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✏️ test_gc.cpython-38.opt-1.pyc
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U i�f� � @ sh d dl Z d dlmZmZmZmZmZmZmZm Z m Z m Z m Z d dl mZmZ d dlZd dlZd dlZd dlZd dlZd dlZd dlZzd dlmZ W n ek r� dd� ZY nX G dd� de�ZG d d � d e�Z eG d d � d e��Z e� � � d d��r de� � d kZ n e!ed� Z G dd� de j"�Z#G dd� de j"�Z$G dd� de j"�Z%dd� Z&e'dk�rde&� dS )� N) �verbose� refcount_test� run_unittest�strip_python_stderr� cpython_only� start_threads�temp_dir�requires_type_collecting�TESTFN�unlink� import_module)�assert_python_ok� make_script)� with_tp_delc C s G dd� dt �}|S )Nc @ s e Zd Zdd� ZdS )zwith_tp_del.<locals>.Cc _ s t d��d S )Nz requires _testcapi.with_tp_del)� TypeError)�cls�args�kwargs� r �1/opt/alt/python38/lib64/python3.8/test/test_gc.py�__new__ s z with_tp_del.<locals>.C.__new__N)�__name__� __module__� __qualname__r r r r r �C s r )�object)r r r r r r s r c @ s e Zd Zdd� ZdS )�C1055820c C s || _ | | _d S �N)�i�loop)�selfr r r r �__init__" s zC1055820.__init__N�r r r r! r r r r r ! s r c @ s e Zd Zdd� ZdS )� GC_Detectorc s( d� _ � fdd�}t�td�|�� _d S )NFc s d� _ d S )NT)� gc_happened�Zignored�r r r � it_happened- s z)GC_Detector.__init__.<locals>.it_happened� )r$ �weakref�refr �wr)r r' r r& r r! * s zGC_Detector.__init__Nr" r r r r r# & s r# c @ s" e Zd ZdZddd�Zdd� ZdS )� 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 krt | d�| _n|| _d S )N)�partner)r, r- )r r- r r r r! < s zUncollectable.__init__c C s d S r r r& r r r � __tp_del__A s zUncollectable.__tp_del__)N)r r r �__doc__r! r. r r r r r, 4 s r, Z PY_CFLAGS� z-DNDEBUGZgettotalrefcountc @ sT e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Ze d d� �Z dd� Z e dd� �Z e dd� �Zdd� Zedd� �Zdd� Zdd � Zd d � Zed d � �Zed!d"� �Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Z d/d0� Z d1d2� Z d3d4� Z d5d6� Z e d7d8� �Z!e d9d:� �Z"e d;d<� �Z#e d=d>� �Z$d?d@� Z%dAdB� Z&dCdD� Z'dEdF� Z(dGdH� Z)dIS )J�GCTestsc C s, g }|� |� t�� ~| �t�� d� d S �N� ��append�gc�collect� assertEqual)r �lr r r � test_listP s zGCTests.test_listc C s* i }||d< t �� ~| �t �� d� d S r2 �r6 r7 r8 �r �dr r r � test_dictW s zGCTests.test_dictc C s4 g }|f}|� |� t�� ~~| �t�� d� d S )N� r4 )r r9 �tr r r � test_tuple^ s zGCTests.test_tuplec C s2 G dd� d�}||_ t�� ~| �t�� d� d S )Nc @ s e Zd ZdS )z GCTests.test_class.<locals>.AN�r r r r r r r �Ai s rC r ��ar6 r7 �assertNotEqual�r rC r r r � test_classh s zGCTests.test_classc C s. G dd� dt �}t�� ~| �t�� d� d S )Nc @ s e Zd ZdS )z%GCTests.test_newstyleclass.<locals>.ANrB r r r r rC q s rC r )r r6 r7 rF rG r r r �test_newstyleclassp s zGCTests.test_newstyleclassc C s8 G dd� d�}|� }||_ t�� ~| �t�� d� d S )Nc @ s e Zd ZdS )z GCTests.test_instance.