diff --git a/py/objdict.c b/py/objdict.c index 04da2bf624..91d5b75e2b 100644 --- a/py/objdict.c +++ b/py/objdict.c @@ -119,8 +119,16 @@ STATIC mp_obj_t dict_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) { case MP_BINARY_OP_EQUAL: { #if MICROPY_PY_COLLECTIONS_ORDEREDDICT if (MP_UNLIKELY(MP_OBJ_IS_TYPE(lhs_in, &mp_type_ordereddict) && MP_OBJ_IS_TYPE(rhs_in, &mp_type_ordereddict))) { - //TODO: implement - return MP_OBJ_NULL; + // Iterate through both dictionaries simultaneously and compare keys and values. + mp_obj_dict_t *rhs = MP_OBJ_TO_PTR(rhs_in); + mp_uint_t c1 = 0, c2 = 0; + mp_map_elem_t *e1 = dict_iter_next(o, &c1), *e2 = dict_iter_next(rhs, &c2); + for (; e1 != NULL && e2 != NULL; e1 = dict_iter_next(o, &c1), e2 = dict_iter_next(rhs, &c2)) { + if (!mp_obj_equal(e1->key, e2->key) || !mp_obj_equal(e1->value, e2->value)) { + return mp_const_false; + } + } + return e1 == NULL && e2 == NULL ? mp_const_true : mp_const_false; } else #endif if (MP_OBJ_IS_TYPE(rhs_in, &mp_type_dict)) {