assertThat(converter.convert("0xFF")).isEqualTo(255);
    assertThat(converter.convert("-0xFF")).isEqualTo(-255);
    assertThat(converter.convert("#0000FF")).isEqualTo(255);
    assertThat(converter.convert("0666")).isEqualTo(438);
  }

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

    assertThat(converter.convert("0xFF")).isEqualTo(255);
    assertThat(converter.convert("-0xFF")).isEqualTo(-255);
    assertThat(converter.convert("#0000FF")).isEqualTo(255);
    assertThat(converter.convert("0666")).isEqualTo(438);
  }

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

    assertThat(converter.convert("0xFF")).isEqualTo(255);
    assertThat(converter.convert("-0xFF")).isEqualTo(-255);
    assertThat(converter.convert("#0000FF")).isEqualTo(255);
    assertThat(converter.convert("0666")).isEqualTo(438);
  }

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

    assertThat(converter.reverse().convert(0xFFL)).isEqualTo("255");
    assertThat(converter.reverse().convert(-0xFFL)).isEqualTo("-255");
    assertThat(converter.reverse().convert(0666L)).isEqualTo("438");
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testStringConverter_nullPointerTester() throws Exception {
    NullPointerTester tester = new NullPointerTester();

* Allow setting custom `422` (validation error) response/schema in OpenAPI.
    * And use media type from response class instead of fixed `application/json` (the default).