| #!/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"Andrè 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 ["", "Andrè 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 ["", "Andrè 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"Andrè 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) | 
 |  | 
 |     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.assert_(isinstance(new, constructor)) | 
 |             self.assertNotEqual(id(t), id(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_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.assertEquals(marshal.loads(marshal.dumps(5, 0)), 5) | 
 |         self.assertEquals(marshal.loads(marshal.dumps(5, 1)), 5) | 
 |  | 
 | def test_main(): | 
 |     test_support.run_unittest(IntTestCase, | 
 |                               FloatTestCase, | 
 |                               StringTestCase, | 
 |                               CodeTestCase, | 
 |                               ContainerTestCase, | 
 |                               ExceptionTestCase, | 
 |                               BugsTestCase) | 
 |  | 
 | if __name__ == "__main__": | 
 |     test_main() |