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Issue #20520: Fixed readline test in test_codecs.

This commit is contained in:
Serhiy Storchaka 2014-02-06 09:27:28 +02:00
parent bfafa6198a 5b4fab1ad7
commit 3dcb0cf9b1
1 changed files with 15 additions and 6 deletions
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21
Lib/test/test_codecs.py
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@ -148,19 +148,20 @@ class ReadTest(MixInCheckStateHandling):
self.assertEqual(readalllines(s, True, 10), sexpected)
self.assertEqual(readalllines(s, False, 10), sexpectednoends)
lineends = ("\n", "\r\n", "\r", "\u2028")
# Test long lines (multiple calls to read() in readline())
vw = []
vwo = []
for (i, lineend) in enumerate("\n \r\n \r \u2028".split()):
vw.append((i*200)*"\3042" + lineend)
vwo.append((i*200)*"\3042")
self.assertEqual(readalllines("".join(vw), True), "".join(vw))
self.assertEqual(readalllines("".join(vw), False),"".join(vwo))
for (i, lineend) in enumerate(lineends):
vw.append((i*200+200)*"\u3042" + lineend)
vwo.append((i*200+200)*"\u3042")
self.assertEqual(readalllines("".join(vw), True), "|".join(vw))
self.assertEqual(readalllines("".join(vw), False), "|".join(vwo))
# Test lines where the first read might end with \r, so the
# reader has to look ahead whether this is a lone \r or a \r\n
for size in range(80):
for lineend in "\n \r\n \r \u2028".split():
for lineend in lineends:
s = 10*(size*"a" + lineend + "xxx\n")
reader = getreader(s)
for i in range(10):
@ -168,12 +169,20 @@ class ReadTest(MixInCheckStateHandling):
reader.readline(keepends=True),
size*"a" + lineend,
)
self.assertEqual(
reader.readline(keepends=True),
"xxx\n",
)
reader = getreader(s)
for i in range(10):
self.assertEqual(
reader.readline(keepends=False),
size*"a",
)
self.assertEqual(
reader.readline(keepends=False),
"xxx",
)
def test_mixed_readline_and_read(self):
lines = ["Humpty Dumpty sat on a wall,\n",