.Cc td)Nzrequires _testcapi.with_tp_del) TypeError)clsargskwargss #/usr/lib/python3.11/test/test_gc.py__new__zwith_tp_del..C.__new__s @AAAN)__name__ __module__ __qualname__rrrCrs( B B B B Brr)object)rrs rrrs; B B B B B B B Br) ContainerNoGCceZdZdZdS)C1055820c"||_||_dSN)iloop)selfr%s r__init__zC1055820.__init__)s rNrrrr(rrrr"r"(s#rr"ceZdZdZdS) GC_Detectorcnd_fd}tjtd|_dS)NFcd_dS)NT) gc_happened)ignoredr's r it_happenedz)GC_Detector.__init__..it_happened4s#D   r)r.weakrefrefr"wr)r'r0s` rr(zGC_Detector.__init__1sC  $ $ $ $ $ +hsmm[99rNr)rrrr+r+-s#:::::rr+c eZdZdZddZdZdS) 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.NcF|t||_dS||_dS)N)partner)r6r8)r'r8s rr(zUncollectable.__init__Cs( ?(666DLLL"DLLLrcdSr$rr's r __tp_del__zUncollectable.__tp_del__Hs rr$)rrr__doc__r(r;rrrr6r6;sA)) ####      rr6 PY_CFLAGSz-DNDEBUGgettotalrefcountceZdZdZdZdZdZdZdZdZ dZ e d Z e d Z d Zd Zed ZdZdZdZedZedZdZejdZdZdZdZdZdZdZ dZ!dZ"dZ#e e$dZ%dZ&d Z'd!Z(d"Z)d#Z*d$Z+d%Z,d&Z-d'Z.d(Z/e0j1e2d)ud*d+Z3d)S),GCTestscg}||tj~|tjddSNappendgccollect assertEqualr'ls r test_listzGCTests.test_listWsF     q)))))rci}||d<tj~|tjddSrCrGrHrIr'ds r test_dictzGCTests.test_dict^s@ !  q)))))rcg}|f}||tj~~|tjddS)NrE)r'rKts r test_tuplezGCTests.test_tupleesP  D    q)))))rcGdd}||_tj~|tjddS)NceZdZdS)GCTests.test_class..ANrrrrrrArXp DrrZrarGrHassertNotEqualr'rZs r test_classzGCTests.test_classosa          BJLL!,,,,,rcGddt}tj~|tjddS)NceZdZdS)%GCTests.test_newstyleclass..ANrYrrrrZrcxr[rrZr)rrGrHr^r_s rtest_newstyleclasszGCTests.test_newstyleclassws\          BJLL!,,,,,rcGdd}|}||_tj~|tjddS)NceZdZdS) GCTests.test_instance..ANrYrrrrZrgr[rrZrr\r'rZr]s r test_instancezGCTests.test_instance~sl         ACC  BJLL!,,,,,rcGddt}|}||_tj~|tjdGddt }Gdd||}|}||_tj~|tjd~~|tjd||_~|tjd|tjddS)NceZdZdS)#GCTests.test_newinstance..ANrYrrrrZrlr[rrZrceZdZdS)#GCTests.test_newinstance..BNrYrrrBrnr[rroceZdZdS)#GCTests.test_newinstance..CNrYrrrrrqr[rr)rr]rGrHr^listrI)r'rZr]rors rtest_newinstancezGCTests.test_newinstancesi         ACC  BJLL!,,,             1    ACC  BJLL!,,, q BJLL!,,,acc  BJLL!,,, q)))))rcGdd}|}tj~|tjddS)NceZdZdZdS)GCTests.test_method..Ac|j|_dSr$)r(initr:s rr(z'GCTests.test_method..A.__init__s M rNr)rrrrZrvs# * * * * *rrZr)rGrHr^rhs r test_methodzGCTests.test_methodsg * * * * * * * * ACC  BJLL!,,,,,rctGdd}Gdd}|}||_t|}|}||_t j~~|t jdtjD]}t||kr|`n|dtj |dS)NceZdZdZdS)(GCTests.test_legacy_finalizer..AcdSr$rr:s rr;z3GCTests.test_legacy_finalizer..A.__tp_del__rNrrrr;rrrrZr| & & & & &rrZceZdZdS)(GCTests.test_legacy_finalizer..BNrYrrrrorr[rror&didn't find obj in garbage (finalizer)) rr]idbrGrHr^garbagefailremover'rZror]id_arobjs rtest_legacy_finalizerzGCTests.test_legacy_finalizers  ' ' ' ' ' ' '  '         ACC!uu ACC  BJLL!,,,: @ @C#ww$E II> ? ? ? #rctGddt}Gddt}|}||_t|}|}||_t j~~|t jdt jD]}t||kr|`n| dt j |dS)NceZdZdZdS)1GCTests.test_legacy_finalizer_newclass..AcdSr$rr:s rr;z.A.