<locals>.ANrB r r r r rC x s rC r rD �r rC rE r r r � test_instancew s zGCTests.test_instancec C s� G dd� dt �}|� }||_t�� ~| �t�� d� G dd� dt�}G dd� d||�}|� }||_t�� ~| �t�� d� ~~| �t�� d� |� |_~| �t�� d� | �t�� d� d S )Nc @ s e Zd ZdS )z#GCTests.test_newinstance.<locals>.ANrB r r r r rC � s rC r c @ s e Zd ZdS )z#GCTests.test_newinstance.<locals>.BNrB r r r r �B� s rL c @ s e Zd ZdS )z#GCTests.test_newinstance.<locals>.CNrB r r r r r � s r )r rE r6 r7 rF �listr8 )r rC rE rL r r r r �test_newinstance� s& zGCTests.test_newinstancec C s2 G dd� d�}|� }t �� ~| �t �� d� d S )Nc @ s e Zd Zdd� ZdS )z GCTests.test_method.<locals>.Ac S s | j | _d S r )r! Zinitr& r r r r! � s z'GCTests.test_method.<locals>.A.__init__Nr" r r r r rC � s rC r )r6 r7 rF rJ r r r � test_method� s zGCTests.test_methodc C s� t G dd� d��}G dd� d�}|� }||_t|�}|� }||_t�� ~~| �t�� d� tjD ]}t|�|krb|` q�qb| �d� tj� |� d S )Nc @ s e Zd Zdd� ZdS )z(GCTests.test_legacy_finalizer.<locals>.Ac S s d S r r r& r r r r. � � z3GCTests.test_legacy_finalizer.<locals>.A.__tp_del__N�r r r r. r r r r rC � s rC c @ s e Zd ZdS )z(GCTests.test_legacy_finalizer.<locals>.BNrB r r r r rL � s rL r �&didn't find obj in garbage (finalizer)) r rE �id�br6 r7 rF �garbage�fail�remove�r rC rL rE Zid_arT �objr r r �test_legacy_finalizer� s$ z GCTests.test_legacy_finalizerc C s� t G dd� dt��}G dd� dt�}|� }||_t|�}|� }||_t�� ~~| �t�� d� tjD ]}t|�|krf|` q�qf| � d� tj� |� d S )Nc @ s e Zd Zdd� ZdS )z1GCTests.test_legacy_finalizer_newclass.<locals>.Ac S s d S r r r& r r r r. � rP z<GCTests.test_legacy_finalizer_newclass.<locals>.A.__tp_del__NrQ r r r r rC � s rC c @ s e Zd ZdS )z1GCTests.test_legacy_finalizer_newclass.<locals>.BNrB r r r r rL � s rL r rR ) r r rE rS rT r6 r7 rF rU rV rW rX r r r � test_legacy_finalizer_newclass� s$ z&GCTests.test_legacy_finalizer_newclassc C s, i }t d|� t�� ~| �t�� d� d S )Nzdef f(): pass r? )�execr6 r7 r8 r< r r r � test_function� s zGCTests.test_functionc C s* dd� }t �� |� | �t �� d� d S )Nc S s t �� } d S r )�sys� _getframe)�framer r r �f� s z GCTests.test_frame.<locals>.fr3 r; )r ra r r r � test_frame� s zGCTests.test_framec C s� t �� | �t jg � g }|�|� t|�}t �� }t �|t jB � ~t �� t �|� | �t t j�d� t j� � }| �t|�|� d S r2 ) r6 r7 r8 rU r5 rS � get_debug� set_debugZ DEBUG_SAVEALL�len�pop)r �LZid_L�debugrY r r r � test_saveall� s zGCTests.test_saveallc C sF t �� }t �� t �d� G dd� d�}|� }~t �� t j|� d S )Nr3 c @ s e Zd Zdd� ZdS )zGCTests.test_del.<locals>.Ac S s t | � d S r ��dirr& r r r �__del__ s z#GCTests.test_del.<locals>.A.__del__N�r r r rl r r r r rC s rC )r6 � get_threshold�enable� set_threshold�disable�r Z thresholdsrC rE r r r �test_del s zGCTests.test_delc C sH t �� }t �� t �d� G dd� dt�}|� }~t �� t j|� d S )Nr3 c @ s e Zd Zdd� ZdS )z$GCTests.test_del_newclass.<locals>.Ac S s t | � d S r rj r& r r r rl s z,GCTests.test_del_newclass.<locals>.A.