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make bad file descriptor tests more robust

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This commit is contained in:
Benjamin Peterson 2009-01-19 17:37:42 +00:00
parent c84ebe73a7
commit 5539c78391
3 changed files with 32 additions and 15 deletions
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30
Lib/test/test_os.py
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@ -540,55 +540,59 @@ class TestInvalidFD(unittest.TestCase):
#We omit close because it doesn'r raise an exception on some platforms
def get_single(f):
def helper(self):
if getattr(os, f, None):
self.assertRaises(OSError, getattr(os, f), 10)
if hasattr(os, f):
self.check(getattr(os, f))
return helper
for f in singles:
locals()["test_"+f] = get_single(f)
def check(self, f, *args):
self.assertRaises(OSError, f, test_support.make_bad_fd(), *args)
def test_isatty(self):
if hasattr(os, "isatty"):
self.assertEqual(os.isatty(10), False)
self.assertEqual(os.isatty(test_support.make_bad_fd()), False)
def test_closerange(self):
if hasattr(os, "closerange"):
self.assertEqual(os.closerange(10, 20), None)
fd = test_support.make_bad_fd()
self.assertEqual(os.closerange(fd, fd + 10), None)
def test_dup2(self):
if hasattr(os, "dup2"):
self.assertRaises(OSError, os.dup2, 10, 20)
self.check(os.dup2, 20)
def test_fchmod(self):
if hasattr(os, "fchmod"):
self.assertRaises(OSError, os.fchmod, 10, 0)
self.check(os.fchmod, 0)
def test_fchown(self):
if hasattr(os, "fchown"):
self.assertRaises(OSError, os.fchown, 10, -1, -1)
self.check(os.fchown, -1, -1)
def test_fpathconf(self):
if hasattr(os, "fpathconf"):
self.assertRaises(OSError, os.fpathconf, 10, "PC_NAME_MAX")
self.check(os.fpathconf, "PC_NAME_MAX")
def test_ftruncate(self):
if hasattr(os, "ftruncate"):
self.assertRaises(OSError, os.ftruncate, 10, 0)
self.check(os.ftruncate, 0)
def test_lseek(self):
if hasattr(os, "lseek"):
self.assertRaises(OSError, os.lseek, 10, 0, 0)
self.check(os.lseek, 0, 0)
def test_read(self):
if hasattr(os, "read"):
self.assertRaises(OSError, os.read, 10, 1)
self.check(os.read, 1)
def test_tcsetpgrpt(self):
if hasattr(os, "tcsetpgrp"):
self.assertRaises(OSError, os.tcsetpgrp, 10, 0)
self.check(os.tcsetpgrp, 0)
def test_write(self):
if hasattr(os, "write"):
self.assertRaises(OSError, os.write, 10, " ")
self.check(os.write, " ")
if sys.platform != 'win32':
class Win32ErrorTests(unittest.TestCase):