o
    HXh                     @   s  d dl Z d dlZ d dlmZmZmZ d dlmZ d dlm	Z	m
Z
mZ d dlmZmZ d dlmZ d dlZd dlZd dlZd dlZd dlZd dlZd dlZzd dlmZ W n eya   dd	 ZY nw zd d
lmZ W n eyu   dZY nw G dd deZG dd deZeG dd deZe  ddrde d v Z!ne"ed Z!G dd de j#Z$G dd de j#Z%G dd de j#Z&G dd de j#Z'dd Z(dd  Z)e*d!kre +  dS dS )"    N)verboserefcount_testcpython_only)import_module)temp_dirTESTFNunlink)assert_python_okmake_script)threading_helper)with_tp_delc                 C   s   G dd dt }|S )Nc                   @      e Zd Zdd ZdS )zwith_tp_del.<locals>.Cc                 _   s   t d)Nzrequires _testcapi.with_tp_del)	TypeError)clsargskwargs r   6/opt/python-3.10.19/usr/lib/python3.10/test/test_gc.py__new__   s   zwith_tp_del.<locals>.C.__new__N)__name__
__module____qualname__r   r   r   r   r   C       r   )object)r   r   r   r   r   r      s   r   )ContainerNoGCc                   @   r   )C1055820c                 C   s   || _ | | _d S N)iloop)selfr   r   r   r   __init__)   s   
zC1055820.__init__Nr   r   r   r!   r   r   r   r   r   (   r   r   c                   @   r   )GC_Detectorc                    s(   d _  fdd}ttd| _d S )NFc                    s
   d _ d S )NT)gc_happenedZignoredr    r   r   it_happened4      
z)GC_Detector.__init__.<locals>.it_happened  )r$   weakrefrefr   wr)r    r'   r   r&   r   r!   1   s   zGC_Detector.__init__Nr"   r   r   r   r   r#   -   s    r#   c                   @   s"   e Zd ZdZdddZdd ZdS )Uncollectablea)  Create a reference cycle with multiple __del__ methods.

    An object in a reference cycle will never have zero references,
    and so must be garbage collected.  If one or more objects in the
    cycle have __del__ methods, the gc refuses to guess an order,
    and leaves the cycle uncollected.Nc                 C   s"   |d u rt | d| _d S || _d S )N)partner)r-   r.   )r    r.   r   r   r   r!   C   s   
zUncollectable.__init__c                 C      d S r   r   r&   r   r   r   
__tp_del__H   s   zUncollectable.__tp_del__r   )r   r   r   __doc__r!   r0   r   r   r   r   r-   ;   s    
r-   Z	PY_CFLAGS z-DNDEBUGZgettotalrefcountc                   @   st  e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
edd Zedd Zdd Zedd Zdd Zdd Zdd Zedd  Zed!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d0 Zd1d2 Zd3d4 Zd5d6 Zd7d8 Z ed9d: Z!d;d< Z"d=d> Z#d?d@ Z$dAdB Z%dCdD Z&dEdF Z'dGdH Z(dIdJ Z)dKdL Z*dMdN Z+e,-e.dOu dPdQdR Z/dOS )SGCTestsc                 C   s,   g }| | t  ~| t d d S N   appendgccollectassertEqual)r    lr   r   r   	test_listW   s
   