__del__Nrm r r r r rC s rC )r6 rn ro rp r rq rr r r r �test_del_newclass s zGCTests.test_del_newclassc C sd t �� t �� \}}}g }t �� \}}}| �||fd� | �||fd� | �|d� | �||� d S )N�r r � )r6 r7 � get_countr8 Z assertLess� assertGreater)r rE rT �c�xr= �era r r r �test_get_count$ s zGCTests.test_get_countc C s� t �� g }t �d� t �� \}}}t �d� t �� \}}}t �d� t �� \}} } | �||fd� | �||fd� | �| | fd� d S )Nr r3 r? )r3 r )r r3 ru )r6 r7 rw r8 ) r rz rE rT ry r= r{ ra �g�hr r r r �test_collect_generations2 s z GCTests.test_collect_generationsc s� G � fdd�d�� t �� d}td�D ]Z}g }t|�D ]}|� � g}q6g }t|�D ]}|� � g}qRi }t|�D ]}|� � d�}qnq&t �� d S )Nc s e Zd ZdZ� fdd�ZdS )z#GCTests.test_trashcan.<locals>.Ouchr c s& � j d � _ � j d dkr"t�� d S )Nr3 � r )�nr6 r7 r& ��Ouchr r rl J s z+GCTests.test_trashcan.<locals>.Ouch.__del__N)r r r r� rl r r� r r r� H s r� � r? )r3 r? )r6 ro �rangerq )r �N�countr@ r �u�vr r� r � test_trashcanG s zGCTests.test_trashcanc s� d�d}dd� �G � �fdd�dt �� � �fdd����fd d �}t�� }t�d � zXg �g }t|�D ]}tj|d �}|�|� qft|�fd d��� t � d� W 5 Q R X W 5 t�|� X t � � | � t� j�t� j�� d S )N�< r? c s s z dV W 5 t �d� X dS )z<A generator that releases the GIL when closed or dealloc'ed.g���ư>N)�time�sleepr r r r � sleeper_geno s z2GCTests.test_trashcan_threads.<locals>.sleeper_genc s. e Zd Zg Zg Z� fdd�Z� �fdd�ZdS )z(GCTests.test_trashcan_threads.<locals>.Cc s || d d �< � j �d � d S r )�initsr5 )r �alist)r r r r! z s z1GCTests.test_trashcan_threads.<locals>.C.__init__c s � j �d � �� }t|� d S r )�delsr5 �next)r r} �r r� r r rl } s z0GCTests.test_trashcan_threads.<locals>.C.__del__N)r r r r� r� r! rl r r� r r r v s r c s( � g �} t ��D ]}� | g�g} q~ dS )zyCreate a sufficiently nested container object so that the trashcan mechanism is invoked when deallocating it.N)r� )rz r )r �NESTINGr r � make_nested� s z2GCTests.test_trashcan_threads.<locals>.make_nestedc s � s �� q dS )z!Exercise make_nested() in a loop.Nr r )�exitr� r r � run_thread� s z1GCTests.test_trashcan_threads.<locals>.run_threadg�h㈵��>)�targetc s � � d�S r2 �r5 r )r� r r �<lambda>� rP z/GCTests.test_trashcan_threads.<locals>.<lambda>� �?)rM r^ �getswitchinterval�setswitchintervalr� � threadingZThreadr5 r r� r� r6 r7 r8 re r� r� )r Z N_THREADSr� Zold_switchintervalZthreadsr r@ r )r r� r� r� r� r �test_trashcan_threadsj s& z GCTests.test_trashcan_threadsc C sb G dd� d�}|� }|� }||_ ||_ t�� ttj�}~~| �t�� d� | �ttj�|� d S )Nc @ s e Zd Zdd� ZdS )z GCTests.test_boom.<locals>.Boomc S s | ` t�d S r ��attr�AttributeError�r Z someattributer r r � __getattr__� s z+GCTests.test_boom.<locals>.Boom.__getattr__N�r r r r� r r r r �Boom� s r� � �r� r6 r7 re rU r8 )r r� rE rT � garbagelenr r r � test_boom� s zGCTests.test_boomc C sb G dd� d�}|� }|� }||_ ||_ t�� ttj�}~~| �t�� d� | �ttj�|� d S )Nc @ s e Zd Zdd� Zdd� ZdS )z!GCTests.test_boom2.<locals>.Boom2c S s d| _ d S �Nr �rz r& r r r r! � s z*GCTests.test_boom2.<locals>.Boom2.