public static <T extends Enum<T>> Converter<String, T> stringConverter(Class<T> enumClass) {
    return new StringConverter<>(enumClass);
  }

  @GwtIncompatible
  private static final class StringConverter<T extends Enum<T>> extends Converter<String, T>
      implements Serializable {

    private final Class<T> enumClass;

    StringConverter(Class<T> enumClass) {
      this.enumClass = checkNotNull(enumClass);

  public void testStringConverter_toString() {
    assertEquals(
        "Enums.stringConverter(com.google.common.base.EnumsTest$TestEnum.class)",
        Enums.stringConverter(TestEnum.class).toString());
  }

  @GwtIncompatible // stringConverter
  public void testStringConverter_serialization() {
    SerializableTester.reserializeAndAssert(Enums.stringConverter(TestEnum.class));
  }

  @J2ktIncompatible

  public static <T extends Enum<T>> Converter<String, T> stringConverter(Class<T> enumClass) {
    return new StringConverter<>(enumClass);
  }

  @GwtIncompatible
  private static final class StringConverter<T extends Enum<T>> extends Converter<String, T>
      implements Serializable {

    private final Class<T> enumClass;

    StringConverter(Class<T> enumClass) {
      this.enumClass = checkNotNull(enumClass);

  public Converter<String, String> converterTo(CaseFormat targetFormat) {
    return new StringConverter(this, targetFormat);
  }

  private static final class StringConverter extends Converter<String, String>
      implements Serializable {

    private final CaseFormat sourceFormat;
    private final CaseFormat targetFormat;

    StringConverter(CaseFormat sourceFormat, CaseFormat targetFormat) {

    Converter<Long, String> reverseConverter = Longs.stringConverter().reverse();
    SerializableTester.reserializeAndAssert(reverseConverter);
  }

  @GwtIncompatible // J2CL generics problem
  public void testSerialization_andThen() {
    Converter<String, Long> converterA = Longs.stringConverter();
    Converter<Long, String> reverseConverter = Longs.stringConverter().reverse();

  public Converter<String, String> converterTo(CaseFormat targetFormat) {
    return new StringConverter(this, targetFormat);
  }

  private static final class StringConverter extends Converter<String, String>
      implements Serializable {

    private final CaseFormat sourceFormat;
    private final CaseFormat targetFormat;

    StringConverter(CaseFormat sourceFormat, CaseFormat targetFormat) {

  public void testStringConverter_convertError() {
    assertThrows(
        NumberFormatException.class, () -> Doubles.stringConverter().convert("notanumber"));
  }

  public void testStringConverter_nullConversions() {
    assertThat(Doubles.stringConverter().convert(null)).isNull();
    assertThat(Doubles.stringConverter().reverse().convert(null)).isNull();
  }

  @GwtIncompatible // Double.toString returns different value in GWT.

  }

  public void testStringConverter_convertError() {
    assertThrows(NumberFormatException.class, () -> Floats.stringConverter().convert("notanumber"));
  }

  public void testStringConverter_nullConversions() {
    assertThat(Floats.stringConverter().convert(null)).isNull();
    assertThat(Floats.stringConverter().reverse().convert(null)).isNull();
  }

  @J2ktIncompatible

  }

  public void testStringConverter_nullConversions() {
    assertThat(Ints.stringConverter().convert(null)).isNull();
    assertThat(Ints.stringConverter().reverse().convert(null)).isNull();
  }

  public void testStringConverter_reverse() {
    Converter<String, Integer> converter = Ints.stringConverter();

  public void testStringConverter_convertError() {
    assertThrows(
        NumberFormatException.class, () -> Doubles.stringConverter().convert("notanumber"));
  }

  public void testStringConverter_nullConversions() {
    assertThat(Doubles.stringConverter().convert(null)).isNull();
    assertThat(Doubles.stringConverter().reverse().convert(null)).isNull();
  }

  @GwtIncompatible // Double.toString returns different value in GWT.