zGCTests.test_listc                 C   s*   i }||d< t   ~| t  d d S r4   r8   r9   r:   r    dr   r   r   	test_dict^   s
   zGCTests.test_dictc                 C   s4   g }|f}| | t  ~~| t d d S )N   r6   )r    r;   tr   r   r   
test_tuplee   s   
zGCTests.test_tuplec                 C   s2   G dd d}||_ t  ~| t d d S )Nc                   @      e Zd ZdS )zGCTests.test_class.<locals>.ANr   r   r   r   r   r   r   Ap       rF   r   ar8   r9   assertNotEqualr    rF   r   r   r   
test_classo   s
   zGCTests.test_classc                 C   s.   G dd dt }t  ~| t d d S )Nc                   @   rD   )z%GCTests.test_newstyleclass.<locals>.ANrE   r   r   r   r   rF   x   rG   rF   r   )r   r8   r9   rJ   rK   r   r   r   test_newstyleclassw   s   zGCTests.test_newstyleclassc                 C   s8   G dd d}| }||_ t  ~| t d d S )Nc                   @   rD   )z GCTests.test_instance.<locals>.ANrE   r   r   r   r   rF      rG   rF   r   rH   r    rF   rI   r   r   r   test_instance~   s   zGCTests.test_instancec                 C   s   G dd dt }| }||_t  ~| t d G dd dt}G dd d||}| }||_t  ~| t d ~~| t d | |_~| t d | t d d S )Nc                   @   rD   )z#GCTests.test_newinstance.<locals>.ANrE   r   r   r   r   rF      rG   rF   r   c                   @   rD   )z#GCTests.test_newinstance.<locals>.BNrE   r   r   r   r   B   rG   rP   c                   @   rD   )z#GCTests.test_newinstance.<locals>.CNrE   r   r   r   r   r      rG   r   )r   rI   r8   r9   rJ   listr:   )r    rF   rI   rP   r   r   r   r   test_newinstance   s&   zGCTests.test_newinstancec                 C   s2   G dd d}| }t   ~| t  d d S )Nc                   @   r   )zGCTests.test_method.<locals>.Ac                 S   s   | j | _d S r   )r!   Zinitr&   r   r   r   r!         z'GCTests.test_method.<locals>.A.__init__Nr"   r   r   r   r   rF      r   rF   r   )r8   r9   rJ   rN   r   r   r   test_method   s
   zGCTests.test_methodc                 C   s   t G dd d}G dd d}| }||_t|}| }||_t  ~~| t d tjD ]}t||kr=|` nq1| d tj	| d S )Nc                   @   r   )z(GCTests.test_legacy_finalizer.<locals>.Ac                 S   r/   r   r   r&   r   r   r   r0          z3GCTests.test_legacy_finalizer.<locals>.A.__tp_del__Nr   r   r   r0   r   r   r   r   rF          rF   c                   @   rD   )z(GCTests.test_legacy_finalizer.<locals>.BNrE   r   r   r   r   rP      rG   rP   r   &didn't find obj in garbage (finalizer))
r   rI   idbr8   r9   rJ   garbagefailremover    rF   rP   rI   Zid_arZ   objr   r   r   test_legacy_finalizer   s&   

zGCTests.test_legacy_finalizerc                 C   s   t G dd dt}G dd dt}| }||_t|}| }||_t  ~~| t d tjD ]}t||kr?|` nq3| 	d tj
| d S )Nc                   @   r   )z1GCTests.test_legacy_finalizer_newclass.<locals>.Ac                 S   r/   r   r   r&   r   r   r   r0      rU   z<GCTests.test_legacy_finalizer_newclass.<locals>.A.__tp_del__NrV   r   r   r   r   rF      rW   rF   c                   @   rD   )z1GCTests.test_legacy_finalizer_newclass.<locals>.BNrE   r   r   r   r   rP      rG   rP   r   rX   )r   r   rI   rY   rZ   r8   r9   rJ   r[   r\   r]   r^   r   r   r   test_legacy_finalizer_newclass   s&   

z&GCTests.test_legacy_finalizer_newclassc                 C   s,   i }t d| t  ~| t d d S )Nzdef f(): pass
rA   )execr8   r9   r:   r>   r   r   r   test_function   s
   
zGCTests.test_functionc                 C   s*   dd }t   |  | t  d d S )Nc                  S   s   t  } d S r   )sys	_getframe)framer   r   r   f   rS   zGCTests.test_frame.<locals>.fr5   r=   )r    rg   r   r   r   
test_frame   s   zGCTests.test_framec                 C   s   t   | t jg  g }|| t|}t  }t |t jB  ~t   t | | t	t jd t j
 }| t|| d S r4   )r8   r9   r:   r[   r7   rY   	get_debug	set_debugZDEBUG_SAVEALLlenpop)r    LZid_Ldebugr_   r   r   r   test_saveall   s   


zGCTests.test_saveallc                 C   sF   t  }t   t d G dd d}| }~t   t j|  d S )Nr5   c                   @   r   )zGCTests.test_del.<locals>.Ac                 S      t |  d S r   dirr&   r   r   r   __del__  rS   z#GCTests.test_del.<locals>.A.__del__Nr   r   r   rs   r   r   r   r   rF     r   rF   )r8   get_thresholdenableset_thresholddisabler    Z
thresholdsrF   rI   r   r   r   test_del  s   
zGCTests.test_delc                 C   sH   t  }t   t d G dd dt}| }~t   t j|  d S )Nr5   c                   @   r   )z$GCTests.test_del_newclass.<locals>.Ac                 S   rp   r   rq   r&   r   r   r   rs     rS   z,GCTests.test_del_newclass.<locals>.A.__del__Nrt   r   r   r   r   rF     r   rF   )r8   ru   rv   rw   r   rx   ry   r   r   r   test_del_newclass  s   
zGCTests.test_del_newclassc                 C   sd   t   t  \}}}g }t  \}}}| ||fd | ||fd | |d | || d S )Nr   r      )r8   r9   	get_countr:   Z
assertLessassertGreater)r    rI   rZ   cxr?   erg   r   r   r   test_get_count*  s   zGCTests.test_get_countc                 C   s   t   g }t d t  \}}}t d t  \}}}t d t  \}}	}
| ||fd | ||fd | |	|
fd d S )Nr   r5   rA   )r5   r   )r   r5   r|   )r8   r9   r~   r:   )r    r   rI   rZ   r   r?   r   rg   ghr   r   r   r   test_collect_generations8  s   