__init__c S s$ | j d7 _ | j dkr | `t�d S r2 �rz r� r� r� r r r r� � s z-GCTests.test_boom2.<locals>.Boom2.__getattr__N�r r r r! r� r r r r �Boom2� s r� r� r� )r r� rE rT r� r r r � test_boom2� s zGCTests.test_boom2c C sd G dd� dt �}|� }|� }||_||_t�� ttj�}~~| �t�� d� | �ttj�|� d S )Nc @ s e Zd Zdd� ZdS )z'GCTests.test_boom_new.<locals>.Boom_Newc S s | ` t�d S r r� r� r r r r� � s z3GCTests.test_boom_new.<locals>.Boom_New.__getattr__Nr� r r r r �Boom_New� s r� r� �r r� r6 r7 re rU r8 )r r� rE rT r� r r r � test_boom_new� s zGCTests.test_boom_newc C sd G dd� dt �}|� }|� }||_||_t�� ttj�}~~| �t�� d� | �ttj�|� d S )Nc @ s e Zd Zdd� Zdd� ZdS )z)GCTests.test_boom2_new.<locals>.Boom2_Newc S s d| _ d S r� r� r& r r r r! � s z2GCTests.test_boom2_new.<locals>.Boom2_New.__init__c S s$ | j d7 _ | j dkr | `t�d S r2 r� r� r r r r� � s z5GCTests.test_boom2_new.<locals>.Boom2_New.__getattr__Nr� r r r r � Boom2_New� s r� r� r� )r r� rE rT r� r r r �test_boom2_new� s zGCTests.test_boom2_newc C s� dddg}t �|�}|�� | �||� t|�}t �|�}|�� | �||� ddd�}ddddg}t �|�}|�� | �||� t �ddgddid�}|�� | �|d d gttd�� � | �t �dd d �g � d S ) Nr3 � rv � )r3 rv r? r� )r r r r rE y @)r6 Z get_referents�sortr8 �tuplerM r� )r r� ZgotZatupleZadictZexpectedr r r �test_get_referents s" zGCTests.test_get_referentsc C s� | � t�d �� | � t�d�� | � t�d�� | � t�d�� | � t�d�� | � t�d�� | � t�d�� | � t�d�� | � t�td��� | � t�t�� | � t�t�� | � t�t�� | � t�t� �� G dd � d �}G d d � d t�}G d d � d �}G dd� dt�}G dd� dt�}| �t�t�� | �t�|�� | �t�|� �� | �t�|� �� | �t�g �� | �t�t � �� | �t�|� �� | �t�|� �� | �t�|� �� d S )Nr3 r� y �? @TF� arE c @ s e Zd ZdS )z*GCTests.test_is_tracked.<locals>.UserClassNrB r r r r � UserClass+ s r� c @ s e Zd ZdS )z(GCTests.test_is_tracked.<locals>.UserIntNrB r r r r �UserInt. s r� c @ s e Zd ZdZdS )z/GCTests.test_is_tracked.<locals>.UserClassSlotsr N�r r r � __slots__r r r r �UserClassSlots2 s r� c @ s e Zd ZdZdS )z/GCTests.test_is_tracked.<locals>.UserFloatSlotsr Nr� r r r r �UserFloatSlots6 s r� c @ s e Zd ZdZdS )z-GCTests.test_is_tracked.<locals>.UserIntSlotsr Nr� r r r r � UserIntSlots: s r� ) � assertFalser6 Z is_tracked� bytearray�type�intr �float� assertTrue�set)r r� r� r� r� r� r r r �test_is_tracked s6 zGCTests.test_is_trackedc s� g �� �fdd��dd� t d�D �}�fdd�|D �� d }t�� | �t��d� d }t�� | �t��d� �D ]}| �|d � qrd S )Nc s dd� � D ��d d �< d S )Nc S s g | ] }|� �qS r r )�.0r+ r r r � <listcomp>L s z>GCTests.test_bug1055820b.<locals>.callback.<locals>.<listcomp>r r% )�WRs�ouchr r �callbackK s z*GCTests.test_bug1055820b.<locals>.callbackc S s g | ] }t |��qS r )r �r� r r r r r� N s z,GCTests.test_bug1055820b.<locals>.<listcomp>r? c s g | ]}t �|� ��qS r )r) r* )r� ry )r� r r r� O s r )r� r6 r7 r8 re )r ZCsry rz r )r� r� r� r �test_bug1055820bG s zGCTests.test_bug1055820bc sD t �� G dd� d�� G dd� d��� �fdd�}|� t �� d S )Nc @ s e Zd ZdS )z GCTests.test_bug21435.