection<V>> delegate() {
              return entry;
            }

            @Override
            public Collection<V> getValue() {
              return typePreservingCollection(entry.getValue(), mutex);

        @Override
        Map.Entry<K, Collection<V>> transform(Map.Entry<K, Collection<V>> entry) {
          return new ForwardingMapEntry<K, Collection<V>>() {
            @Override
            protected Map.Entry<K, Collection<V>> delegate() {
              return entry;
            }

            @Override
            public Collection<V> getValue() {
              return typePreservingCollection(entry.getValue(), mutex);

   */

  private int getPredecessor(int entry) {
    return requirePredecessors()[entry] - 1;
  }

  @Override
  int getSuccessor(int entry) {
    return requireSuccessors()[entry] - 1;
  }

  private void setSuccessor(int entry, int succ) {
    requireSuccessors()[entry] = succ + 1;
  }

  private void setPredecessor(int entry, int pred) {
    requirePredecessors()[entry] = pred + 1;
  }

   */

  private int getPredecessor(int entry) {
    return requirePredecessors()[entry] - 1;
  }

  @Override
  int getSuccessor(int entry) {
    return requireSuccessors()[entry] - 1;
  }

  private void setSuccessor(int entry, int succ) {
    requireSuccessors()[entry] = succ + 1;
  }

  private void setPredecessor(int entry, int pred) {
    requirePredecessors()[entry] = pred + 1;
  }

    assertThat(url.host).startsWith(Punycode.PREFIX_STRING)
  }

  enum class Encoding {
    IDENTITY {
      override fun encode(codePoint: Int): String = String(codePoint)
    },
    PERCENT {
      override fun encode(codePoint: Int): String {
        val utf8 = IDENTITY.encode(codePoint).encodeUtf8()
        val percentEncoded = Buffer()
        for (i in 0 until utf8.size) {