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bzrlib/tests/test__simple_set.py

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# Copyright (C) 2009, 2010 Canonical Ltd

 

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# Copyright (C) 2009, 2010, 2011 Canonical Ltd

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#

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# This program is free software; you can redistribute it and/or modify

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# it under the terms of the GNU General Public License as published by

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import sys

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from bzrlib import (

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    errors,

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    osutils,

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    tests,

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    )

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        # And even removing an item still causes it to fail

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        obj.discard(k2)

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        self.assertRaises(RuntimeError, iterator.next)

 

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    def test__sizeof__(self):

 

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        # SimpleSet needs a custom sizeof implementation, because it allocates

 

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        # memory that Python cannot directly see (_table).

 

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        # Too much variability in platform sizes for us to give a fixed size

 

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        # here. However without a custom implementation, __sizeof__ would give

 

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        # us only the size of the object, and not its table. We know the table

 

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        # is at least 4bytes*1024entries in size.

 

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        obj = self.module.SimpleSet()

 

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        self.assertTrue(obj.__sizeof__() > 4096)

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