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#!/usr/bin/env python
# coding: utf-8
import pytest
from msgpack import packb, unpackb, Packer
def test_integer():
x = -(2 ** 63)
assert unpackb(packb(x)) == x
with pytest.raises(OverflowError):
packb(x-1)
x = 2 ** 64 - 1
assert unpackb(packb(x)) == x
with pytest.raises(OverflowError):
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)
@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 = u'x' * (2**32 - 1)
assert unpackb(packb(x)) == x
x += u'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)
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