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objarray: Implement equality testing between arrays and other buffers.

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This commit is contained in:
Paul Sokolovsky 2014-08-10 11:49:23 +03:00
parent 7133d91773
commit 5f930337bc
2 changed files with 28 additions and 0 deletions
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19
py/objarray.c
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@ -52,6 +52,7 @@ typedef struct _mp_obj_array_t {
STATIC mp_obj_t array_iterator_new(mp_obj_t array_in);
STATIC mp_obj_array_t *array_new(char typecode, uint n);
STATIC mp_obj_t array_append(mp_obj_t self_in, mp_obj_t arg);
STATIC mp_int_t array_get_buffer(mp_obj_t o_in, mp_buffer_info_t *bufinfo, int flags);
/******************************************************************************/
/* array */
@ -146,6 +147,22 @@ STATIC mp_obj_t array_unary_op(int op, mp_obj_t o_in) {
}
}
STATIC mp_obj_t array_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
switch (op) {
case MP_BINARY_OP_EQUAL: {
mp_buffer_info_t lhs_bufinfo;
mp_buffer_info_t rhs_bufinfo;
array_get_buffer(lhs_in, &lhs_bufinfo, MP_BUFFER_READ);
if (!mp_get_buffer(rhs_in, &rhs_bufinfo, MP_BUFFER_READ)) {
return mp_const_false;
}
return MP_BOOL(mp_seq_cmp_bytes(op, lhs_bufinfo.buf, lhs_bufinfo.len, rhs_bufinfo.buf, rhs_bufinfo.len));
}
default:
return MP_OBJ_NULL; // op not supported
}
}
STATIC mp_obj_t array_append(mp_obj_t self_in, mp_obj_t arg) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_array) || MP_OBJ_IS_TYPE(self_in, &mp_type_bytearray));
mp_obj_array_t *self = self_in;
@ -227,6 +244,7 @@ const mp_obj_type_t mp_type_array = {
.make_new = array_make_new,
.getiter = array_iterator_new,
.unary_op = array_unary_op,
.binary_op = array_binary_op,
.subscr = array_subscr,
.buffer_p = { .get_buffer = array_get_buffer },
.locals_dict = (mp_obj_t)&array_locals_dict,
@ -239,6 +257,7 @@ const mp_obj_type_t mp_type_bytearray = {
.make_new = bytearray_make_new,
.getiter = array_iterator_new,
.unary_op = array_unary_op,
.binary_op = array_binary_op,
.subscr = array_subscr,
.buffer_p = { .get_buffer = array_get_buffer },
.locals_dict = (mp_obj_t)&array_locals_dict,

9
tests/basics/bytearray1.py
View File

@ -17,3 +17,12 @@ print(s)
print(a[1:])
print(a[:-1])
print(a[2:3])
# Comparisons
print(bytearray([1]) == bytearray([1]))
print(bytearray([1]) == bytearray([2]))
print(bytearray([1]) == b"1")
print(b"1" == bytearray([1]))
print(bytearray() == bytearray())
# TODO: other comparisons