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✏️ test_gdb.cpython-38.opt-1.pyc
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Support injecting commands after the breakpoint is reached Returns the stdout from gdb cmds_after_breakpoint: if provided, a list of strings: gdb commands zset breakpoint pending yeszbreak %szset print address off�runr0 zset print entry-values no�next� backtracec S s g | ] }d | �qS )z--eval-command=%sr )r' r r r r � <listcomp>� s z1DebuggerTests.get_stack_trace.<locals>.<listcomp>rA z-Sz-c�PYTHONHASHSEED)�filez PC not savedzKgdb cannot walk the frame object because the Program Counter is not present)z!(frame information optimized out)z*Unable to read information on python framez found in gdb output)r9 r: �CET_PROTECTION�sys� executable�extendr Z _args_from_interpreter_flagsr@ rK � splitlines�printr r r ) �self�source�script� breakpoint�cmds_after_breakpoint� import_siteZcommandsr= r> r? �line�patternr r r �get_stack_trace� s@ � � z DebuggerTests.get_stack_tracec C sP |pdg}| j |t||d�}t�d|tj�}|sB| �d||f � |�d�|fS )Nz backtrace 1)rV rW rX zS#0\s+builtin_id\s+\(self\=.*,\s+v=\s*(.*?)?\)\s+at\s+\S*[A-Za-z]+/[A-Za-z0-9_-]+\.cz Unexpected gdb output: %r %sr )r[ � BREAKPOINT_FNr r �DOTALL�failr )rS rT rW rX � gdb_outputrC r r r � get_gdb_repr� s � � zDebuggerTests.get_gdb_reprc C s | j |�|�d||f d� dS )z9Ensure that the given "actual" string ends with "exp_end"z%r did not end with %r��msgN)� assertTruer& )rS �actualZexp_endr r r �assertEndsWith s �z DebuggerTests.assertEndsWithc C s, t �||t j�}|s(| jd||f d� d S )Nz%r did not match %rra )r r r] r^ )rS rd rZ rC r r r �assertMultilineMatches$ s z$DebuggerTests.assertMultilineMatchesc C s t d�S )Nz gdb_sample.py)r �rS r r r �get_sample_script) s z DebuggerTests.get_sample_script)NF) �__name__� __module__� __qualname__�__doc__r\ r[ r` re rf rh r r r r rF � s � k � $rF c @ s� e Zd Zdd� Zd<dd�Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zd d � Zd d � Zd=d d!�Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zd0d1� Zd2d3� Zd4d5� Z d6d7� Z d8d9� Z d:d;� Z dS )>�PrettyPrintTestsc C s | � d�}| �t|k� d S )N�id(42))r[ rc r\ �rS r_ r r r �test_getting_backtrace- s z'PrettyPrintTests.test_getting_backtraceNc C sB | � dt|� d �\}}|s&t|�}| �||d|||f � d S )Nzid(�)z1%r did not equal expected %r; full output was: %s)r` �ascii�repr� assertEqual)rS �valZexp_repr�gdb_reprr_ r r r � assertGdbRepr1 s ��z PrettyPrintTests.assertGdbReprc C s6 | � d� | � d� | � d� | � d� | � d� dS )z0Verify the pretty-printing of various int values�* r i����l J)�l���� �I�5 N�rw rg r r r �test_int; s zPrettyPrintTests.test_intc C s" | � d� | � d� | � d� dS )z2Verify the pretty-printing of True, False and NoneTFNry rg r r r �test_singletonsC s z PrettyPrintTests.test_singletonsc C s0 | � i � | � ddid� | � ddd�d� dS )z*Verify the pretty-printing of dictionaries�foo�barz{'foo': 'bar'}rx )r| Zdouglasz {'foo': 'bar', 'douglas': 42}Nry rg r r r � test_dictsI s zPrettyPrintTests.test_dictsc C s | � g � | � ttd��� dS )z#Verify the pretty-printing of lists� N)rw �list�rangerg r r r � test_listsP s zPrettyPrintTests.test_listsc C sR | � d� | � d� | � d� | � d� | � d� | � tdd� td�D ��� d S ) z#Verify the pretty-printing of bytes� s( And now for something hopefully the sames7 string with embedded NUL here and then some more texts7 this is a tab: this is a slash-N: this is a slash-R: s! this is byte 255:� and byte 128:�c S s g | ]}|�qS r r )r' �br r r rJ a s z/PrettyPrintTests.test_bytes.