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[stop_at_exit] / tests / test-failinfo_refcount.py 

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"""
Test that we keep references to failinfo as needed.
"""

import fiu

# Object we'll use for failinfo
finfo = [1, 2, 3]

fiu.enable('p1', failinfo = finfo)

assert fiu.fail('p1')
assert fiu.failinfo('p1') is finfo

finfo_id = id(finfo)
del finfo

assert fiu.failinfo('p1') == [1, 2, 3]
assert id(fiu.failinfo('p1')) == finfo_id