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Viewing changes to pypy/translator/stackless/test/test_clone.py

  • Committer: Bazaar Package Importer
  • Author(s): Alexandre Fayolle
  • Date: 2007-04-13 09:33:09 UTC
  • Revision ID: james.westby@ubuntu.com-20070413093309-yoojh4jcoocu2krz
Tags: upstream-1.0.0
Import upstream version 1.0.0

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pypy/translator/stackless/test/test_clone.py
 
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from pypy.translator.stackless.test.test_transform import \
 
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     llinterp_stackless_function, run_stackless_function
 
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from pypy.rlib import rstack
 
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def test_simple():
 
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    import py; py.test.skip("to be rewritten with gc_x_clone")
 
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    def g(lst):
 
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        lst.append(1)
 
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        parent = rstack.yield_current_frame_to_caller()
 
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        # compute a bit
 
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        lst.append(3)
 
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        # switch back for the fork
 
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        parent = parent.switch()
 
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        lst.append(6)   # we are here twice!
 
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        return parent
 
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    def f():
 
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        lst = []
 
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        c = g(lst)
 
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        lst.append(2)
 
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        c1 = c.switch()
 
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        lst.append(4)
 
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        c2 = c1.clone()      # clone() here
 
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        lst.append(5)
 
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        end1 = c1.switch()
 
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        lst.append(7)
 
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        end2 = c2.switch()
 
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        lst.append(8)
 
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        assert not end1
 
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        assert not end2
 
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        n = 0
 
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        for i in lst:
 
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            n = n*10 + i
 
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        return n
 
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    data = llinterp_stackless_function(f)
 
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    assert data == 123456768
 
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    res = run_stackless_function(f)
 
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    assert res == 123456768