|
|
# -*- coding: iso-8859-1 -*-
|
|
|
|
|
|
from test import test_support
|
|
|
import marshal
|
|
|
import sys
|
|
|
import unittest
|
|
|
import os
|
|
|
|
|
|
try:
|
|
|
import _testcapi
|
|
|
except ImportError:
|
|
|
_testcapi = None
|
|
|
|
|
|
class IntTestCase(unittest.TestCase):
|
|
|
def test_ints(self):
|
|
|
# Test the full range of Python ints.
|
|
|
n = sys.maxint
|
|
|
while n:
|
|
|
for expected in (-n, n):
|
|
|
s = marshal.dumps(expected)
|
|
|
got = marshal.loads(s)
|
|
|
self.assertEqual(expected, got)
|
|
|
marshal.dump(expected, file(test_support.TESTFN, "wb"))
|
|
|
got = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(expected, got)
|
|
|
n = n >> 1
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
def test_int64(self):
|
|
|
# Simulate int marshaling on a 64-bit box. This is most interesting if
|
|
|
# we're running the test on a 32-bit box, of course.
|
|
|
|
|
|
def to_little_endian_string(value, nbytes):
|
|
|
bytes = []
|
|
|
for i in range(nbytes):
|
|
|
bytes.append(chr(value & 0xff))
|
|
|
value >>= 8
|
|
|
return ''.join(bytes)
|
|
|
|
|
|
maxint64 = (1L << 63) - 1
|
|
|
minint64 = -maxint64-1
|
|
|
|
|
|
for base in maxint64, minint64, -maxint64, -(minint64 >> 1):
|
|
|
while base:
|
|
|
s = 'I' + to_little_endian_string(base, 8)
|
|
|
got = marshal.loads(s)
|
|
|
self.assertEqual(base, got)
|
|
|
if base == -1: # a fixed-point for shifting right 1
|
|
|
base = 0
|
|
|
else:
|
|
|
base >>= 1
|
|
|
|
|
|
def test_bool(self):
|
|
|
for b in (True, False):
|
|
|
new = marshal.loads(marshal.dumps(b))
|
|
|
self.assertEqual(b, new)
|
|
|
self.assertEqual(type(b), type(new))
|
|
|
marshal.dump(b, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(b, new)
|
|
|
self.assertEqual(type(b), type(new))
|
|
|
|
|
|
class FloatTestCase(unittest.TestCase):
|
|
|
def test_floats(self):
|
|
|
# Test a few floats
|
|
|
small = 1e-25
|
|
|
n = sys.maxint * 3.7e250
|
|
|
while n > small:
|
|
|
for expected in (-n, n):
|
|
|
f = float(expected)
|
|
|
s = marshal.dumps(f)
|
|
|
got = marshal.loads(s)
|
|
|
self.assertEqual(f, got)
|
|
|
marshal.dump(f, file(test_support.TESTFN, "wb"))
|
|
|
got = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(f, got)
|
|
|
n /= 123.4567
|
|
|
|
|
|
f = 0.0
|
|
|
s = marshal.dumps(f, 2)
|
|
|
got = marshal.loads(s)
|
|
|
self.assertEqual(f, got)
|
|
|
# and with version <= 1 (floats marshalled differently then)
|
|
|
s = marshal.dumps(f, 1)
|
|
|
got = marshal.loads(s)
|
|
|
self.assertEqual(f, got)
|
|
|
|
|
|
n = sys.maxint * 3.7e-250
|
|
|
while n < small:
|
|
|
for expected in (-n, n):
|
|
|
f = float(expected)
|
|
|
|
|
|
s = marshal.dumps(f)
|
|
|
got = marshal.loads(s)
|
|
|
self.assertEqual(f, got)
|
|
|
|
|
|
s = marshal.dumps(f, 1)
|
|
|
got = marshal.loads(s)
|
|
|
self.assertEqual(f, got)
|
|
|
|
|
|
marshal.dump(f, file(test_support.TESTFN, "wb"))
|
|
|
got = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(f, got)
|
|
|
|
|
|
marshal.dump(f, file(test_support.TESTFN, "wb"), 1)
|
|
|
got = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(f, got)
|
|
|
n *= 123.4567
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
class StringTestCase(unittest.TestCase):
|
|
|
def test_unicode(self):
|
|
|
for s in [u"", u"Andr<EFBFBD> Previn", u"abc", u" "*10000]:
|
|
|
new = marshal.loads(marshal.dumps(s))
|
|
|
self.assertEqual(s, new)
|
|
|
self.assertEqual(type(s), type(new))
|
|
|
marshal.dump(s, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(s, new)
|
|
|
self.assertEqual(type(s), type(new))
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
def test_string(self):
|
|
|
for s in ["", "Andr<EFBFBD> Previn", "abc", " "*10000]:
|
|
|
new = marshal.loads(marshal.dumps(s))
|
|
|
self.assertEqual(s, new)
|
|
|
self.assertEqual(type(s), type(new))
|
|
|
marshal.dump(s, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(s, new)
|
|
|
self.assertEqual(type(s), type(new))
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
def test_buffer(self):
|
|
|
for s in ["", "Andr<EFBFBD> Previn", "abc", " "*10000]:
|
|
|
with test_support.check_py3k_warnings(("buffer.. not supported",
|
|
|
DeprecationWarning)):
|
|
|
b = buffer(s)
|
|
|
new = marshal.loads(marshal.dumps(b))
|
|
|
self.assertEqual(s, new)
|
|
|
marshal.dump(b, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(s, new)
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
class ExceptionTestCase(unittest.TestCase):
|
|
|
def test_exceptions(self):
|
|
|
new = marshal.loads(marshal.dumps(StopIteration))
|
|
|
self.assertEqual(StopIteration, new)
|
|
|
|
|
|
class CodeTestCase(unittest.TestCase):
|
|
|
def test_code(self):
|
|
|
co = ExceptionTestCase.test_exceptions.func_code
|
|
|
new = marshal.loads(marshal.dumps(co))
|
|
|
self.assertEqual(co, new)
|
|
|
|
|
|
class ContainerTestCase(unittest.TestCase):
|
|
|
d = {'astring': 'foo@bar.baz.spam',
|
|
|
'afloat': 7283.43,
|
|
|
'anint': 2**20,
|
|
|
'ashortlong': 2L,
|
|
|
'alist': ['.zyx.41'],
|
|
|
'atuple': ('.zyx.41',)*10,
|
|
|
'aboolean': False,
|
|
|
'aunicode': u"Andr<EFBFBD> Previn"
|
|
|
}
|
|
|
def test_dict(self):
|
|
|
new = marshal.loads(marshal.dumps(self.d))
|
|
|
self.assertEqual(self.d, new)
|
|
|
marshal.dump(self.d, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(self.d, new)
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
def test_list(self):
|
|
|
lst = self.d.items()
|
|
|
new = marshal.loads(marshal.dumps(lst))
|
|
|
self.assertEqual(lst, new)
|
|
|
marshal.dump(lst, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(lst, new)
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
def test_tuple(self):
|
|
|
t = tuple(self.d.keys())
|
|
|
new = marshal.loads(marshal.dumps(t))
|
|
|
self.assertEqual(t, new)
|
|
|
marshal.dump(t, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(t, new)
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
def test_sets(self):
|
|
|
for constructor in (set, frozenset):
|
|
|
t = constructor(self.d.keys())
|
|
|
new = marshal.loads(marshal.dumps(t))
|
|
|
self.assertEqual(t, new)