<locals>.ANrB r r r r rC k s rC c @ s e Zd Zdd� Zdd� ZdS )z GCTests.test_bug21435.<locals>.Bc S s || _ d S r r� )r rz r r r r! o s z)GCTests.test_bug21435.<locals>.B.__init__c S s d | _ d S r �r� r& r r r rl r s z(GCTests.test_bug21435.<locals>.B.__del__N)r r r r! rl r r r r rL n s rL c s � � } �� � �}|| _ | |_ d S r r� )rE rT �rC rL r r �do_worku s z&GCTests.test_bug21435.<locals>.do_work)r6 r7 )r r� r r� r � test_bug21435_ s zGCTests.test_bug21435c s� dd l �d}� �fdd�}||d �}� �d|� � �d|� ||d �}� �d |� � �d |kphd |k|� ||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 sd �j tjdd| g�j�jd�}|�� \}}|j�� |j�� � �|j d� � �|� � d� t |�S )Nz-Wd�-c��stdout�stderrr rP ) �Popenr^ � executable�PIPE� communicater� �closer� r8 � returncode�stripr )�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'>zgc.DEBUG_UNCOLLECTABLEs8 ResourceWarning: gc: 2 uncollectable objects at shutdowns [<X 'first'>, <X 'second'>]s [<X 'second'>, <X 'first'>]zgc.DEBUG_SAVEALLs! uncollectable objects at shutdown)r� ZassertInZ 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 )Nz�if 1: class C: def __del__(self): print('__del__ called') l = [C()] l.append(l) r� � __del__ called)r r8 r� )r r� �rc�out�errr r r � test_gc_main_module_at_shutdown� s z'GCTests.test_gc_main_module_at_shutdownc C sP t � �@}d}d|f }t|d|� td|�\}}}| �|�� d� W 5 Q R X d S )Nz�if 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 Zgctestr� r� )r r r r8 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 sR d}| � tt� ttd��}|�|� W 5 Q R X tt�\}}}| �|�� d� d S )Nz�if 1: class ClassWithDel: def __del__(self): print('__del__ called') a = ClassWithDel() a.link = a raise SystemExit(0)�wr� )� addCleanupr r �open�writer r8 r� )r r� Zscriptr� r� r� r r r �test_global_del_SystemExit� s z"GCTests.test_global_del_SystemExitc C st t �� }| �t|�d� |D ]V}| �|t� | �t|�dddh� | �|d d� | �|d d� | �|d d� q t �� r�| � 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� � collected� collections� uncollectabler r3 r? ) r6 � get_statsr8 re �assertIsInstance�dictr� ZassertGreaterEqual� isenabledr� ro rq r7 )r Zstats�st�old�newr r r �test_get_stats� s0 � zGCTests.test_get_statsc C s4 t �� | �t �� d� t �� | �t �� d� d S r� )r6 Zfreezerx Zget_freeze_countZunfreezer8 r& r r r � test_freeze� s zGCTests.test_freezec s� t �� g � � �� � | �t� fdd�t jdd�D ��� | �t� fdd�t jdd�D ��� | �t� fdd�t jdd�D ��� t jdd� | �t� fd d�t jdd�D ��� | �t� fd d�t jdd�D ��� | �t� fd d�t jdd�D ��� t jdd� | �t� fd d�t jdd�D ��� | �t� fd d�t jdd�D ��� | �t� fdd�t jdd�D ��� t jdd� | �t� fdd�t jdd�D ��� | �t� fdd�t jdd�D ��� | �t� fdd�t jdd�D ��� � t �� d S )Nc 3 s | ]}� |kV qd S r r �r� Zelement�r9 r r � <genexpr> s z+GCTests.test_get_objects.<locals>.