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

[Guido van Rossum]

Update of /cvsroot/python/python/dist/src/Lib/test
In directory usw-pr-cvs1:/tmp/cvs-serv18530

Added Files:
	test_xreadline.py 
Log Message:
Test for xreadline.


--- NEW FILE: test_xreadline.py ---
from test_support import verbose

class XReader:
	def __init__(self):
		self.count = 5

	def readlines(self, sizehint = None):
		self.count = self.count - 1
		return map(lambda x: "%d\n" % x, range(self.count))

class Null: pass

import xreadlines


lineno = 0

try:
	xreadlines.xreadlines(Null())[0]
except AttributeError, detail:
	print "AttributeError"
else:
	print "Did not throw attribute error"

try:
	xreadlines.xreadlines(XReader)[0]
except TypeError, detail:
	print "TypeError"
else:
	print "Did not throw type error"

try:
	xreadlines.xreadlines(XReader())[1]
except RuntimeError, detail:
	print "RuntimeError", detail
else:
	print "Did not throw runtime error"

xresult = ['0\n', '1\n', '2\n', '3\n', '0\n', '1\n', '2\n', '0\n', '1\n', '0\n']
for line in xreadlines.xreadlines(XReader()):
	if line != xresult[lineno]: print "line %d differs" % lineno
	lineno = lineno + 1