__tp_del__r~rNrrrrrZrrrrZceZdZdS)1GCTests.test_legacy_finalizer_newclass..BNrYrrrrorr[rrorr) rrr]rrrGrHr^rrrrs rtest_legacy_finalizer_newclassz&GCTests.test_legacy_finalizer_newclasss   ' ' ' ' ' ' '  '         ACC!uu ACC  BJLL!,,,: @ @C#ww$E II> ? ? ? #rci}td|tj~|tjddS)Nzdef f(): pass rS)execrGrHrIrOs r test_functionzGCTests.test_functionsJ  """  q)))))rcd}td|\}}}||d||d||dS)Naif 1: import gc import weakref class LateFin: __slots__ = ('ref',) def __del__(self): # 8. Now `latefin`'s finalizer is called. Here we # obtain a reference to `func`, which is currently # undergoing `tp_clear`. global func func = self.ref() class Cyclic(tuple): __slots__ = () # 4. The finalizers of all garbage objects are called. In # this case this is only us as `func` doesn't have a # finalizer. def __del__(self): # 5. Create a weakref to `func` now. If we had created # it earlier, it would have been cleared by the # garbage collector before calling the finalizers. self[1].ref = weakref.ref(self[0]) # 6. Drop the global reference to `latefin`. The only # remaining reference is the one we have. global latefin del latefin # 7. Now `func` is `tp_clear`-ed. This drops the last # reference to `Cyclic`, which gets `tp_dealloc`-ed. # This drops the last reference to `latefin`. latefin = LateFin() def func(): pass cyc = tuple.__new__(Cyclic, (func, latefin)) # 1. Create a reference cycle of `cyc` and `func`. func.__module__ = cyc # 2. Make the cycle unreachable, but keep the global reference # to `latefin` so that it isn't detected as garbage. This # way its finalizer will not be called immediately. del func, cyc # 3. Invoke garbage collection, # which will find `cyc` and `func` as garbage. gc.collect() # 9. Previously, this would crash because `func_qualname` # had been NULL-ed out by func_clear(). print(f"{func=}") -crs!\A\s*func=\s*\Z)r rI assertRegex assertFalse)r'codercstdoutstderrs r.test_function_tp_clear_leaves_consistent_statez6GCTests.test_function_tp_clear_leaves_consistent_statesi: x.dD99FF Q !JKKK      rcd}tj||tjddS)Nc,tj}dSr$)sys _getframe)frames rfzGCTests.test_frame..f+sMOOEEErrDrN)r'rs r test_framezGCTests.test_frame)sI $ $ $   q)))))rcLtj|tjgg}||t |}tj}tj|tjz~tjtj||ttjdtj }|t ||dSrC) rGrHrIrrFr get_debug set_debug DEBUG_SAVEALLlenpop)r'Lid_Ldebugrs r test_saveallzGCTests.test_saveall1s  R(((   !uu  UR--...   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! ! ! !rroc^}}||_||_dSr$rw)r]rrZros rdo_workz&GCTests.test_bug21435..do_works3A!!##AAFAFFFr)rGrH)r'ryrZros @@r test_bug21435zGCTests.test_bug21435s          ! ! ! ! ! ! ! !         rc^ddld}fd}||dz}d|d|||dz}d|d |vpd |v|||d z}d |dS) Nraif 1: import gc import _testcapi @_testcapi.with_tp_del class X: def __init__(self, name): self.name = name def __repr__(self): return "" %% self.name def __tp_del__(self): pass x = X('first') x.x = x x.y = X('second') del x gc.set_debug(%s) c\tjdd|gjj}|\}}|j|j|j d|d|S)Nz-Wdrrrrr) Popenr executablePIPE communicatercloserrI returncode)rprrr' subprocesss r run_commandz5GCTests.test_garbage_at_shutdown..run_commands  #.%t!D!!!((A]]__NFF HNN    HNN      Q\1 - - -   VS ) ) )Mr0s=ResourceWarning: gc: 2 uncollectable objects at shutdown; uses zgc.DEBUG_UNCOLLECTABLEs8ResourceWarning: gc: 2 uncollectable objects at shutdowns[, ]s[, ]zgc.DEBUG_SAVEALLs!uncollectable objects at shutdown)rassertIn assertNotInrW)r'rrrrs` @rtest_garbage_at_shutdownz GCTests.test_garbage_at_shutdowns  $      TCZ(( '(. 