z GCTests.test_collect_generationsc                    s   G  fddd t   d}tdD ]-}g }t|D ]}|  g}qg }t|D ]}|  g}q)i }t|D ]}|  d}q7qt   d S )Nc                       s   e Zd ZdZ fddZdS )z#GCTests.test_trashcan.<locals>.Ouchr   c                    s*    j d  _  j d dkrt  d S d S )Nr5      r   )nr8   r9   r&   Ouchr   r   rs   P  s   z+GCTests.test_trashcan.<locals>.Ouch.__del__N)r   r   r   r   rs   r   r   r   r   r   N  s    r      rA   )r5   rA   )r8   rv   rangerx   )r    NcountrB   r   uvr   r   r   test_trashcanM  s   zGCTests.test_trashcanc              	      s   dd}dd G  fdddt   fddfd	d
}t }td z<g g }t|D ]}tj|d}|| q3t	|fdd t
d W d    n1 s[w   Y  W t| nt| w t  | t jt j d S )N<   rA   c                	   s   s&    zdV  W t d dS t d w )z<A generator that releases the GIL when closed or dealloc'ed.Ngư>)timesleepr   r   r   r   sleeper_genu  s   z2GCTests.test_trashcan_threads.<locals>.sleeper_genc                       s.   e Zd Zg Zg Z fddZ fddZdS )z(GCTests.test_trashcan_threads.<locals>.Cc                    s   || d d <  j d  d S r   )initsr7   )r    alist)r   r   r   r!        z1GCTests.test_trashcan_threads.<locals>.C.__init__c                    s    j d   }t| d S r   )delsr7   next)r    r   r   r   r   r   rs     s   z0GCTests.test_trashcan_threads.<locals>.C.__del__N)r   r   r   r   r   r!   rs   r   r   r   r   r   |  s
    r   c                     s(    g } t D ]} | gg} q~ dS )zyCreate a sufficiently nested container object so that the
            trashcan mechanism is invoked when deallocating it.N)r   )r   r   )r   NESTINGr   r   make_nested  s   z2GCTests.test_trashcan_threads.<locals>.make_nestedc                      s    s	   rdS dS )z!Exercise make_nested() in a loop.Nr   r   )exitr   r   r   
run_thread  s   z1GCTests.test_trashcan_threads.<locals>.run_threadgh㈵>)targetc                      s
     dS r4   r7   r   )r   r   r   <lambda>  s   
 z/GCTests.test_trashcan_threads.<locals>.<lambda>      ?)rQ   rd   getswitchintervalsetswitchintervalr   	threadingThreadr7   r   Zstart_threadsr   r   r8   r9   r:   rk   r   r   )r    Z	N_THREADSr   Zold_switchintervalthreadsr   rB   r   )r   r   r   r   r   r   test_trashcan_threadsp  s*   
zGCTests.test_trashcan_threadsc                 C   b   G dd d}| }| }||_ ||_ t  ttj}~~| t d | ttj| d S )Nc                   @   r   )zGCTests.test_boom.<locals>.Boomc                 S      | ` tr   attrAttributeErrorr    Zsomeattributer   r   r   __getattr__     z+GCTests.test_boom.<locals>.Boom.__getattr__Nr   r   r   r   r   r   r   r   Boom  r   r      r   r8   r9   rk   r[   r:   )r    r   rI   rZ   
garbagelenr   r   r   	test_boom  s   
zGCTests.test_boomc                 C   r   )Nc                   @      e Zd Zdd Zdd ZdS )z!GCTests.test_boom2.<locals>.Boom2c                 S   
   d| _ d S Nr   r   r&   r   r   r   r!     r(   z*GCTests.test_boom2.<locals>.Boom2.__init__c                 S       |  j d7  _ | j dkr| `tr4   r   r   r   r   r   r   r   r        
z-GCTests.test_boom2.<locals>.Boom2.__getattr__Nr   r   r   r!   r   r   r   r   r   Boom2      r   r   r   )r    r   rI   rZ   r   r   r   r   
test_boom2  s   

zGCTests.test_boom2c                 C   d   G dd dt }| }| }||_||_t  ttj}~~| t d | ttj| d S )Nc                   @   r   )z'GCTests.test_boom_new.<locals>.Boom_Newc                 S   r   r   r   r   r   r   r   r     r   z3GCTests.test_boom_new.<locals>.Boom_New.__getattr__Nr   r   r   r   r   Boom_New  r   r   r   r   r   r8   r9   rk   r[   r:   )r    r   rI   rZ   r   r   r   r   test_boom_new  s   
zGCTests.test_boom_newc                 C   r   )Nc                   @   r   )z)GCTests.test_boom2_new.<locals>.Boom2_Newc                 S   r   r   r   r&   r   r   r   r!     r(   z2GCTests.test_boom2_new.<locals>.Boom2_New.__init__c                 S   r   r4   r   r   r   r   r   r     r   z5GCTests.test_boom2_new.<locals>.Boom2_New.__getattr__Nr   r   r   r   r   	Boom2_New  r   r   r   r   )r    r   rI   rZ   r   r   r   r   test_boom2_new  s   

