}

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNulls() {
    new NullPointerTester().testAllPublicStaticMethods(Longs.class);
  }

  public void testStringConverter_convert() {
    Converter<String, Long> converter = Longs.stringConverter();
    assertThat(converter.convert("1")).isEqualTo((Long) 1L);
    assertThat(converter.convert("0")).isEqualTo((Long) 0L);

  public void testNulls() {
    new NullPointerTester().testAllPublicStaticMethods(Floats.class);
  }

  @GwtIncompatible // Float.toString returns different value in GWT.
  public void testStringConverter_convert() {
    Converter<String, Float> converter = Floats.stringConverter();
    assertThat(converter.convert("1.0")).isEqualTo((Float) 1.0f);
    assertThat(converter.convert("0.0")).isEqualTo((Float) 0.0f);