py/objdict: Implemented OrderedDict equality check.
diff --git a/py/objdict.c b/py/objdict.c
index 04da2bf..91d5b75 100644
--- a/py/objdict.c
+++ b/py/objdict.c
@@ -119,8 +119,16 @@
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)) {