zGCTests.test_boom2_newc                 C   s   g d}t |}|  | || t|}t |}|  | || ddd}g d}t |}|  | || t ddgddid	}|  | |d
d
gttd  | t dddg  d S )N)r5      r}   r      )r5   r}   )r5   r   r}   r   r5   rA   r   )r   r   r   r   r}   rI   y              @)r8   Zget_referentssortr:   tuplerQ   r   )r    r   ZgotZatupleZadictZexpectedr   r   r   test_get_referents  s"   



zGCTests.test_get_referentsc                 C   s  |  td  |  td |  td |  td |  td |  td |  td |  td |  ttd |  tt |  tt |  tt |  tt  G dd	 d	}G d
d dt}G dd d}G dd dt}G dd dt}| tt | t| | t|  | t|  | tg  | tt	  | t|  | t|  | t|  d S )Nr5   r   y      ?      @TF   arI   c                   @   rD   )z*GCTests.test_is_tracked.<locals>.UserClassNrE   r   r   r   r   	UserClass1  rG   r   c                   @   rD   )z(GCTests.test_is_tracked.<locals>.UserIntNrE   r   r   r   r   UserInt4  rG   r   c                   @      e Zd ZdZdS )z/GCTests.test_is_tracked.<locals>.UserClassSlotsr   Nr   r   r   	__slots__r   r   r   r   UserClassSlots8      r   c                   @   r   )z/GCTests.test_is_tracked.<locals>.UserFloatSlotsr   Nr   r   r   r   r   UserFloatSlots<  r   r   c                   @   r   )z-GCTests.test_is_tracked.<locals>.UserIntSlotsr   Nr   r   r   r   r   UserIntSlots@  r   r   )
assertFalser8   Z
is_tracked	bytearraytypeintr   float
assertTrueset)r    r   r   r   r   r   r   r   r   test_is_tracked  s6   zGCTests.test_is_trackedc                    sb   |  td g  G  fddd}| }|  t| ~t    }| t| d S )Nr   c                          e Zd Z fddZdS )z*GCTests.test_is_finalized.<locals>.Lazarusc                         |  d S r   r   r&   Zstorager   r   rs   S     z2GCTests.test_is_finalized.<locals>.Lazarus.__del__Nrt   r   r   r   r   LazarusR      r   )r   r8   Zis_finalizedr9   rl   r   )r    r   Zlazarusr   r   r   test_is_finalizedM  s   zGCTests.test_is_finalizedc                    s   g  fdddd t dD }fdd|D  d }t  | td d }t  | td D ]}| |d  q9d S )Nc                    s   dd  D d d < d S )Nc                 S   s   g | ]}| qS r   r   ).0r,   r   r   r   
<listcomp>d  s    z>GCTests.test_bug1055820b.<locals>.callback.<locals>.<listcomp>r   r%   )WRsouchr   r   callbackc     z*GCTests.test_bug1055820b.<locals>.callbackc                 S   s   g | ]}t |qS r   )r   r   r   r   r   r   r   f      z,GCTests.test_bug1055820b.<locals>.<listcomp>rA   c                    s   g | ]}t | qS r   )r*   r+   )r   r   )r   r   r   r   g      r   )r   r8   r9   r:   rk   )r    ZCsr   r   r   )r   r   r   r   test_bug1055820b_  s   zGCTests.test_bug1055820bc                    sD   t   G dd d G dd d fdd}|  t   d S )Nc                   @   rD   )z GCTests.test_bug21435.<locals>.ANrE   r   r   r   r   rF     rG   rF   c                   @   r   )z GCTests.test_bug21435.<locals>.Bc                 S   s
   || _ d S r   r   )r    r   r   r   r   r!     r(   z)GCTests.test_bug21435.<locals>.B.__init__c                 S   s
   d | _ d S r   r   r&   r   r   r   rs     r(   z(GCTests.test_bug21435.<locals>.B.__del__N)r   r   r   r!   rs   r   r   r   r   rP     r   rP   c                     s      }   }|| _ | |_ d S r   r   )rI   rZ   rF   rP   r   r   do_work  s   

z&GCTests.test_bug21435.<locals>.do_work)r8   r9   )r    r   r   r   r   test_bug21435w  s   
zGCTests.test_bug21435c                    s   dd l d} fdd}||d } d|  d| ||d } d	|  d
|v p4d|v | ||d } d| d S )Nr   a  if 1:
            import gc
            import _testcapi
            @_testcapi.with_tp_del
            class X:
                def __init__(self, name):
                    self.name = name
                def __repr__(self):
                    return "<X %%r>" %% self.name
                def __tp_del__(self):
                    pass

