msgpack-python/test/test_limits.py
2014-03-26 15:12:28 +09:00

62 lines
1.5 KiB
Python

#!/usr/bin/env python
# coding: utf-8
from __future__ import absolute_import, division, print_function, unicode_literals
import pytest
from msgpack import packb, unpackb, Packer
def test_integer():
x = -(2 ** 63)
assert unpackb(packb(x)) == x
with pytest.raises((OverflowError, ValueError)):
packb(x-1)
x = 2 ** 64 - 1
assert unpackb(packb(x)) == x
with pytest.raises((OverflowError, ValueError)):
packb(x+1)
def test_array_header():
packer = Packer()
packer.pack_array_header(2**32-1)
with pytest.raises(ValueError):
packer.pack_array_header(2**32)
def test_map_header():
packer = Packer()
packer.pack_map_header(2**32-1)
with pytest.raises(ValueError):
packer.pack_array_header(2**32)
# PyPy fails following tests because of constant folding?
# https://bugs.pypy.org/issue1721
#@pytest.mark.skipif(True, reason="Requires very large memory.")
#def test_binary():
# x = b'x' * (2**32 - 1)
# assert unpackb(packb(x)) == x
# del x
# x = b'x' * (2**32)
# with pytest.raises(ValueError):
# packb(x)
#
#
#@pytest.mark.skipif(True, reason="Requires very large memory.")
#def test_string():
# x = 'x' * (2**32 - 1)
# assert unpackb(packb(x)) == x
# x += 'y'
# with pytest.raises(ValueError):
# packb(x)
#
#
#@pytest.mark.skipif(True, reason="Requires very large memory.")
#def test_array():
# x = [0] * (2**32 - 1)
# assert unpackb(packb(x)) == x
# x.append(0)
# with pytest.raises(ValueError):
# packb(x)