0 0 0 000T$<<== "#) + + +  +v 5 7 +v 5 @ @ @ T$6677 =vFFFFFrcd}td|\}}}||ddS)Nzif 1: class C: def __del__(self): print('__del__ called') l = [C()] l.append(l) r__del__ called)r rIstrip)r'rrouterrs rtest_gc_main_module_at_shutdownz'GCTests.test_gc_main_module_at_shutdown sE(d33 C &788888rct5}d}d|d}t|d|td|\}}}||dddddS#1swxYwYdS)Nzif 1: class C: def __del__(self): print('__del__ called') l = [C()] l.append(l) zDif 1: import sys sys.path.insert(0, z0) import gctest gctestrr)rr r rIr)r' script_dirmodulerrrrs r#test_gc_ordinary_module_at_shutdownz+GCTests.test_gc_ordinary_module_at_shutdowns ZZ =:FF"zz $D  Hf 5 5 5+D$77LBS   SYY[[*; < < < = = = = = = = = = = = = = = = = = =sAA22A69A6cRd}|ttttdd5}||dddn #1swxYwYt t\}}}||ddS)Nzif 1: class ClassWithDel: def __del__(self): print('__del__ called') a = ClassWithDel() a.link = a raise SystemExit(0)wzutf-8)encodingr) addCleanupr r openwriter rIr)r'rscriptrrrs rtest_global_del_SystemExitz"GCTests.test_global_del_SystemExit-s# ''' &# 0 0 0 F LL                  '// C &788888sAA #A c*tj}|t|d|D]}||t |t |hd||dd||dd||ddtjr2| tj tj tj}tj dtj}||dd|dddz||dd|dd||dd|ddtj dtj}||dd|dddz||dd|dd||dd|dddzdS) Nr3> collected collections uncollectablerrrrrDrS) rG get_statsrIrassertIsInstancedictrXassertGreaterEqual isenabledrrrrH)r'statsstoldnews rtest_get_statszGCTests.test_get_stats;s:  UQ''' < >  OOBI & & & JLLLlnn 1 lnn Q .A}0E0IJJJ Q .A}0EFFF Q .A}0EFFF 1 lnn Q .A}0E0IJJJ Q .A}0EFFF Q .A}0E0IJJJJJrctj|tjdtj|tjddSr)rGfreezerget_freeze_countunfreezerIr:s r test_freezezGCTests.test_freezeUs\  2.00!444  ,..22222rctjg|t fdtjdD|t fdtjdD|t fdtjdDtjd|t fdtjdD|t fd tjdD|t fd tjdDtjd|t fd tjdD|t fd tjdD|t fd tjdDtjd|t fdtjdD|t fdtjdD|t fdtjdDtjdS)Nc3 K|]}|uV dSr$rrfelementrKs r z+GCTests.test_get_objects..`'MMWALMMMMMMrr generationc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..c'NNWALNNNNNNrrDc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..frrrSc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..jrrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..mrrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..prrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..trrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..wrrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..zrrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..~rrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..rrc3 K|]}|uV dSr$rrs rrz+GCTests.test_get_objects..rr)rGrHrFrWany get_objectsrrJs @rtest_get_objectszGCTests.test_get_objects[s    MMMM!0L0L0LMMMMM    NNNN11M1M1MNNNNN    MMMM!0L0L0LMMMMM    a     MMMM!0L0L0LMMMMM    NNNN11M1M1MNNNNN    MMMM!0L0L0LMMMMM    a     MMMM!0L0L0LMMMMM    NNNN11M1M1MNNNNN    MMMM!0L0L0LMMMMM    a     MMMM!0L0L0LMMMMM    NNNN11M1M1MNNNNN    MMMM!0L0L0LMMMMM     rctj|ttjttjd|t tjd|t tjd|ttjd|ttjddS)Nrii1gX9v?)rGrHrIrr assertRaises ValueErrorrr:s rtest_get_objects_argumentsz"GCTests.test_get_objects_argumentss  R^--..R^t<<<== ? ? ? *bnd;;; *bne<<< )R^S999 )R^U;;;;;rcpGdd}Gfdd|tjtj}|jd~tj|jd|t jdj|jdtj|jdtjdS)NceZdZdZdS)AGCTests.test_resurrection_only_happens_once_per_object..Ac||_dSr$mer:s rr(zJGCTests.test_resurrection_only_happens_once_per_object..A.