<locals>.<listcomp>� N)rw �bytesr� rg r r r � test_bytesU s zPrettyPrintTests.test_bytesc sx t dd�\}}|�� � |s � s,td|� ���� �fdd�}��d� ��d� ��d� |d � |d � |td �� d S ) z-Verify the pretty-printing of unicode stringsz--eval-commandz:python import locale; print(locale.getpreferredencoding())zFunable to determine the preferred encoding of embedded Python in GDB: c sF z| � � � d}W n$ tk r6 ��| t| �� Y n X ��| � d S )NT)�encode�UnicodeEncodeErrorrw rr )�textZ printable��encodingrS r r � check_reprs s z1PrettyPrintTests.test_strings.<locals>.check_reprr$ z(And now for something hopefully the samez7string with embedded NUL here and then some more textu ☠u 文字化けi!� N)r@ �rstrip� RuntimeErrorrw �chr)rS r> r? r� r r� r � test_stringsc s �� z PrettyPrintTests.test_stringsc C s( | � t� d� | � dd� | � d� dS )z$Verify the pretty-printing of tuplesz())r z(1,))r| r} ZbazN)rw �tuplerg r r r � test_tuples� s z PrettyPrintTests.test_tuplesc C s� t tfdk r| �d� | �t� d� | �tdg�d� tjjsh| �tddg�d� | �tdd d g�d � | �d �\}}| � |d � dS )z"Verify the pretty-printing of sets�r" � z.pretty-printing of sets needs gdb 7.3 or laterzset()�az{'a'}r� z {'a', 'b'}r1 r � z {4, 5, 6}z&s = set(['a','b']) s.remove('a') id(s)z{'b'}N) r9 r: �skipTestrw �setrN r. �ignore_environmentr` rt �rS rv r_ r r r � test_sets� s zPrettyPrintTests.test_setsc C sl t tfdk r| �d� | �t� d� | �tdg�d� tjjsh| �tddg�d� | �tdd d g�d � d S ) z(Verify the pretty-printing of frozensetsr� z4pretty-printing of frozensets needs gdb 7.3 or laterz frozenset()r� zfrozenset({'a'})r� zfrozenset({'a', 'b'})r1 r r� zfrozenset({4, 5, 6})N)r9 r: r� rw � frozensetrN r. r� rg r r r �test_frozensets� s z PrettyPrintTests.test_frozensetsc C s8 | � d�\}}| �|d� | � d�\}}| �|d� d S )NzR try: raise RuntimeError("I am an error") except RuntimeError as e: id(e) z RuntimeError('I am an error',)z= try: a = 1 / 0 except ZeroDivisionError as e: id(e) z&ZeroDivisionError('division by zero',)�r` rt r� r r r �test_exceptions� s ��z PrettyPrintTests.test_exceptionsc C s0 | � d�\}}t�d|�}| j|d| d� dS )z7Verify the pretty-printing of new-style class instancesz8 class Foo: pass foo = Foo() foo.an_int = 42 id(foo)�*<Foo\(an_int=42\) at remote 0x-?[0-9a-f]+>�'Unexpected new-style class rendering %rra N�r` r r rc �rS rv r_ rC r r r �test_modern_class� s �z"PrettyPrintTests.test_modern_classc C s0 | � d�\}}t�d|�}| j|d| d� dS )z<Verify the pretty-printing of an instance of a list subclasszO class Foo(list): pass foo = Foo() foo += [1, 2, 3] foo.an_int = 42 id(foo)r� r� ra Nr� r� r r r �test_subclassing_list� s �z&PrettyPrintTests.test_subclassing_listc C s0 | � d�\}}t�d|�}| j|d| d� dS )z=Verify the pretty-printing of an instance of a tuple subclasszH class Foo(tuple): pass foo = Foo((1, 2, 3)) foo.an_int = 42 id(foo)r� r� ra Nr� r� r r r �test_subclassing_tuple� s �z'PrettyPrintTests.test_subclassing_tuplec C s` |r|dg}ndg}| j ||d�\}}|r6||kr6dS d}t�||�}|s\| �d||f � dS )z�Run Python under gdb, corrupting variables in the inferior process immediately before taking a backtrace. Verify that the variable's representation is the expected failsafe representationrI �rW Nz <.