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freddrakefreddrake
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Added some tests for the truncate() method; one is commented out because
cStringIO does not get it right (reported as SF bug #115531). Added test for ValueError when write() is called on a closed StringIO object. Commented out because cStringIO does not get it right (reported as SF bug #115530).
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‎Lib/test/output/test_StringIO‎

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@@ -3,7 +3,9 @@ abcdefghij
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klmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
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2
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'abcdefghij'
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abcdefghij
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klmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
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'abcdefghij'

‎Lib/test/test_StringIO.py‎

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@@ -9,6 +9,29 @@ def do_test(module):
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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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# This test fails for cStringIO; reported as SourceForge bug #115531;
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# please uncomment this test when that bug is fixed.
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# http://sourceforge.net/bugs/?func=detailbug&bug_id=115531&group_id=5470
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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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# This test fails for cStringIO; reported as SourceForge bug #115530;
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# please uncomment this test when that bug is fixed.
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# http://sourceforge.net/bugs/?func=detailbug&bug_id=115530&group_id=5470
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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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