183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh"""Test largefile support on system where this makes sense. 283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh""" 383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehfrom __future__ import print_function 583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehimport os 783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehimport stat 883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehimport sys 983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehimport unittest 1083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehfrom test.test_support import run_unittest, TESTFN, verbose, requires, \ 1183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh unlink 1283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehimport io # C implementation of io 1383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehimport _pyio as pyio # Python implementation of io 1483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 1583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehtry: 1683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh import signal 1783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # The default handler for SIGXFSZ is to abort the process. 1883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # By ignoring it, system calls exceeding the file size resource 1983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # limit will raise IOError instead of crashing the interpreter. 2083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh oldhandler = signal.signal(signal.SIGXFSZ, signal.SIG_IGN) 2183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehexcept (ImportError, AttributeError): 2283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh pass 2383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 2483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh# create >2GB file (2GB = 2147483648 bytes) 2583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehsize = 2500000000 2683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 2783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 2883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehclass LargeFileTest(unittest.TestCase): 2983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh """Test that each file function works as expected for a large 3083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh (i.e. > 2GB, do we have to check > 4GB) files. 3183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 3283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh NOTE: the order of execution of the test methods is important! test_seek 3383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh must run first to create the test file. File cleanup must also be handled 3483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh outside the test instances because of this. 3583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 3683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh """ 3783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 3883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh def test_seek(self): 3983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if verbose: 4083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh print('create large file via seek (may be sparse file) ...') 4183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh with self.open(TESTFN, 'wb') as f: 4283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.write(b'z') 4383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0) 4483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(size) 4583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.write(b'a') 4683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.flush() 4783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if verbose: 4883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh print('check file size with os.fstat') 4983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.fstat(f.fileno())[stat.ST_SIZE], size+1) 5083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 5183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh def test_osstat(self): 5283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if verbose: 5383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh print('check file size with os.stat') 5483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.stat(TESTFN)[stat.ST_SIZE], size+1) 5583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 5683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh def test_seek_read(self): 5783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if verbose: 5883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh print('play around with seek() and read() with the built largefile') 5983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh with self.open(TESTFN, 'rb') as f: 6083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 0) 6183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.read(1), b'z') 6283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 1) 6383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0) 6483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 0) 6583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0, 0) 6683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 0) 6783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(42) 6883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 42) 6983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(42, 0) 7083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 42) 7183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(42, 1) 7283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 84) 7383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0, 1) 7483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 84) 7583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0, 2) # seek from the end 7683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), size + 1 + 0) 7783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(-10, 2) 7883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), size + 1 - 10) 7983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(-size-1, 2) 8083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 0) 8183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(size) 8283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), size) 8383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # the 'a' that was written at the end of file above 8483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.read(1), b'a') 8583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(-size-1, 1) 8683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.read(1), b'z') 8783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 1) 8883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 8983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh def test_lseek(self): 9083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if verbose: 9183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh print('play around with os.lseek() with the built largefile') 9283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh with self.open(TESTFN, 'rb') as f: 9383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), 0, 0), 0) 9483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), 42, 0), 42) 9583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), 42, 1), 84) 9683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), 0, 1), 84) 9783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), 0, 2), size+1+0) 9883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), -10, 2), size+1-10) 9983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), -size-1, 2), 0) 10083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(os.lseek(f.fileno(), size, 0), size) 10183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # the 'a' that was written at the end of file above 10283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.read(1), b'a') 10383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 10483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh def test_truncate(self): 10583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if verbose: 10683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh print('try truncate') 10783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh with self.open(TESTFN, 'r+b') as f: 10883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # this is already decided before start running the test suite 10983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # but we do it anyway for extra protection 11083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if not hasattr(f, 'truncate'): 11183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh raise unittest.SkipTest("open().truncate() not available on this system") 11283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0, 2) 11383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # else we've lost track of the true size 11483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), size+1) 11583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # Cut it back via seek + truncate with no argument. 11683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh newsize = size - 10 11783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(newsize) 11883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.truncate() 11983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), newsize) # else pointer moved 12083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0, 2) 12183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), newsize) # else wasn't truncated 12283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # Ensure that truncate(smaller than true size) shrinks 12383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # the file. 12483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh newsize -= 1 12583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(42) 12683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.truncate(newsize) 12783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if self.new_io: 12883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 42) 12983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0, 2) 13083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), newsize) 13183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # XXX truncate(larger than true size) is ill-defined 13283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # across platform; cut it waaaaay back 13383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0) 13483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.truncate(1) 13583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if self.new_io: 13683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(f.tell(), 0) # else pointer moved 13783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(0) 13883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertEqual(len(f.read()), 1) # else wasn't truncated 13983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 14083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh def test_seekable(self): 14183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # Issue #5016; seekable() can return False when the current position 14283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # is negative when truncated to an int. 14383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if not self.new_io: 14483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.skipTest("builtin file doesn't have seekable()") 14583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh for pos in (2**31-1, 2**31, 2**31+1): 14683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh with self.open(TESTFN, 'rb') as f: 14783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(pos) 14883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh self.assertTrue(f.seekable()) 14983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 15083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 15183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehdef test_main(): 15283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # On Windows and Mac OSX this test comsumes large resources; It 15383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # takes a long time to build the >2GB file and takes >2GB of disk 15483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # space therefore the resource must be enabled to run this test. 15583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # If not, nothing after this line stanza will be executed. 15683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if sys.platform[:3] == 'win' or sys.platform == 'darwin': 15783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh requires('largefile', 15883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 'test requires %s bytes and a long time to run' % str(size)) 15983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh else: 16083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # Only run if the current filesystem supports large files. 16183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # (Skip this test on Windows, since we now always support 16283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # large files.) 16383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f = open(TESTFN, 'wb', buffering=0) 16483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh try: 16583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # 2**31 == 2147483648 16683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.seek(2147483649) 16783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # Seeking is not enough of a test: you must write and 16883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh # flush, too! 16983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.write(b'x') 17083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.flush() 17183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh except (IOError, OverflowError): 17283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.close() 17383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh unlink(TESTFN) 17483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh raise unittest.SkipTest("filesystem does not have largefile support") 17583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh else: 17683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh f.close() 17783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh suite = unittest.TestSuite() 17883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh for _open, prefix in [(io.open, 'C'), (pyio.open, 'Py'), 17983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh (open, 'Builtin')]: 18083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh class TestCase(LargeFileTest): 18183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh pass 18283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh TestCase.open = staticmethod(_open) 18383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh TestCase.new_io = _open is not open 18483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh TestCase.__name__ = prefix + LargeFileTest.__name__ 18583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh suite.addTest(TestCase('test_seek')) 18683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh suite.addTest(TestCase('test_osstat')) 18783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh suite.addTest(TestCase('test_seek_read')) 18883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh suite.addTest(TestCase('test_lseek')) 18983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh with _open(TESTFN, 'wb') as f: 19083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh if hasattr(f, 'truncate'): 19183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh suite.addTest(TestCase('test_truncate')) 19283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh suite.addTest(TestCase('test_seekable')) 19383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh unlink(TESTFN) 19483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh try: 19583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh run_unittest(suite) 19683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh finally: 19783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh unlink(TESTFN) 19883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh 19983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehif __name__ == '__main__': 20083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh test_main() 201