diff -r 000000000000 -r ae805ac0140d python-2.5.2/win32/Lib/test/test_resource.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/python-2.5.2/win32/Lib/test/test_resource.py Fri Apr 03 17:19:34 2009 +0100 @@ -0,0 +1,71 @@ +import os +import resource + +from test.test_support import TESTFN, unlink + +# This test is checking a few specific problem spots. RLIMIT_FSIZE +# should be RLIM_INFINITY, which will be a really big number on a +# platform with large file support. On these platforms, we need to +# test that the get/setrlimit functions properly convert the number to +# a C long long and that the conversion doesn't raise an error. + +try: + cur, max = resource.getrlimit(resource.RLIMIT_FSIZE) +except AttributeError: + pass +else: + print resource.RLIM_INFINITY == max + resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max)) + +# Now check to see what happens when the RLIMIT_FSIZE is small. Some +# versions of Python were terminated by an uncaught SIGXFSZ, but +# pythonrun.c has been fixed to ignore that exception. If so, the +# write() should return EFBIG when the limit is exceeded. + +# At least one platform has an unlimited RLIMIT_FSIZE and attempts to +# change it raise ValueError instead. + +try: + try: + resource.setrlimit(resource.RLIMIT_FSIZE, (1024, max)) + limit_set = 1 + except ValueError: + limit_set = 0 + f = open(TESTFN, "wb") + try: + f.write("X" * 1024) + try: + f.write("Y") + f.flush() + # On some systems (e.g., Ubuntu on hppa) the flush() + # doesn't always cause the exception, but the close() + # does eventually. Try flushing several times in + # an attempt to ensure the file is really synced and + # the exception raised. + for i in range(5): + time.sleep(.1) + f.flush() + except IOError: + if not limit_set: + raise + if limit_set: + # Close will attempt to flush the byte we wrote + # Restore limit first to avoid getting a spurious error + resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max)) + finally: + f.close() +finally: + if limit_set: + resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max)) + unlink(TESTFN) + +# And be sure that setrlimit is checking for really large values +too_big = 10L**50 +try: + resource.setrlimit(resource.RLIMIT_FSIZE, (too_big, max)) +except (OverflowError, ValueError): + pass +try: + resource.setrlimit(resource.RLIMIT_FSIZE, (max, too_big)) +except (OverflowError, ValueError): + pass