            x = X('first')
            x.x = x
            x.y = X('second')
            del x
            gc.set_debug(%s)
        c                    s\   j tjdd| gjjd}| \}}|j  |j   |j	d  |d |S )Nz-Wd-cstdoutstderrr       )
Popenrd   
executablePIPEcommunicater   closer   r:   
returncode)codepr   r   r    
subprocessr   r   run_command  s   

z5GCTests.test_garbage_at_shutdown.<locals>.run_command0s=   ResourceWarning: gc: 2 uncollectable objects at shutdown; uses   <X 'first'>zgc.DEBUG_UNCOLLECTABLEs8   ResourceWarning: gc: 2 uncollectable objects at shutdowns   [<X 'first'>, <X 'second'>]s   [<X 'second'>, <X 'first'>]zgc.DEBUG_SAVEALLs!   uncollectable objects at shutdown)r  ZassertInZassertNotInr   )r    r   r  r   r   r  r   test_garbage_at_shutdown  s$   z GCTests.test_garbage_at_shutdownc                 C   s(   d}t d|\}}}| | d d S )Nzif 1:
            class C:
                def __del__(self):
                    print('__del__ called')
            l = [C()]
            l.append(l)
            r      __del__ called)r	   r:   strip)r    r   rcouterrr   r   r   test_gc_main_module_at_shutdown  s   z'GCTests.test_gc_main_module_at_shutdownc                 C   sf   t  &}d}d|f }t|d| td|\}}}| | d W d    d S 1 s,w   Y  d S )Nzif 1:
                class C:
                    def __del__(self):
                        print('__del__ called')
                l = [C()]
                l.append(l)
                zvif 1:
                import sys
                sys.path.insert(0, %r)
                import gctest
                Zgctestr   r  )r   r
   r	   r:   r  )r    Z
script_dirmoduler   r	  r
  r  r   r   r   #test_gc_ordinary_module_at_shutdown  s   "z+GCTests.test_gc_ordinary_module_at_shutdownc                 C   sj   d}|  tt ttddd}|| W d    n1 sw   Y  tt\}}}| | d d S )Nzif 1:
            class ClassWithDel:
                def __del__(self):
                    print('__del__ called')
            a = ClassWithDel()
            a.link = a
            raise SystemExit(0)wzutf-8)encodingr  )
addCleanupr   r   openwriter	   r:   r  )r    r   Zscriptr	  r
  r  r   r   r   test_global_del_SystemExit  s   z"GCTests.test_global_del_SystemExitc                 C   sr  t  }| t|d |D ]*}| |t | t|h d | |d d | |d d | |d d qt  rG| 	t j
 t   t  }t d t  }| |d d |d d d  | |d d |d d  | |d d |d d  t d t  }| |d d |d d d  | |d d |d d  | |d d |d d d  d S )	Nr   >   uncollectablecollections	collectedr  r   r  r  r5   rA   )r8   	get_statsr:   rk   assertIsInstancedictr   ZassertGreaterEqual	isenabledr  rv   rx   r9   )r    Zstatsstoldnewr   r   r   test_get_stats  s0   

