@Test public void testGetAllFields() { TypeSolver typeResolver = new ReflectionTypeSolver(); ResolvedClassDeclaration arraylist = new ReflectionClassDeclaration(ArrayList.class, typeResolver); assertEquals(ImmutableSet.of("modCount", "serialVersionUID", "MAX_ARRAY_SIZE", "size", "elementData", "EMPTY_ELEMENTDATA", "DEFAULTCAPACITY_EMPTY_ELEMENTDATA", "DEFAULT_CAPACITY"), arraylist.getAllFields().stream().map(ResolvedDeclaration::getName).collect(Collectors.toSet())); }