__init__ rNr)rrrrZr#     rrZc"eZdZdZgZfdZdS)GGCTests.test_resurrection_only_happens_once_per_object..Lazarusrc\xjdz c_j|dSrC) resurrectedresurrected_instancesrFr'r_s rrzOGCTests.test_resurrection_only_happens_once_per_object..Lazarus.__del__s4##q(##-44T:::::rN)rrrrrrr_srr_rs9K$& ! 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!!] 3 3 3 3   111   7 7Atv~~Q4D   T+. 2 2 2   T/2A 6 6 6 6 RZ!,,,,,rzbuilt with -NDEBUGc|tdddl}tjd}|t jd|g|j|j}| \}}|j |j | |d| |dd}| |d |z| |d | |d |z| |d | |d dS)Nctypesra 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() rr}sGgcmodule\.c:[0-9]+: gc_decref: Assertion "gc_get_refs\(g\) > 0" failed.srefcount is too smalls [0-9a-fA-Fx]+sobject address : sobject refcount : 1sobject type : sobject type name: listsobject repr : \[1, 2, 3\])rrrtextwrapdedentr~rrrrrrrr)r'rrrrr address_regexs rtest_refcount_errorsz$GCCallbackTests.test_refcount_errorss  h   &   cndD9$.O$.O  5 5    W Y Y Y  % ' ' '*   "] 2 4 4 4  # % % %  "] 2 4 4 4  & ( ( (  - / / / / /rN)rrrrrrrrr5r7rr9rr BUILD_WITH_NDEBUGr?rrrrrXs"222!!!5556444 - -\ -FX_&)++2/2/++2/2/2/rrc&eZdZdZdZdZdZdS)GCTogglingTestsc,tjdSr$)rGrr:s rrzGCTogglingTests.setUp s rc,tjdSr$)rGrr:s rrzGCTogglingTests.tearDown s rcv td}tjtd}||_|`td}t j| g fd}t j||}dx}x}}g}d}t}|js_|dz }|dkr| d| t d| g|j_| t d D]} | | ddS)NrrDrSc(gdd<dSr$r)r/c2wrris rrjz2GCTogglingTests.test_bug1055820c..callbackstvvhDGGGr''gc didn't happen after 10000 iterations) r"rGrH keep_c0_aliver&r2r3r+r.rrIrrF) r'c0c1c2rjc0wrjunkr%detectorrrGris @@rtest_bug1055820cz GCTogglingTests.test_bug1055820csaa[[ a[[ G a[[{2      {2x((R"@ ==&  FA5yy CDDD   SYY * * * KKOOO &  TA&&& & &A   Q % % % % & &rcd g G fddt}|d}tjtd}||_|`td}t j| dx}x}}t}g}d}|js_|dz }|dkr| d| t d| g|j_| t d D]}| |ddS)NceZdZfdZdS)+GCTogglingTests.test_bug1055820d..Dc(gdd<dSr$r)r'rGris rrz3GCTogglingTests.test_bug1055820d..D.__del__\s466(QQQrNr)rGrisrDrT[s3 # # # # # # # #rrVrrDrSrHrI) r"rGrH keep_d0_aliver&r2r3r+r.rrIrrF) r'rVd0rLrMrPrOr%rrGris @@rtest_bug1055820dz GCTogglingTests.test_bug1055820dUsl  # # # # # # # # # # #QqTT a[[ G a[[{2R"<== &  FA5yy CDDD   SYY * * * KKOOO &  TA&&& & &A   Q % % % % & &rN)rrrrrrQrYrrrrBrBsYD&D&D&LA&A&A&A&A&rrBceZdZdZdS)PythonFinalizationTestscNtjd}td|dS)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)r<r=r )r'rs r test_ast_finiz%PythonFinalizationTests.test_ast_finis2    " t$$$$$rN)rrrr]rrrr[r[s#%%%%%rr[ctjatjtjatjt tjztjdSr$) rGrrrrrr DEBUG_LEAKrHrrr setUpModuler`sKlnnGJLLL LNNEL"-'(((JLLLLLrctjttrt dtjt stjdSdS)Nzrestoring automatic collection)rGrrrprintrrrrrrtearDownModulercsUL0 .///IKKK  r__main__)-r unittest.mock test.supportrrrrtest.support.import_helperrtest.support.os_helperrr r test.support.script_helperr r r rGr sysconfigr<rrr2 _testcapir ImportErrorr rr"r+r6get_config_varsgetr@rTestCaserArrBr[r`rcrmainrrrrqsz============444444;;;;;;;;;;DDDDDDDD))))))  %%%%%%%'''''''MMMv : : : : :& : : :       F      9"";33?#'@y'@'B'B;'OO %WS*<=== hD m/m/m/m/m/h'm/m/m/`N&N&N&N&N&h'N&N&N&b%%%%%h/%%%6    zHMOOOOOs$AA"!A"&A--A76A7