<genexpr>r �� generationc 3 s | ]}� |kV qd S r r r r r r r s r3 c 3 s | ]}� |kV qd S r r r r r r r s r? c 3 s | ]}� |kV qd S r r r r r r r s c 3 s | ]}� |kV qd S r r r r r r r s c 3 s | ]}� |kV qd S r r r r r r r s c 3 s | ]}� |kV qd S r r r r r r r s c 3 s | ]}� |kV qd S r r r r r r r s c 3 s | ]}� |kV qd S r r r r r r r s c 3 s | ]}� |kV qd S r r r r r r r $ s c 3 s | ]}� |kV qd S r r r r r r r ' s c 3 s | ]}� |kV qd S r r r r r r r * s )r6 r7 r5 r� �any� get_objectsr� r& r r r �test_get_objects sX � � � � � � � � � � � �zGCTests.test_get_objectsc C sl t �� | �tt �� �tt jd d��� | �tt jd� | �tt jd� | �tt jd� | �tt jd� d S )Nr i� i����1gX9��v��?)r6 r7 r8 re r Z assertRaises� ValueErrorr r& r r r �test_get_objects_arguments/ s �z"GCTests.test_get_objects_argumentsc s� d}G dd� d�}G � fdd�d|�}g � dd� }t �� t �� |� \}}t|�D ] }|� qTt �� }|� \} } | �|d| � | �| | d| � | �| | d � | | }}|� t �� }|� \} } | �|d � | �| | d � | �| | d � | | }}t|�D ] }|� �q|� t �� }|� \} } | �|d � | �| | d � | �| | d � | | }}t �� }|� \} } | �|d| � | �| | d| � | �| | d � t �� d S ) N�d c @ s e Zd Zdd� ZdS )z GCTests.test_38379.<locals>.Ac S s | | _ d S r )�mer& r r r r! @ s z&GCTests.test_38379.<locals>.A.__init__Nr" r r r r rC ? s rC c s e Zd Z� fdd�ZdS )z GCTests.test_38379.<locals>.Zc s � � | � d S r r� r& �Zzsr r rl D s z%GCTests.test_38379.<locals>.Z.__del__Nrm r r r r �ZC s r c S s t �� d } | d | d fS )N���r� r� )r6 r� )r= r r r �getstatsI s z$GCTests.test_38379.<locals>.getstatsr? r )r6 r7 rq r� r8 ro ) r r� rC r r ZoldcZoldncr r@ ry Zncr r r � test_383799 sL zGCTests.test_38379N)*r r r r: r> rA rH rI rK r rN rO r rZ r[ r] r rb ri rs rt r| r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r r r r1 O s\ #:/ 0 . r1 c @ sd e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z e dd� �Z e � ed�dd� �ZdS )�GCCallbackTestsc C sL t �� | _t �� t �� | _t �d� t j�| j � t j�| j � g | _ d S r� ) r6 r� �enabledrq rc rh rd � callbacksr5 �cb1�cb2� othergarbager& r r r �setUp� s zGCCallbackTests.setUpc C sz | ` tj�| j� tj�| j� t�| j� | jr:t� � t� � tj D ]}t |t �rHd |_qHtj d d �= | `t� � d S r )�visitr6 r rW r r rd rh r ro r7 rU � isinstancer, r- r )r rY r r r �tearDown� s zGCCallbackTests.tearDownc C sB g | _ t�� tjd d � g }tjd d �< | j�|� g | _ d S r )r r6 r7 rU r r5 )r rU r r r �preclean� s zGCCallbackTests.precleanc C s | j �d|t|�f� d S r2 )r r5 r� )r �phase�infor r r r � s zGCCallbackTests.cb1c C sf | j �d|t|�f� |dkrbt| d�rbdd� tjD �}dd� tjD �tjd d �< |D ] }d |_qVd S )Nr? �stop�cleanupc S s g | ]}t |t�r|�qS r �r r, �r� r{ r r r r� � s z'GCCallbackTests.cb2.<locals>.<listcomp>c S s g | ]}t |t�s|�qS r r! r" r r r r� � s �)r r5 r� �hasattrr6 rU r- )r r r Zucr{ r r r r � s zGCCallbackTests.cb2c C s� | � � t�� dd� | jD �}dd� |D �}dd� |D �}| �|dgd � | �|dgd � dd� | jD �}dd� |D �}d d� |D �}| �|d gd � | �|d gd � | jD ]6}|d }| �d |k� | �d |k� | �d|k� q�d S )Nc S s g | ] }|d �qS )r r �r� r� r r r r� � s z0GCCallbackTests.test_collect.<locals>.