 
 $zGCTests.test_get_statsc                 C   s4   t   | t  d t   | t  d d S r   )r8   Zfreezer   Zget_freeze_countZunfreezer:   r&   r   r   r   test_freeze  s   zGCTests.test_freezec                    s  t   g     | t fddt jddD  | t fddt jddD  | t fddt jddD  t jdd | t fd	dt jddD  | t fd
dt jddD  | t fddt jddD  t jdd | t fddt jddD  | t fddt jddD  | t fddt jddD  t jdd | t fddt jddD  | t fddt jddD  | t fddt jddD   t   d S )Nc                 3       | ]} |u V  qd S r   r   r   elementr;   r   r   	<genexpr>      z+GCTests.test_get_objects.<locals>.<genexpr>r   
generationc                 3   r!  r   r   r"  r$  r   r   r%    r&  r5   c                 3   r!  r   r   r"  r$  r   r   r%  !  r&  rA   c                 3   r!  r   r   r"  r$  r   r   r%  %  r&  c                 3   r!  r   r   r"  r$  r   r   r%  (  r&  c                 3   r!  r   r   r"  r$  r   r   r%  +  r&  c                 3   r!  r   r   r"  r$  r   r   r%  /  r&  c                 3   r!  r   r   r"  r$  r   r   r%  2  r&  c                 3   r!  r   r   r"  r$  r   r   r%  5  r&  c                 3   r!  r   r   r"  r$  r   r   r%  9  r&  c                 3   r!  r   r   r"  r$  r   r   r%  <  r&  c                 3   r!  r   r   r"  r$  r   r   r%  ?  r&  )r8   r9   r7   r   anyget_objectsr   r&   r   r$  r   test_get_objects  sX   
zGCTests.test_get_objectsc                 C   sl   t   | tt  tt jd d | tt jd | tt jd | tt jd | tt jd d S )Nr'  i  i1gX9v?)r8   r9   r:   rk   r*  ZassertRaises
ValueErrorr   r&   r   r   r   test_get_objects_argumentsD  s   z"GCTests.test_get_objects_argumentsc                    s   G dd d}G  fddd| t   t     }|  jd ~t   |  jd | t jd  j  |  jd t   |  jd t   d S )Nc                   @   r   )zAGCTests.test_resurrection_only_happens_once_per_object.<locals>.Ac                 S   
   | | _ d S r   mer&   r   r   r   r!   P  r(   zJGCTests.test_resurrection_only_happens_once_per_object.<locals>.A.__init__Nr"   r   r   r   r   rF   O  r   rF   c                       s    e Zd ZdZg Z fddZdS )zGGCTests.test_resurrection_only_happens_once_per_object.<locals>.Lazarusr   c                    s     j d7  _  j|  d S r4   )resurrectedresurrected_instancesr7   r&   r   r   r   rs   W  s   zOGCTests.test_resurrection_only_happens_once_per_object.<locals>.Lazarus.__del__N)r   r   r   r2  r3  rs   r   r4  r   r   r   S  s    r   r   r5   )	r8   r9   rx   r:   r2  rk   r3  clearrv   )r    rF   lazr   r4  r   .test_resurrection_only_happens_once_per_objectN  s   
z6GCTests.test_resurrection_only_happens_once_per_objectc                    s   G dd d}G  fddd t   t     }| }t|}||_||_~~t   | t jd  j	 }| 
t|d | t|j| t   t   d S )Nc                   @   r   )z6GCTests.test_resurrection_is_transitive.<locals>.Cargoc                 S   r/  r   r0  r&   r   r   r   r!   t  r(   z?GCTests.test_resurrection_is_transitive.<locals>.Cargo.__init__Nr"   r   r   r   r   Cargos  r   r8  c                       s   e Zd Zg Z fddZdS )z8GCTests.test_resurrection_is_transitive.<locals>.Lazarusc                    s    j |  d S r   )r3  r7   r&   r4  r   r   rs   z  s   z@GCTests.test_resurrection_is_transitive.<locals>.Lazarus.__del__N)r   r   r   r3  rs   r   r4  r   r   r   w  s    r   r5   cargo)r8   r9   rx   rY   r9  r6  r:   rk   r3  rl   r   hasattrrv   )r    r8  r6  r9  Zcargo_idinstancer   r4  r   test_resurrection_is_transitiver  s"   
z'GCTests.test_resurrection_is_transitivec                    s  d}G dd d}G  fddd|}g  dd }t   t   | \}}t|D ]}|  q*t  }| \}	}
| |d|  | |	| d|  | |
| d	 |	|
}}|  t  }| \}	}
| |d	 | |	| d	 | |
| d	 |	|
}}t|D ]}|  q|  t  }| \}	}
| |d|  | |	| d|  | |
| d	 |	|
}}   t  }| \}	}
| |d
 | |	| d
 | |
| d	 t   d S )Nd   c                   @   r   )zLGCTests.test_resurrection_does_not_block_cleanup_of_other_objects.<locals>.Ac                 S   r/  r   r0  r&   r   r   r   r!     r(   zUGCTests.test_resurrection_does_not_block_cleanup_of_other_objects.<locals>.A.__init__Nr"   r   r   r   r   rF     r   rF   c                       r   )zLGCTests.test_resurrection_does_not_block_cleanup_of_other_objects.<locals>.Zc                    r   r   r   r&   Zzsr   r   rs     r   zTGCTests.test_resurrection_does_not_block_cleanup_of_other_objects.<locals>.Z.__del__Nrt   r   r>  r   r   Z  r   r?  c                  S   s   t  d } | d | d fS )Nr  r  )r8   r  )r?   r   r   r   getstats  r   zSGCTests.test_resurrection_does_not_block_cleanup_of_other_objects.<locals>.getstatsrA   r   r   )r8   r9   rx   r   r:   r5  rv   )r    r   rF   r?  rA  ZoldcZoldncr   rB   r   Zncr   r>  r   9test_resurrection_does_not_block_cleanup_of_other_objects  sN   







