forked from Rust-related/RustPython
42 lines
796 B
Python
42 lines
796 B
Python
from io import BufferedReader, FileIO, StringIO, BytesIO
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import os
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from testutils import assert_raises
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fi = FileIO('README.md')
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assert fi.seekable()
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bb = BufferedReader(fi)
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assert bb.seekable()
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result = bb.read()
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assert len(result) <= 8*1024
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assert len(result) >= 0
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assert isinstance(result, bytes)
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with FileIO('README.md') as fio:
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res = fio.read()
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assert len(result) <= 8*1024
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assert len(result) >= 0
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assert isinstance(result, bytes)
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fd = os.open('README.md', os.O_RDONLY)
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with FileIO(fd) as fio:
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res2 = fio.read()
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assert res == res2
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fi = FileIO('README.md')
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fi.read()
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fi.close()
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assert fi.closefd
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assert fi.closed
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with assert_raises(ValueError):
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fi.read()
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with FileIO('README.md') as fio:
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nres = fio.read(1)
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assert len(nres) == 1
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nres = fio.read(2)
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assert len(nres) == 2
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