* at remote 0x-?[0-9a-f]+>�$Unexpected gdb representation: %r %s)r` r r r^ ) rS rT Z corruption�expreprrW rv r_ rZ rC r r r � assertSane� s �� �zPrettyPrintTests.assertSanec C s& | j dddgd�\}}| �|d� dS )z2Ensure that a NULL PyObject* is handled gracefullyrn zset variable v=0rI r� Z0x0Nr� r� r r r � test_NULL_ptr s ���z PrettyPrintTests.test_NULL_ptrc C s | � dd� dS )z?Ensure that a PyObject* with NULL ob_type is handled gracefullyrn zset v->ob_type=0N�r� rg r r r �test_NULL_ob_type s �z"PrettyPrintTests.test_NULL_ob_typec C s | j dddd� dS )zDEnsure that a PyObject* with a corrupt ob_type is handled gracefullyrn zset v->ob_type=0xDEADBEEF�42�r� Nr� rg r r r �test_corrupt_ob_type s �z%PrettyPrintTests.test_corrupt_ob_typec C s | j dddd� dS )zDEnsure that a PyObject* with a type with corrupt tp_flags is handledrn z set v->ob_type->tp_flags=0x0r� r� Nr� rg r r r �test_corrupt_tp_flags$ s �z&PrettyPrintTests.test_corrupt_tp_flagsc C s | j dddd� dS )zCEnsure that a PyObject* with a type with corrupt tp_name is handledrn z"set v->ob_type->tp_name=0xDEADBEEFr� r� Nr� rg r r r �test_corrupt_tp_name* s �z%PrettyPrintTests.test_corrupt_tp_namec C sF t jjr| �d� | jddd�\}}t�d|�}| j|d| d� dS ) zAEnsure that the new-style class _Helper in site.py can be handledz(need site module, but -S option was usedzid(__builtins__.help)T)rX z!<_Helper at remote 0x-?[0-9a-f]+>zUnexpected rendering %rra N)rN r. �no_siter� r` r r rc r� r r r �test_builtins_help0 s �z#PrettyPrintTests.test_builtins_helpc C s8 | � d�\}}| �|d� | � d�\}}| �|d� dS )zbEnsure that a reference loop involving a list doesn't lead proxyval into an infinite loop:z#a = [3, 4, 5] ; a.append(a) ; id(a)z[3, 4, 5, [...]]z-a = [3, 4, 5] ; b = [a] ; a.append(b) ; id(a)z[3, 4, 5, [[...]]]Nr� r� r r r �test_selfreferential_list> s � �z*PrettyPrintTests.test_selfreferential_listc C s | � d�\}}| �|d� dS )zbEnsure that a reference loop involving a dict doesn't lead proxyval into an infinite loop:z-a = {} ; b = {'bar':a} ; a['foo'] = b ; id(a)z{'foo': {'bar': {...}}}Nr� r� r r r �test_selfreferential_dictI s �z*PrettyPrintTests.test_selfreferential_dictc C s. | � d�\}}| �t�d|�d||f � d S )Nz: class Foo: pass foo = Foo() foo.an_attr = foo id(foo)�1<Foo\(an_attr=<\.\.\.>\) at remote 0x-?[0-9a-f]+>r� �r` rc r r r� r r r �'test_selfreferential_old_style_instanceQ s � ���z8PrettyPrintTests.test_selfreferential_old_style_instancec C sX | � d�\}}| �t�d|�d||f � | � d�\}}| �t�d|�d||f � d S )NzB class Foo(object): pass foo = Foo() foo.an_attr = foo id(foo)r� r� zR class Foo(object): pass a = Foo() b = Foo() a.an_attr = b b.an_attr = a id(a)zZ<Foo\(an_attr=<Foo\(an_attr=<\.\.\.>\) at remote 0x-?[0-9a-f]+>\) at remote 0x-?[0-9a-f]+>r� r� r r r �'test_selfreferential_new_style_instance^ s$ � ���� ���z8PrettyPrintTests.test_selfreferential_new_style_instancec C s6 | � d�\}}| �|d� | �t|�dtd� � dS )z)Verify that very long output is truncatedzid(list(range(1000)))a [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226...(truncated)i z...(truncated)N)r` rt �lenr� r r r �test_truncationy s � �z PrettyPrintTests.test_truncationc C s. | � d�\}}| �t�d|�d||f � d S )Nz$import sys; id(sys.stdout.readlines)zO<built-in method readlines of _io.TextIOWrapper object at remote 0x-?