mirror of
https://github.com/python/cpython.git
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221 lines
11 KiB
Python
221 lines
11 KiB
Python
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import errno
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import os
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import sys
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import tempfile
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import unittest
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from test.support.import_helper import import_module
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termios = import_module('termios')
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@unittest.skipUnless(hasattr(os, 'openpty'), "need os.openpty()")
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class TestFunctions(unittest.TestCase):
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def setUp(self):
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master_fd, self.fd = os.openpty()
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self.addCleanup(os.close, master_fd)
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self.stream = self.enterContext(open(self.fd, 'wb', buffering=0))
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tmp = self.enterContext(tempfile.TemporaryFile(mode='wb', buffering=0))
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self.bad_fd = tmp.fileno()
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def assertRaisesTermiosError(self, errno, callable, *args):
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with self.assertRaises(termios.error) as cm:
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callable(*args)
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self.assertEqual(cm.exception.args[0], errno)
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def test_tcgetattr(self):
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attrs = termios.tcgetattr(self.fd)
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self.assertIsInstance(attrs, list)
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self.assertEqual(len(attrs), 7)
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for i in range(6):
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self.assertIsInstance(attrs[i], int)
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iflag, oflag, cflag, lflag, ispeed, ospeed, cc = attrs
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self.assertIsInstance(cc, list)
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self.assertEqual(len(cc), termios.NCCS)
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for i, x in enumerate(cc):
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if ((lflag & termios.ICANON) == 0 and
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(i == termios.VMIN or i == termios.VTIME)):
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self.assertIsInstance(x, int)
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else:
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self.assertIsInstance(x, bytes)
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self.assertEqual(len(x), 1)
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self.assertEqual(termios.tcgetattr(self.stream), attrs)
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def test_tcgetattr_errors(self):
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcgetattr, self.bad_fd)
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self.assertRaises(ValueError, termios.tcgetattr, -1)
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self.assertRaises(OverflowError, termios.tcgetattr, 2**1000)
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self.assertRaises(TypeError, termios.tcgetattr, object())
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self.assertRaises(TypeError, termios.tcgetattr)
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def test_tcsetattr(self):
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attrs = termios.tcgetattr(self.fd)
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termios.tcsetattr(self.fd, termios.TCSANOW, attrs)
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termios.tcsetattr(self.fd, termios.TCSADRAIN, attrs)
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termios.tcsetattr(self.fd, termios.TCSAFLUSH, attrs)
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termios.tcsetattr(self.stream, termios.TCSANOW, attrs)
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def test_tcsetattr_errors(self):
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attrs = termios.tcgetattr(self.fd)
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, tuple(attrs))
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1])
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs + [0])
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for i in range(6):
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attrs2 = attrs[:]
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attrs2[i] = 2**1000
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self.assertRaises(OverflowError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
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attrs2[i] = object()
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1][:-1]])
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1] + [b'\0']])
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for i in range(len(attrs[-1])):
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attrs2 = attrs[:]
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attrs2[-1] = attrs2[-1][:]
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attrs2[-1][i] = 2**1000
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self.assertRaises(OverflowError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
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attrs2[-1][i] = object()
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
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attrs2[-1][i] = b''
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
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attrs2[-1][i] = b'\0\0'
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, object())
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW)
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self.assertRaisesTermiosError(errno.EINVAL, termios.tcsetattr, self.fd, -1, attrs)
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self.assertRaises(OverflowError, termios.tcsetattr, self.fd, 2**1000, attrs)
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, object(), attrs)
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsetattr, self.bad_fd, termios.TCSANOW, attrs)
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self.assertRaises(ValueError, termios.tcsetattr, -1, termios.TCSANOW, attrs)
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self.assertRaises(OverflowError, termios.tcsetattr, 2**1000, termios.TCSANOW, attrs)
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self.assertRaises(TypeError, termios.tcsetattr, object(), termios.TCSANOW, attrs)
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self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW)
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def test_tcsendbreak(self):
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try:
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termios.tcsendbreak(self.fd, 1)
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except termios.error as exc:
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if exc.args[0] == errno.ENOTTY and sys.platform.startswith('freebsd'):
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self.skipTest('termios.tcsendbreak() is not supported '
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'with pseudo-terminals (?) on this platform')
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raise
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termios.tcsendbreak(self.stream, 1)
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def test_tcsendbreak_errors(self):
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self.assertRaises(OverflowError, termios.tcsendbreak, self.fd, 2**1000)
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self.assertRaises(TypeError, termios.tcsendbreak, self.fd, 0.0)
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self.assertRaises(TypeError, termios.tcsendbreak, self.fd, object())
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsendbreak, self.bad_fd, 0)
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self.assertRaises(ValueError, termios.tcsendbreak, -1, 0)
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self.assertRaises(OverflowError, termios.tcsendbreak, 2**1000, 0)
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self.assertRaises(TypeError, termios.tcsendbreak, object(), 0)
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self.assertRaises(TypeError, termios.tcsendbreak, self.fd)
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def test_tcdrain(self):
