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Viewing changes to Lib/test/test_os.py

  • Committer: Jeffrey C. "The TimeHorse" Jacobs
  • Date: 2008-09-21 17:53:26 UTC
  • mfrom: (39025.1.14 Regexp-2.7)
  • Revision ID: darklord@timehorse.com-20080921175326-92vaej2hc3yuecxb
Merged in changes from the core Regexp branch.

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Lib/test/test_os.py
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        self.assert_(os.access(test_support.TESTFN, os.W_OK))
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    def test_closerange(self):
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        f = os.open(test_support.TESTFN, os.O_CREAT|os.O_RDWR)
 
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        first = os.open(test_support.TESTFN, os.O_CREAT|os.O_RDWR)
 
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        # We must allocate two consecutive file descriptors, otherwise
 
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        # it will mess up other file descriptors (perhaps even the three
 
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        # standard ones).
 
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        second = os.dup(first)
 
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        try:
 
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            retries = 0
 
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            while second != first + 1:
 
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                os.close(first)
 
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                retries += 1
 
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                if retries > 10:
 
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                    # XXX test skipped
 
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                    print >> sys.stderr, (
 
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                        "couldn't allocate two consecutive fds, "
 
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                        "skipping test_closerange")
 
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                    return
 
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                first, second = second, os.dup(second)
 
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        finally:
 
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            os.close(second)
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        # close a fd that is open, and one that isn't
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        os.closerange(f, f+2)
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        self.assertRaises(OSError, os.write, f, "a")
 
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        os.closerange(first, first + 2)
 
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        self.assertRaises(OSError, os.write, first, "a")
 
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    def test_rename(self):
 
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        path = unicode(test_support.TESTFN)
 
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        old = sys.getrefcount(path)
 
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        self.assertRaises(TypeError, os.rename, path, 0)
 
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        new = sys.getrefcount(path)
 
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        self.assertEqual(old, new)
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class TemporaryFileTests(unittest.TestCase):
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    # systems support centiseconds
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    if sys.platform == 'win32':
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        def get_file_system(path):
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            import os
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            root = os.path.splitdrive(os.path.realpath("."))[0] + '\\'
 
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            root = os.path.splitdrive(os.path.abspath(path))[0] + '\\'
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            import ctypes
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            kernel32 = ctypes.windll.kernel32
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            buf = ctypes.create_string_buffer("", 100)
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            try:
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                os.stat(r"c:\pagefile.sys")
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            except WindowsError, e:
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                if e == 2: # file does not exist; cannot run test
 
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                if e.errno == 2: # file does not exist; cannot run test
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                    return
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                self.fail("Could not stat pagefile.sys")
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            self.assertEqual(len(os.urandom(10)), 10)
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            self.assertEqual(len(os.urandom(100)), 100)
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            self.assertEqual(len(os.urandom(1000)), 1000)
 
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            # see http://bugs.python.org/issue3708
 
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            self.assertEqual(len(os.urandom(0.9)), 0)
 
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            self.assertEqual(len(os.urandom(1.1)), 1)
 
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            self.assertEqual(len(os.urandom(2.0)), 2)
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        except NotImplementedError:
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            pass
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