Viewing file:  outstanding_bugs.py (2.18 KB) -rw-r--r--
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#
# This file is for everybody to add tests for bugs that aren't
# fixed yet. Please add a test case and appropriate bug description.
#
# When you fix one of the bugs, please move the test to the correct
# test_ module.
#
import unittest
from test import support
#
# One test case for outstanding bugs at the moment:
#
# test_io
import io
class TextIOWrapperTest(unittest.TestCase):
def setUp(self):
self.testdata = b"AAA\r\nBBB\rCCC\r\nDDD\nEEE\r\n"
self.normalized = b"AAA\nBBB\nCCC\nDDD\nEEE\n".decode("ASCII")
def tearDown(self):
support.unlink(support.TESTFN)
def test_issue1395_1(self):
txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ASCII")
# read one char at a time
reads = ""
while True:
c = txt.read(1)
if not c:
break
reads += c
self.assertEqual(reads, self.normalized)
def test_issue1395_2(self):
txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ASCII")
txt._CHUNK_SIZE = 4
reads = ""
while True:
c = txt.read(4)
if not c:
break
reads += c
self.assertEqual(reads, self.normalized)
def test_issue1395_3(self):
txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ASCII")
txt._CHUNK_SIZE = 4
reads = txt.read(4)
reads += txt.read(4)
reads += txt.readline()
reads += txt.readline()
reads += txt.readline()
self.assertEqual(reads, self.normalized)
def test_issue1395_4(self):
txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ASCII")
txt._CHUNK_SIZE = 4
reads = txt.read(4)
reads += txt.read()
self.assertEqual(reads, self.normalized)
def test_issue1395_5(self):
txt = io.TextIOWrapper(io.BytesIO(self.testdata), encoding="ASCII")
txt._CHUNK_SIZE = 4
reads = txt.read(4)
pos = txt.tell()
txt.seek(0)
txt.seek(pos)
self.assertEqual(txt.read(4), "BBB\n")
def test_main():
support.run_unittest(
TextIOWrapperTest)
if __name__ == "__main__":
test_main()
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