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termios.tcdrain(self.fd)
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termios.tcdrain(self.stream)
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def test_tcdrain_errors(self):
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcdrain, self.bad_fd)
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self.assertRaises(ValueError, termios.tcdrain, -1)
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self.assertRaises(OverflowError, termios.tcdrain, 2**1000)
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self.assertRaises(TypeError, termios.tcdrain, object())
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self.assertRaises(TypeError, termios.tcdrain)
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def test_tcflush(self):
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termios.tcflush(self.fd, termios.TCIFLUSH)
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termios.tcflush(self.fd, termios.TCOFLUSH)
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termios.tcflush(self.fd, termios.TCIOFLUSH)
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def test_tcflush_errors(self):
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self.assertRaisesTermiosError(errno.EINVAL, termios.tcflush, self.fd, -1)
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self.assertRaises(OverflowError, termios.tcflush, self.fd, 2**1000)
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self.assertRaises(TypeError, termios.tcflush, self.fd, object())
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcflush, self.bad_fd, termios.TCIFLUSH)
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self.assertRaises(ValueError, termios.tcflush, -1, termios.TCIFLUSH)
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self.assertRaises(OverflowError, termios.tcflush, 2**1000, termios.TCIFLUSH)
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self.assertRaises(TypeError, termios.tcflush, object(), termios.TCIFLUSH)
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self.assertRaises(TypeError, termios.tcflush, self.fd)
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def test_tcflow(self):
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termios.tcflow(self.fd, termios.TCOOFF)
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termios.tcflow(self.fd, termios.TCOON)
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termios.tcflow(self.fd, termios.TCIOFF)
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termios.tcflow(self.fd, termios.TCION)
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def test_tcflow_errors(self):
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self.assertRaisesTermiosError(errno.EINVAL, termios.tcflow, self.fd, -1)
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self.assertRaises(OverflowError, termios.tcflow, self.fd, 2**1000)
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self.assertRaises(TypeError, termios.tcflow, self.fd, object())
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcflow, self.bad_fd, termios.TCOON)
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self.assertRaises(ValueError, termios.tcflow, -1, termios.TCOON)
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self.assertRaises(OverflowError, termios.tcflow, 2**1000, termios.TCOON)
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self.assertRaises(TypeError, termios.tcflow, object(), termios.TCOON)
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self.assertRaises(TypeError, termios.tcflow, self.fd)
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def test_tcgetwinsize(self):
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size = termios.tcgetwinsize(self.fd)
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self.assertIsInstance(size, tuple)
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self.assertEqual(len(size), 2)
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self.assertIsInstance(size[0], int)
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self.assertIsInstance(size[1], int)
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self.assertEqual(termios.tcgetwinsize(self.stream), size)
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def test_tcgetwinsize_errors(self):
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcgetwinsize, self.bad_fd)
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self.assertRaises(ValueError, termios.tcgetwinsize, -1)
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self.assertRaises(OverflowError, termios.tcgetwinsize, 2**1000)
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self.assertRaises(TypeError, termios.tcgetwinsize, object())
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self.assertRaises(TypeError, termios.tcgetwinsize)
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def test_tcsetwinsize(self):
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size = termios.tcgetwinsize(self.fd)
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termios.tcsetwinsize(self.fd, size)
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termios.tcsetwinsize(self.fd, list(size))
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termios.tcsetwinsize(self.stream, size)
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def test_tcsetwinsize_errors(self):
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size = termios.tcgetwinsize(self.fd)
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, size[:-1])
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, size + (0,))
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, object())
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self.assertRaises(OverflowError, termios.tcsetwinsize, self.fd, (size[0], 2**1000))
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (size[0], float(size[1])))
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (size[0], object()))
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self.assertRaises(OverflowError, termios.tcsetwinsize, self.fd, (2**1000, size[1]))
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (float(size[0]), size[1]))
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (object(), size[1]))
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self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsetwinsize, self.bad_fd, size)
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self.assertRaises(ValueError, termios.tcsetwinsize, -1, size)
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self.assertRaises(OverflowError, termios.tcsetwinsize, 2**1000, size)
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self.assertRaises(TypeError, termios.tcsetwinsize, object(), size)
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self.assertRaises(TypeError, termios.tcsetwinsize, self.fd)
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class TestModule(unittest.TestCase):
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def test_constants(self):
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self.assertIsInstance(termios.B0, int)
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self.assertIsInstance(termios.B38400, int)
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self.assertIsInstance(termios.TCSANOW, int)
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self.assertIsInstance(termios.TCSADRAIN, int)
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self.assertIsInstance(termios.TCSAFLUSH, int)
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self.assertIsInstance(termios.TCIFLUSH, int)
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self.assertIsInstance(termios.TCOFLUSH, int)
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self.assertIsInstance(termios.TCIOFLUSH, int)
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self.assertIsInstance(termios.TCOOFF, int)
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self.assertIsInstance(termios.TCOON, int)
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self.assertIsInstance(termios.TCIOFF, int)
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self.assertIsInstance(termios.TCION, int)
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self.assertIsInstance(termios.VTIME, int)
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self.assertIsInstance(termios.VMIN, int)
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self.assertIsInstance(termios.NCCS, int)
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self.assertLess(termios.VTIME, termios.NCCS)
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self.assertLess(termios.VMIN, termios.NCCS)
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def test_exception(self):
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self.assertTrue(issubclass(termios.error, Exception))
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self.assertFalse(issubclass(termios.error, OSError))
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if __name__ == '__main__':
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unittest.main()
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