def test_hash_str():
buf = ('garbage0' 'hello capnproto\0') # string
p = ptr.new_list(0, ptr.LIST_SIZE_8, 16)
b = Segment(buf)
h = b.hash_str(p, 0, 0, additional_size=-1)
assert h == hash("hello capnproto")
h = b.hash_str(p, 0, 0, additional_size=0)
assert h == hash("hello capnproto\0")
def test_hash_str_exception():
buf = b''
p = ptr.new_struct(0, 1, 1) # this is the wrong type of pointer
bb = Segment(buf)
with pytest.raises(AssertionError):
bb.hash_str(p, 0, 0, 0)