[Python-checkins] CVS: python/dist/src/Lib/test test_file.py,NONE,1.1

[M.-A. Lemburg]

Update of /cvsroot/python/python/dist/src/Lib/test
In directory slayer.i.sourceforge.net:/tmp/cvs-serv20349/Lib/test

Added Files:
	test_file.py 
Log Message:
New test suite for file objects by Jeremy Hilton. This will need
to be extended somewhat -- right now it only tests the .writelines()
method.

--- NEW FILE ---
from test_support import TESTFN
from UserList import UserList

# verify writelines with instance sequence
l = UserList(['1', '2'])
f = open(TESTFN, 'wb')
f.writelines(l)
f.close()
f = open(TESTFN, 'rb')
buf = f.read()
f.close()
assert buf == '12'

# verify writelines with integers
f = open(TESTFN, 'wb')
try:
    f.writelines([1, 2, 3])
except TypeError:
    pass
else:
    print "writelines accepted sequence of integers"
f.close()

# verify writelines with integers in UserList
f = open(TESTFN, 'wb')
l = UserList([1,2,3])
try:
    f.writelines(l)
except TypeError:
    pass
else:
    print "writelines accepted sequence of integers"
f.close()

# verify writelines with non-string object
class NonString: pass

f = open(TESTFN, 'wb')
try:
    f.writelines([NonString(), NonString()])
except TypeError:
    pass
else:
    print "writelines accepted sequence of non-string objects"
f.close()