zAGCTests.test_resurrection_does_not_block_cleanup_of_other_objectsNz%requires ContainerNoGC extension typec                 C   s   t j }G dd d}G dd d}| }||_t| |_t|jj||_	|j	g}|
| t  t  ~~t  |  t  d S )Nc                   @   s   e Zd Zg dZdS )z+GCTests.test_trash_weakref_clear.<locals>.A)rI   ywzNr   r   r   r   r   rF     r   rF   c                   @   rD   )z+GCTests.test_trash_weakref_clear.<locals>.ZNrE   r   r   r   r   r?    rG   r?  )unittestZmockZMockrI   r   rC  r*   r+   valuerD  r7   r8   r9   rx   Zassert_not_calledrv   )r    r   rF   r?  rI   Zwr_cycler   r   r   test_trash_weakref_clear  s   
 
z GCTests.test_trash_weakref_clear)0r   r   r   r<   r@   rC   rL   rM   rO   rR   rT   r   r`   ra   rc   r   rh   ro   rz   r{   r   r   r   r   r   r   r   r   r   r   r   r   r   r  r  r  r  r  r   r+  r.  r7  r<  rB  rE  skipIfr   rG  r   r   r   r   r3   V   sd    
	


	


#:/ 
0.
$"
Cr3   c                   @   sd   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	e
dd Zeeddd ZdS )GCCallbackTestsc                 C   sL   t  | _t   t  | _t d t j| j	 t j| j
 g | _d S r   )r8   r  enabledrx   ri   rn   rj   	callbacksr7   cb1cb2othergarbager&   r   r   r   setUp  s   



zGCCallbackTests.setUpc                 C   sz   | ` tj| j tj| j t| j | jrt	  t
  tjD ]
}t|tr.d |_q$tjd d = | `t
  d S r   )visitr8   rK  r]   rL  rM  rj   rn   rJ  rv   r9   r[   
isinstancer-   r.   rN  )r    r_   r   r   r   tearDown  s   

zGCCallbackTests.tearDownc                 C   sB   g | _ t  tjd d  g }tjd d < | j| g | _ d S r   )rP  r8   r9   r[   rN  r7   )r    r[   r   r   r   preclean/  s
   
zGCCallbackTests.precleanc                 C   s   | j d|t|f d S r4   )rP  r7   r  )r    phaseinfor   r   r   rL  9  r   zGCCallbackTests.cb1c                 C   sn   | j d|t|f |dkr1t| dr3dd tjD }dd tjD tjd d < |D ]	}d |_q+d S d S d S )NrA   stopcleanupc                 S   s   g | ]	}t |tr|qS r   rQ  r-   r   r   r   r   r   r   @  s    z'GCCallbackTests.cb2.<locals>.<listcomp>c                 S   s   g | ]	}t |ts|qS r   rX  rY  r   r   r   r   A  s    
)rP  r7   r  r:  r8   r[   r.   )r    rT  rU  Zucr   r   r   r   rM  <  s   zGCCallbackTests.cb2c                 C   s   |    t  dd | jD }dd |D }dd |D }| |dgd  | |dgd  dd | jD }dd |D }d	d |D }| |d
gd  | |dgd  | jD ]}|d }| d|v  | d|v  | d|v  q[d S )Nc                 S      g | ]}|d  qS )r   r   r   r   r   r   r   r   M  r   z0GCCallbackTests.test_collect.<locals>.<listcomp>c                 S      g | ]}|d kr|qS r5   r   r   r   r   r   r   N  r   c                 S   r\  )rA   r   r   r   r   r   r   O  r   r5   rA   c                 S   rZ  r]  r   r[  r   r   r   r   T  r   c                 S   r\  )startr   r   r   r   r   r   U  r   c                 S   r\  )rV  r   r   r   r   r   r   V  r   r^  rV  r(  r  r  )rS  r8   r9   rP  r:   r   )r    r   Zn1Zn2r   rU  r   r   r   test_collectF  s$   
zGCCallbackTests.test_collectc                 C   s:   |    td | jD ]}|d }| |d d qd S )NrA   r(  )rS  r8   r9   rP  r:   )r    r   rU  r   r   r   test_collect_generationa  s   

z'GCCallbackTests.test_collect_generationc                 C   s
  |    t  t  td t  | jD ]}|d dkrq|d }| |d d | |d d q| ttjd tjD ]}| 	|t q?d	| _
g | _g tjd d < t  | jD ]}|d dkreq\|d }| |d d
 | |d d q\| ttjd
 d S )Nr)   r5   rV  rA   r  r     r   Tr   )rS  r-   r   r8   r9   rP  r:   rk   r[   r  rW  )r    r   rU  r   r   r   r   test_collect_garbageh  s2   


z$GCCallbackTests.test_collect_garbagezbuilt with -NDEBUGc                 C   s   |    td dd l}td}|jtjd|g|j|jd}|	 \}}|j
  |j  | |d | |d d}| |d	|  | |d
 | |d|  | |d | |d d S )NZctypesr   a  
            from test.support import gc_collect, SuppressCrashReport

            a = [1, 2, 3]
            b = [a]

