diff options
Diffstat (limited to 'Lib/test/test_fcntl.py')
| -rw-r--r-- | Lib/test/test_fcntl.py | 57 |
1 files changed, 36 insertions, 21 deletions
diff --git a/Lib/test/test_fcntl.py b/Lib/test/test_fcntl.py index 0ce3a5dd7a..1810c4e95e 100644 --- a/Lib/test/test_fcntl.py +++ b/Lib/test/test_fcntl.py @@ -3,14 +3,15 @@ OS/2+EMX doesn't support the file locking operations. """ +import platform import os import struct import sys -import _testcapi import unittest -from test.support import verbose, TESTFN, unlink, run_unittest, import_module +from test.support import (verbose, TESTFN, unlink, run_unittest, import_module, + cpython_only) -# Skip test if no fnctl module. +# Skip test if no fcntl module. fcntl = import_module('fcntl') @@ -34,6 +35,8 @@ def get_lockdata(): pid_t = 'l' lockdata = struct.pack(off_t + off_t + pid_t + 'hh', 0, 0, 0, fcntl.F_WRLCK, 0) + elif sys.platform.startswith('gnukfreebsd'): + lockdata = struct.pack('qqihhi', 0, 0, 0, fcntl.F_WRLCK, 0, 0) elif sys.platform in ['aix3', 'aix4', 'hp-uxB', 'unixware7']: lockdata = struct.pack('hhlllii', fcntl.F_WRLCK, 0, 0, 0, 0, 0, 0) elif sys.platform in ['os2emx']: @@ -47,6 +50,12 @@ def get_lockdata(): lockdata = get_lockdata() +class BadFile: + def __init__(self, fn): + self.fn = fn + def fileno(self): + return self.fn + class TestFcntl(unittest.TestCase): def setUp(self): @@ -78,25 +87,31 @@ class TestFcntl(unittest.TestCase): self.f.close() def test_fcntl_bad_file(self): - class F: - def __init__(self, fn): - self.fn = fn - def fileno(self): - return self.fn - self.assertRaises(ValueError, fcntl.fcntl, -1, fcntl.F_SETFL, os.O_NONBLOCK) - self.assertRaises(ValueError, fcntl.fcntl, F(-1), fcntl.F_SETFL, os.O_NONBLOCK) - self.assertRaises(TypeError, fcntl.fcntl, 'spam', fcntl.F_SETFL, os.O_NONBLOCK) - self.assertRaises(TypeError, fcntl.fcntl, F('spam'), fcntl.F_SETFL, os.O_NONBLOCK) + with self.assertRaises(ValueError): + fcntl.fcntl(-1, fcntl.F_SETFL, os.O_NONBLOCK) + with self.assertRaises(ValueError): + fcntl.fcntl(BadFile(-1), fcntl.F_SETFL, os.O_NONBLOCK) + with self.assertRaises(TypeError): + fcntl.fcntl('spam', fcntl.F_SETFL, os.O_NONBLOCK) + with self.assertRaises(TypeError): + fcntl.fcntl(BadFile('spam'), fcntl.F_SETFL, os.O_NONBLOCK) + + @cpython_only + def test_fcntl_bad_file_overflow(self): + from _testcapi import INT_MAX, INT_MIN # Issue 15989 - self.assertRaises(OverflowError, fcntl.fcntl, _testcapi.INT_MAX + 1, - fcntl.F_SETFL, os.O_NONBLOCK) - self.assertRaises(OverflowError, fcntl.fcntl, F(_testcapi.INT_MAX + 1), - fcntl.F_SETFL, os.O_NONBLOCK) - self.assertRaises(OverflowError, fcntl.fcntl, _testcapi.INT_MIN - 1, - fcntl.F_SETFL, os.O_NONBLOCK) - self.assertRaises(OverflowError, fcntl.fcntl, F(_testcapi.INT_MIN - 1), - fcntl.F_SETFL, os.O_NONBLOCK) - + with self.assertRaises(OverflowError): + fcntl.fcntl(INT_MAX + 1, fcntl.F_SETFL, os.O_NONBLOCK) + with self.assertRaises(OverflowError): + fcntl.fcntl(BadFile(INT_MAX + 1), fcntl.F_SETFL, os.O_NONBLOCK) + with self.assertRaises(OverflowError): + fcntl.fcntl(INT_MIN - 1, fcntl.F_SETFL, os.O_NONBLOCK) + with self.assertRaises(OverflowError): + fcntl.fcntl(BadFile(INT_MIN - 1), fcntl.F_SETFL, os.O_NONBLOCK) + + @unittest.skipIf( + platform.machine().startswith('arm') and platform.system() == 'Linux', + "ARM Linux returns EINVAL for F_NOTIFY DN_MULTISHOT") def test_fcntl_64_bit(self): # Issue #1309352: fcntl shouldn't fail when the third arg fits in a # C 'long' but not in a C 'int'. |