summaryrefslogtreecommitdiff
path: root/lib/python2.7/test/test_marshal.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/python2.7/test/test_marshal.py')
-rw-r--r--lib/python2.7/test/test_marshal.py332
1 files changed, 0 insertions, 332 deletions
diff --git a/lib/python2.7/test/test_marshal.py b/lib/python2.7/test/test_marshal.py
deleted file mode 100644
index bbe8eac..0000000
--- a/lib/python2.7/test/test_marshal.py
+++ /dev/null
@@ -1,332 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: iso-8859-1 -*-
-
-from test import test_support
-import marshal
-import sys
-import unittest
-import os
-
-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"Andrč 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 ["", "Andrč 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 ["", "Andrč 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"Andrč 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):
- s = 'c' + ('X' * 4*4) + '{' * 2**20
- self.assertRaises(ValueError, marshal.loads, s)
-
- def test_recursion_limit(self):
- # Create a deeply nested structure.
- head = last = []
- # The max stack depth should match the value in Python/marshal.c.
- 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, 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))
-
-
-def test_main():
- test_support.run_unittest(IntTestCase,
- FloatTestCase,
- StringTestCase,
- CodeTestCase,
- ContainerTestCase,
- ExceptionTestCase,
- BugsTestCase,
- LargeValuesTestCase,
- )
-
-if __name__ == "__main__":
- test_main()
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 21:56:21 +0000