[0-9a-f]+>r� r� r� r r r �test_builtin_method� s ���z$PrettyPrintTests.test_builtin_methodc C s6 | j dddgd�}| �t�d|tj�d||f � d S )Nz: def foo(a, b, c): pass foo(3, 4, 5) id(foo.__code__)rE z:print (PyFrameObject*)(((PyCodeObject*)v)->co_zombieframe)�rV rW zM.*\s+\$1 =\s+Frame 0x-?[0-9a-f]+, for file <string>, line 3, in foo \(\)\s+.*r� )r[ rc r r r] ro r r r � test_frames� s � � �z PrettyPrintTests.test_frames)N)N) ri rj rk rp rw rz 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� r� r r r r rm , s: - rm �&Python was compiled with optimizationsc @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) � PyListTestsc C s | � ||� d S )N)re )rS Zexpectedrd r r r � assertListing� s zPyListTests.assertListingc C s$ | j | �� dgd�}| �d|� dS )z'Verify that the "py-list" command workszpy-list�rU rW z� 5 6 def bar(a, b, c): 7 baz(a, b, c) 8 9 def baz(*args): >10 id(42) 11 12 foo(1, 2, 3) N�r[ rh r� �rS �btr r r �test_basic_command� s ��z PyListTests.test_basic_commandc C s$ | j | �� dgd�}| �d|� dS )z7Verify the "py-list" command with one absolute argumentz py-list 9r� zI 9 def baz(*args): >10 id(42) 11 12 foo(1, 2, 3) Nr� r� r r r �test_one_abs_arg� s ��z PyListTests.test_one_abs_argc C s$ | j | �� dgd�}| �d|� dS )z8Verify the "py-list" command with two absolute argumentsz py-list 1,3r� zR 1 # Sample script for use by test_gdb.py 2 3 def foo(a, b, c): Nr� r� r r r �test_two_abs_args� s ��z PyListTests.test_two_abs_argsN)ri rj rk r� r� r� r� r r r r r� � s r� c @ sx e Zd Ze�ed�e�e� d�dd� ��Ze�ed�dd� �Z e�ed�dd� �Z e�ed�e�e� d�d d � ��Z d S ) �StackNavigationTests�$test requires py-up/py-down commandsr� c C s& | j | �� ddgd�}| �|d� dS )z%Verify that the "py-up" command works�py-upr� zp^.* #[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \(a=1, b=2, c=3\) baz\(a, b, c\) $N�r[ rh rf r� r r r �test_pyup_command� s ��z&StackNavigationTests.test_pyup_commandc C s$ | j | �� dgd�}| �|d� dS )z7Verify handling of "py-down" at the bottom of the stack�py-downr� z$Unable to find a newer python frame N�r[ rh re r� r r r �test_down_at_bottom� s ��z(StackNavigationTests.test_down_at_bottomc C s( | j | �� dgd d�}| �|d� dS )z2Verify handling of "py-up" at the top of the stackr� r r� z%Unable to find an older python frame Nr� r� r r r �test_up_at_top� s ��z#StackNavigationTests.test_up_at_topc C s( | j | �� dddgd�}| �|d� dS )z$Verify "py-up" followed by "py-down"r� r� r� z�^.* #[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \(a=1, b=2, c=3\) baz\(a, b, c\) #[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 10, in baz \(args=\(1, 2, 3\)\) id\(42\) $Nr� r� r r r �test_up_then_down� s ��z&StackNavigationTests.test_up_then_downN) ri rj rk r � skipUnless�HAS_PYUP_PYDOWN�skipIfr r� r� r� r� r r r r r� � s � �r� c @ s� e Zd Ze�e� d�dd� �Ze�e� d�dd� �Zdd� Ze�e� d�dd � �Z e�e� d�d d � �Z e�e� d�d d � �Z dS )� PyBtTestsr� c C s$ | j | �� dgd�}| �|d� dS )z%Verify that the "py-bt" command works�py-btr� aF ^.* Traceback \(most recent call first\): <built-in method id of module object .*> File ".*gdb_sample.py", line 10, in baz id\(42\) File ".*gdb_sample.py", line 7, in bar baz\(a, b, c\) File ".*gdb_sample.py", line 4, in foo bar\(a, b, c\) File ".*gdb_sample.py", line 12, in <module> foo\(1, 2, 3\) Nr� r� r r r �test_bt s ��zPyBtTests.test_btc C s$ | j | �� dgd�}| �|d� dS )z*Verify that the "py-bt-full" command works� py-bt-fullr� a> ^.