diff options
| -rw-r--r-- | Lib/test/test_marshal.py | 222 |
1 files changed, 183 insertions, 39 deletions
diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py index 9237af0..ad45c29 100644 --- a/Lib/test/test_marshal.py +++ b/Lib/test/test_marshal.py @@ -1,44 +1,188 @@ -from test.test_support import TestFailed +#!/usr/bin/env python +# -*- coding: iso-8859-1 -*- + +from test import test_support import marshal import sys +import unittest +import os -# XXX Much more needed here. +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) -# 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) - if expected != got: - raise TestFailed("for int %d, marshal string is %r, loaded " - "back as %d" % (expected, s, got)) - n = n >> 1 - -# 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) + 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) got = marshal.loads(s) - if base != got: - raise TestFailed("for int %d, simulated marshal string is %r, " - "loaded back as %d" % (base, s, got)) - if base == -1: # a fixed-point for shifting right 1 - base = 0 - else: - base >>= 1 - -# Simple-minded check for SF 588452: Debug build crashes -marshal.dumps([128] * 1000) + 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) + marshal.dump(f, file(test_support.TESTFN, "wb")) + 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")) + 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")) + 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]: + b = buffer(s) + new = marshal.loads(marshal.dumps(b)) + self.assertEqual(s, new) + marshal.dump(b, file(test_support.TESTFN, "wb")) + 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")) + 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")) + 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")) + 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_main(): + test_support.run_unittest(IntTestCase, + FloatTestCase, + StringTestCase, + CodeTestCase, + ContainerTestCase, + ExceptionTestCase, + BugsTestCase) + +if __name__ == "__main__": + test_main() |