|
|
|
self.assertTrue(isinstance(new, constructor))
|
|
|
self.assertNotEqual(id(t), id(new))
|
|
|
marshal.dump(t, file(test_support.TESTFN, "wb"))
|
|
|
new = marshal.load(file(test_support.TESTFN, "rb"))
|
|
|
self.assertEqual(t, new)
|
|
|
os.unlink(test_support.TESTFN)
|
|
|
|
|
|
class BugsTestCase(unittest.TestCase):
|
|
|
def test_bug_5888452(self):
|
|
|
# Simple-minded check for SF 588452: Debug build crashes
|
|
|
marshal.dumps([128] * 1000)
|
|
|
|
|
|
def test_patch_873224(self):
|
|
|
self.assertRaises(Exception, marshal.loads, '0')
|
|
|
self.assertRaises(Exception, marshal.loads, 'f')
|
|
|
self.assertRaises(Exception, marshal.loads, marshal.dumps(5L)[:-1])
|
|
|
|
|
|
def test_version_argument(self):
|
|
|
# Python 2.4.0 crashes for any call to marshal.dumps(x, y)
|
|
|
self.assertEqual(marshal.loads(marshal.dumps(5, 0)), 5)
|
|
|
self.assertEqual(marshal.loads(marshal.dumps(5, 1)), 5)
|
|
|
|
|
|
def test_fuzz(self):
|
|
|
# simple test that it's at least not *totally* trivial to
|
|
|
# crash from bad marshal data
|
|
|
for c in [chr(i) for i in range(256)]:
|
|
|
try:
|
|
|
marshal.loads(c)
|
|
|
except Exception:
|
|
|
pass
|
|
|
|
|
|
def test_loads_recursion(self):
|
|
|
def run_tests(N, check):
|
|
|
# (((...None...),),)
|
|
|
check(b'(\x01\x00\x00\x00' * N + b'N')
|
|
|
# [[[...None...]]]
|
|
|
check(b'[\x01\x00\x00\x00' * N + b'N')
|
|
|
# {None: {None: {None: ...None...}}}
|
|
|
check(b'{N' * N + b'N' + b'0' * N)
|
|
|
# frozenset([frozenset([frozenset([...None...])])])
|
|
|
check(b'>\x01\x00\x00\x00' * N + b'N')
|
|
|
# Check that the generated marshal data is valid and marshal.loads()
|
|
|
# works for moderately deep nesting
|
|
|
run_tests(100, marshal.loads)
|
|
|
# Very deeply nested structure shouldn't blow the stack
|
|
|
def check(s):
|
|
|
self.assertRaises(ValueError, marshal.loads, s)
|
|
|
run_tests(2**20, check)
|
|
|
|
|
|
def test_recursion_limit(self):
|
|
|
# Create a deeply nested structure.
|
|
|
head = last = []
|
|
|
# The max stack depth should match the value in Python/marshal.c.
|
|
|
if os.name == 'nt' and hasattr(sys, 'gettotalrefcount'):
|
|
|
MAX_MARSHAL_STACK_DEPTH = 1000
|
|
|
else:
|
|
|
MAX_MARSHAL_STACK_DEPTH = 2000
|
|
|
for i in range(MAX_MARSHAL_STACK_DEPTH - 2):
|
|
|
last.append([0])
|
|
|
last = last[-1]
|
|
|
|
|
|
# Verify we don't blow out the stack with dumps/load.
|
|
|
data = marshal.dumps(head)
|
|
|
new_head = marshal.loads(data)
|
|
|
# Don't use == to compare objects, it can exceed the recursion limit.
|
|
|
self.assertEqual(len(new_head), len(head))
|
|
|
self.assertEqual(len(new_head[0]), len(head[0]))
|
|
|
self.assertEqual(len(new_head[-1]), len(head[-1]))
|
|
|
|
|
|
last.append([0])
|
|
|
self.assertRaises(ValueError, marshal.dumps, head)
|
|
|
|
|
|
def test_exact_type_match(self):
|
|
|
# Former bug:
|
|
|
# >>> class Int(int): pass
|
|
|
# >>> type(loads(dumps(Int())))
|
|
|
# <type 'int'>
|
|
|
for typ in (int, long, float, complex, tuple, list, dict, set, frozenset):
