@Test
public void callToConvertAddsMoreSupportedFormatsToTheContext() throws Exception {

    ConversionContext context = new ConversionContext.Builder(TypeLiteral.of(Long.class)).build();
    LongConverter converter = new LongConverter();
    converter.convert("", context);
    assertThat(context.getSupportedFormats()).contains("<long> (LongConverter)",
            "MIN_VALUE (LongConverter)", "MAX_VALUE (LongConverter)");
}