            # Avoid coredump when Py_FatalError() calls abort()
            SuppressCrashReport().__enter__()

            # Simulate the refcount of "a" being too low (compared to the
            # references held on it by live data), but keeping it above zero
            # (to avoid deallocating it):
            import ctypes
            ctypes.pythonapi.Py_DecRef(ctypes.py_object(a))

            # The garbage collector should now have a fatal error
            # when it reaches the broken object
            gc_collect()
        r   r   sG   gcmodule\.c:[0-9]+: gc_decref: Assertion "gc_get_refs\(g\) > 0" failed.s   refcount is too smalls   [0-9a-fA-Fx]+s   object address  : s   object refcount : 1s   object type     : s   object type name: lists   object repr     : \[1, 2, 3\])rS  r   r  textwrapdedentr   rd   r   r   r   r   r   r   ZassertRegex)r    r  r   r  r   r   Zaddress_regexr   r   r   test_refcount_errors  sB   


z$GCCallbackTests.test_refcount_errorsN)r   r   r   rO  rR  rS  rL  rM  r_  r`  r   rb  rE  rH  BUILD_WITH_NDEBUGre  r   r   r   r   rI    s    



$rI  c                   @   s,   e Zd Zdd Zdd Zdd Zdd Zd	S )
GCTogglingTestsc                 C      t   d S r   )r8   rv   r&   r   r   r   rO    rS   zGCTogglingTests.setUpc                 C   rh  r   )r8   rx   r&   r   r   r   rR    rS   zGCTogglingTests.tearDownc           
         s   t d}t  t d}||_|`t d}t| g  fdd}t||}d  } }}g }d}t }|jsV|d7 }|dkrF| 	d | 
td |g  |jr9| 
td D ]}	| 
|	d  q`d S )Nr   r5   rA   c                         gd d < d S r   r   r%   Zc2wrr   r   r   r        z2GCTogglingTests.test_bug1055820c.<locals>.callback'  'gc didn't happen after 10000 iterations)r   r8   r9   Zkeep_c0_aliver   r*   r+   r#   r$   r\   r:   rk   r7   )
r    Zc0c1c2r   Zc0wrjunkr   detectorr   r   rj  r   test_bug1055820c  s2   
 

z GCTogglingTests.test_bug1055820cc           	         s   g G  fdddt }|d}t  t d}||_|`t d}t| d  } }}t }g }d}|jsT|d7 }|dkrD| 	d | 
td |g  |jr7| 
td D ]}| 
|d  q^d S )Nc                       s   e Zd Z fddZdS )z+GCTogglingTests.test_bug1055820d.<locals>.Dc                    ri  r   r   r&   rj  r   r   rs     rk  z3GCTogglingTests.test_bug1055820d.<locals>.D.__del__Nrt   r   rj  r   r   D  s    rs  r   r5   rA   rl  rm  )r   r8   r9   Zkeep_d0_aliver   r*   r+   r#   r$   r\   r:   rk   r7   )	r    rs  Zd0rn  ro  rq  rp  r   r   r   rj  r   test_bug1055820d  s0   


z GCTogglingTests.test_bug1055820dN)r   r   r   rO  rR  rr  rt  r   r   r   r   rg    s
    Frg  c                   @   r   )PythonFinalizationTestsc                 C   s   t d}td| d S )Na   
            import ast
            import codecs

            # Small AST tree to keep their AST types alive
            tree = ast.parse("def f(x, y): return 2*x-y")
            x = [tree]
            x.append(x)

            # Put the cycle somewhere to survive until the last GC collection.
            # Codec search functions are only cleared at the end of
            # interpreter_clear().
            def search_func(encoding):
                return None
            search_func.a = x
            codecs.register(search_func)
        r   )rc  rd  r	   )r    r   r   r   r   test_ast_finiV  s   
z%PythonFinalizationTests.test_ast_finiN)r   r   r   rv  r   r   r   r   ru  U  r   ru  c                   C   s6   t  at   t  at tt j @  t   d S r   )	r8   r  rJ  rx   ri   rn   rj   Z
DEBUG_LEAKr9   r   r   r   r   setUpModulep  s
   rw  c                   C   s2   t t trtd t   tst   d S d S )Nzrestoring automatic collection)r8   rj   rn   r   printrv   rJ  rx   r   r   r   r   tearDownModulez  s   
ry  __main__),rE  Zunittest.mockZtest.supportr   r   r   Ztest.support.import_helperr   Ztest.support.os_helperr   r   r   Ztest.support.script_helperr	   r
   r   r8   rd   Z	sysconfigrc  r   r   r*   Z	_testcapir   ImportErrorr   r   r   r#   r-   Zget_config_varsgetrf  r:  ZTestCaser3   rI  rg  ru  rw  ry  r   mainr   r   r   r   <module>   sb           D 2 