|
|
|
# Note: str and unicode subclasses are not tested because they get handled
|
|
|
# by marshal's routines for objects supporting the buffer API.
|
|
|
subtyp = type('subtyp', (typ,), {})
|
|
|
self.assertRaises(ValueError, marshal.dumps, subtyp())
|
|
|
|
|
|
# Issue #1792 introduced a change in how marshal increases the size of its
|
|
|
# internal buffer; this test ensures that the new code is exercised.
|
|
|
def test_large_marshal(self):
|
|
|
size = int(1e6)
|
|
|
testString = 'abc' * size
|
|
|
marshal.dumps(testString)
|
|
|
|
|
|
def test_invalid_longs(self):
|
|
|
# Issue #7019: marshal.loads shouldn't produce unnormalized PyLongs
|
|
|
invalid_string = 'l\x02\x00\x00\x00\x00\x00\x00\x00'
|
|
|
self.assertRaises(ValueError, marshal.loads, invalid_string)
|
|
|
|
|
|
LARGE_SIZE = 2**31
|
|
|
character_size = 4 if sys.maxunicode > 0xFFFF else 2
|
|
|
pointer_size = 8 if sys.maxsize > 0xFFFFFFFF else 4
|
|
|
|
|
|
@unittest.skipIf(LARGE_SIZE > sys.maxsize, "test cannot run on 32-bit systems")
|
|
|
class LargeValuesTestCase(unittest.TestCase):
|
|
|
def check_unmarshallable(self, data):
|
|
|
f = open(test_support.TESTFN, 'wb')
|
|
|
self.addCleanup(test_support.unlink, test_support.TESTFN)
|
|
|
with f:
|
|
|
self.assertRaises(ValueError, marshal.dump, data, f)
|
|
|
|
|
|
@test_support.precisionbigmemtest(size=LARGE_SIZE, memuse=1, dry_run=False)
|
|
|
def test_string(self, size):
|
|
|
self.check_unmarshallable('x' * size)
|
|
|
|
|
|
@test_support.precisionbigmemtest(size=LARGE_SIZE,
|
|
|
memuse=character_size + 2, dry_run=False)
|
|
|
def test_unicode(self, size):
|
|
|
self.check_unmarshallable(u'x' * size)
|
|
|
|
|
|
@test_support.precisionbigmemtest(size=LARGE_SIZE,
|
|
|
memuse=pointer_size, dry_run=False)
|
|
|
def test_tuple(self, size):
|
|
|
self.check_unmarshallable((None,) * size)
|
|
|
|
|
|
@test_support.precisionbigmemtest(size=LARGE_SIZE,
|
|
|
memuse=pointer_size, dry_run=False)
|
|
|
def test_list(self, size):
|
|
|
self.check_unmarshallable([None] * size)
|
|
|
|
|
|
@test_support.precisionbigmemtest(size=LARGE_SIZE,
|
|
|
memuse=pointer_size*12 + sys.getsizeof(LARGE_SIZE-1),
|
|
|
dry_run=False)
|
|
|
def test_set(self, size):
|
|
|
self.check_unmarshallable(set(range(size)))
|
|
|
|
|
|
@test_support.precisionbigmemtest(size=LARGE_SIZE,
|
|
|
memuse=pointer_size*12 + sys.getsizeof(LARGE_SIZE-1),
|
|
|
dry_run=False)
|
|
|
def test_frozenset(self, size):
|
|
|
self.check_unmarshallable(frozenset(range(size)))
|
|
|
|
|
|
@test_support.precisionbigmemtest(size=LARGE_SIZE, memuse=1, dry_run=False)
|
|
|
def test_bytearray(self, size):
|
|
|
self.check_unmarshallable(bytearray(size))
|
|
|
|
|
|
|
|
|
