mirror of https://github.com/python/cpython
31 lines
734 B
Python
31 lines
734 B
Python
# Tests StringIO and cStringIO
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def do_test(module):
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s = ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"+'\n')*5
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f = module.StringIO(s)
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print f.read(10)
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print f.readline()
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print len(f.readlines(60))
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f = module.StringIO()
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f.write(s)
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f.seek(10)
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f.truncate()
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print `f.getvalue()`
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f.seek(0)
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f.truncate(5)
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print `f.getvalue()`
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f.close()
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try:
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f.write("frobnitz")
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except ValueError, e:
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print "Caught expected ValueError writing to closed StringIO:"
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print e
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else:
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print "Failed to catch ValueError writing to closed StringIO."
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# Don't bother testing cStringIO without
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import StringIO, cStringIO
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do_test(StringIO)
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do_test(cStringIO)
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