* #[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \(a=1, b=2, c=3\) baz\(a, b, c\) #[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 4, in foo \(a=1, b=2, c=3\) bar\(a, b, c\) #[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 12, in <module> \(\) foo\(1, 2, 3\) Nr� r� r r r � test_bt_full s ��zPyBtTests.test_bt_fullc C s@ d}| j |dgd�}| �d|� | j |dgd�}| �d|� dS )zBVerify that "py-bt" indicates threads that are waiting for the GILaN from threading import Thread class TestThread(Thread): # These threads would run forever, but we'll interrupt things with the # debugger def run(self): i = 0 while 1: i += 1 t = {} for i in range(4): t[i] = TestThread() t[i].start() # Trigger a breakpoint on the main thread id(42) zthread apply all py-btr� zWaiting for the GILzthread apply all py-bt-fullN�r[ �assertIn�rS r r_ r r r � test_threads' s � �zPyBtTests.test_threadsc C sH d}| j |dddgd�}| �d|� | j |dddgd�}| �d|� dS ) z?Verify that "py-bt" indicates if a thread is garbage-collectingzRfrom gc import collect id(42) def foo(): collect() def bar(): foo() bar() zbreak update_refs�continuer� r� zGarbage-collectingr� Nr� r� r r r �test_gcG s � �zPyBtTests.test_gcc C s� dD ]�\}}}}| � |��h d|� d|� d�}| j||ddgd�}| �d|� �|� | j||d gd�}| �d |� d |� �|� W 5 Q R X qd S ) zAVerify that "py-bt" displays invocations of PyCFunction instances))�gmtimer$ Z time_gmtimer )r� �[]Z builtin_lenr )�localsr$ Zbuiltin_localsr )�iterr� Z builtin_iterr )�sortedr� Zbuiltin_sortedr z'from time import gmtime def foo(): �(z ) def bar(): foo() bar() r� r� r� z<built-in method r� �#z <built-in method N)ZsubTestr[ r� )rS Zpy_nameZpy_argsZc_nameZexpected_frame_numberr r_ r r r �test_pycfunctiona s$ ���zPyBtTests.test_pycfunctionc C sH t �d�}ddg}tr |�d� |�d� | j||d�}| �|d� d S )Nz� class MyList(list): def __init__(self): super().__init__() # wrapper_call() id("first break point") l = MyList() zbreak wrapper_callr� rH r� r� z1<method-wrapper u?'__init__' of MyList object at )�textwrap�dedentrM �appendr[ Z assertRegex)rS r rW r_ r r r �test_wrapper_call� s ��zPyBtTests.test_wrapper_callN) ri rj rk r r� r r� r� r� r� r� r� r r r r r� s* � � � � %�r� c @ sp e Zd Ze�e� d�dd� �Ze�e� d�e�ed�dd� ��Z e�e� d�dd� �Z e�e� d�d d � �Z d S ) � PyPrintTestsr� c C s& | j | �� ddgd�}| �|d� dS )z(Verify that the "py-print" command worksr� z py-print argsr� z".*\nlocal 'args' = \(1, 2, 3\)\n.*Nr� r� r r r r� � s ��z PyPrintTests.test_basic_commandr� c C s, | j | �� dddddgd�}| �|d� d S )Nr� z py-print cz py-print bz py-print ar� z3.*\nlocal 'c' = 3\nlocal 'b' = 2\nlocal 'a' = 1\n.*r� r� r r r �test_print_after_up� s ��z PyPrintTests.test_print_after_upc C s& | j | �� ddgd�}| �|d� d S )Nr� zpy-print __name__r� z&.*\nglobal '__name__' = '__main__'\n.*r� r� r r r �test_printing_global� s ��z!PyPrintTests.test_printing_globalc C s& | j | �� ddgd�}| �|d� d S )Nr� z py-print lenr� zV.*\nbuiltin 'len' = <built-in method len of module object at remote 0x-?[0-9a-f]+>\n.*r� r� r r r �test_printing_builtin� s ��z"PyPrintTests.test_printing_builtinN) ri rj rk r r� r r� r� r� r� r� r� r r r r r� � s" � � � �r� c @ sD e Zd Ze�e� d�dd� �Ze�ed�e�e� d�dd� ��Z dS )� PyLocalsTestsr� c C s& | j | �� ddgd�}| �|d� d S )Nr� � 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