<listcomp>c S s g | ]}|d kr|�qS �r3 r r� r r r r� � s c S s g | ]}|d kr|�qS )r? r r� r r r r� � s r3 r? c S s g | ] }|d �qS r% r r$ r r r r� � s c S s g | ]}|d kr|�qS )�startr r� r r r r� � s c S s g | ]}|d kr|�qS )r r r� r r r r� � s r& r r r� r� )r r6 r7 r r8 r� )r r� Zn1Zn2r� r r r r � test_collect� s" z GCCallbackTests.test_collectc C s: | � � t�d� | jD ] }|d }| �|d d� qd S )Nr? r )r r6 r7 r r8 )r r� r r r r �test_collect_generation� s z'GCCallbackTests.test_collect_generationc C s | � � t� t� td� t�� | jD ]:}|d dkr<q*|d }| �|d d� | �|d d� q*| �ttj�d� tjD ]}| � |t� q~d | _ g | _g tjd d �< t�� | jD ]:}|d dkr�q�|d }| �|d d � | �|d d� q�| �ttj�d � d S ) Nr( r3 r r? r� r� � r� Tr ) r r, r r6 r7 r r8 re rU r� r )r r� r r{ r r r �test_collect_garbage� s2 z$GCCallbackTests.test_collect_garbagezbuilt with -NDEBUGc C s� | � � td� dd l}t�d�}|jtjd|g|j|jd�}|� � \}}|j � � |j � � | � |d� | � |d� d}| � |d | � | � |d � | � |d | � | � |d � | � |d � d S )NZctypesr 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 : \[1, 2, 3\])r r r� �textwrap�dedentr� r^ 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 r r r r r r' r( r r* �unittestZskipIf�BUILD_WITH_NDEBUGr- r r r r r � s $�r c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) �GCTogglingTestsc C s t �� d S r )r6 ro r& r r r r 2 s zGCTogglingTests.setUpc C s t �� d S r )r6 rq r& r r r r 5 s zGCTogglingTests.tearDownc s� t d�}t�� t d�}||_|`t d�}t�|�� g �� �fdd�}t�||�}d } }}g }d}t� }|js�|d7 }|dkr�| � d� | � t ��d� |� g � ql| � t ��d� �D ]} | � | d � q�d S )Nr r3 r? c s � � g�d d �< d S r r r% �Zc2wrr� r r r� H s z2GCTogglingTests.test_bug1055820c.<locals>.callback�' �'gc didn't happen after 10000 iterations) r r6 r7 Z keep_c0_aliver r) r* r# r$ rV r8 re r5 ) r Zc0�c1�c2r� Zc0wr�junkr �detectorrz r r1 r �test_bug1055820c8 s. z GCTogglingTests.test_bug1055820cc s� g �G � �fdd�dt �}|d�}t�� t d�}||_|`t d�}t�|�� d } }}t� }g }d}|js�|d7 }|dkr�| � d� | � t ��d� |� g � qh| � t ��d� �D ]}| � |d � q�d S )Nc s e Zd Z� �fdd�ZdS )z+GCTogglingTests.test_bug1055820d.<locals>.Dc s � � g�d d �< d S r r r& r1 r r rl � s z3GCTogglingTests.test_bug1055820d.<locals>.D.__del__Nrm r r1 r r �D� s r9 r r3 r? r2 r3 ) r r6 r7 Z keep_d0_aliver r) r* r# r$ rV r8 re r5 ) r r9 Zd0r4 r5 r7 r6 r rz r r1 r �test_bug1055820d~ s, z GCTogglingTests.test_bug1055820dN)r r r r r r8 r: r r r r r0 1 s Fr0 c C st t �� } t �� t �� }t �|t j @ � zt � � t t t t � W 5 t �|� trZtd� t �� | snt �� X d S )Nz restoring automatic collection)r6 r� rq rc rd Z DEBUG_LEAKr �printro r7 r r1 r0 r )r rh r r r � test_main� s r< �__main__)(r. Z test.supportr r r r r r r r r r r Ztest.support.script_helperr r r6 r^ Z sysconfigr+ r� r� r) Z _testcapir � ImportErrorr r r# r, Zget_config_vars�getr/ r# ZTestCaser1 r r0 r< r r r r r �<module> sD 4 7 2
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