@test_support.cpython_only
|
|
|
@unittest.skipUnless(_testcapi, 'requires _testcapi')
|
|
|
class CAPI_TestCase(unittest.TestCase):
|
|
|
|
|
|
def test_write_long_to_file(self):
|
|
|
for v in range(marshal.version + 1):
|
|
|
_testcapi.pymarshal_write_long_to_file(0x12345678, test_support.TESTFN, v)
|
|
|
with open(test_support.TESTFN, 'rb') as f:
|
|
|
data = f.read()
|
|
|
test_support.unlink(test_support.TESTFN)
|
|
|
self.assertEqual(data, b'\x78\x56\x34\x12')
|
|
|
|
|
|
def test_write_object_to_file(self):
|
|
|
obj = ('\u20ac', b'abc', 123, 45.6, 7+8j, 'long line '*1000)
|
|
|
for v in range(marshal.version + 1):
|
|
|
_testcapi.pymarshal_write_object_to_file(obj, test_support.TESTFN, v)
|
|
|
with open(test_support.TESTFN, 'rb') as f:
|
|
|
data = f.read()
|
|
|
test_support.unlink(test_support.TESTFN)
|
|
|
self.assertEqual(marshal.loads(data), obj)
|
|
|
|
|
|
def test_read_short_from_file(self):
|
|
|
with open(test_support.TESTFN, 'wb') as f:
|
|
|
f.write(b'\x34\x12xxxx')
|
|
|
r, p = _testcapi.pymarshal_read_short_from_file(test_support.TESTFN)
|
|
|
test_support.unlink(test_support.TESTFN)
|
|
|
self.assertEqual(r, 0x1234)
|
|
|
self.assertEqual(p, 2)
|
|
|
|
|
|
def test_read_long_from_file(self):
|
|
|
with open(test_support.TESTFN, 'wb') as f:
|
|
|
f.write(b'\x78\x56\x34\x12xxxx')
|
|
|
r, p = _testcapi.pymarshal_read_long_from_file(test_support.TESTFN)
|
|
|
test_support.unlink(test_support.TESTFN)
|
|
|
self.assertEqual(r, 0x12345678)
|
|
|
self.assertEqual(p, 4)
|
|
|
|
|
|
def test_read_last_object_from_file(self):
|
|
|
obj = ('\u20ac', b'abc', 123, 45.6, 7+8j)
|
|
|
for v in range(marshal.version + 1):
|
|
|
data = marshal.dumps(obj, v)
|
|
|
with open(test_support.TESTFN, 'wb') as f:
|
|
|
f.write(data + b'xxxx')
|
|
|
r, p = _testcapi.pymarshal_read_last_object_from_file(test_support.TESTFN)
|
|
|
test_support.unlink(test_support.TESTFN)
|
|
|
self.assertEqual(r, obj)
|
|
|
|
|
|
def test_read_object_from_file(self):
|
|
|
obj = ('\u20ac', b'abc', 123, 45.6, 7+8j)
|
|
|
for v in range(marshal.version + 1):
|
|
|
data = marshal.dumps(obj, v)
|
|
|
with open(test_support.TESTFN, 'wb') as f:
|
|
|
f.write(data + b'xxxx')
|
|
|
r, p = _testcapi.pymarshal_read_object_from_file(test_support.TESTFN)
|
|
|
test_support.unlink(test_support.TESTFN)
|
|
|
self.assertEqual(r, obj)
|
|
|
self.assertEqual(p, len(data))
|
|
|
|
|
|
|
|
|
def test_main():
|
|
|
test_support.run_unittest(IntTestCase,
|
|
|
FloatTestCase,
|
|
|
StringTestCase,
|
|
|
CodeTestCase,
|
|
|
ContainerTestCase,
|
|
|
ExceptionTestCase,
|
|
|
BugsTestCase,
|
|
|
LargeValuesTestCase,
|
|
|
CAPI_TestCase,
|
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
test_main()
|
