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