@Test
public void getFields() {

    Field[] result = cache.getFields(String.class);
    Field[] fields = ReflectionUtil.getAllFieldsOfClass(String.class);
    assertArrayEquals(result, fields);
    fieldSize = result.length;
    result = cache.getFields(AnnotationClass.class, AnnotationClass.Test.class);
    fields = ReflectionUtil.getAnnotationFields(AnnotationClass.class, AnnotationClass.Test.class);
    assertArrayEquals(result, fields);
}