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rc
Csd
S)a#This tests the custom displayhook for pdb.

    >>> def test_function(foo, bar):
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     pass

    >>> with PdbTestInput([
    ...     'foo',
    ...     'bar',
    ...     'for i in range(5): print(i)',
    ...     'continue',
    ... ]):
    ...     test_function(1, None)
    > <doctest test.test_pdb.test_pdb_displayhook[0]>(3)test_function()
    -> pass
    (Pdb) foo
    1
    (Pdb) bar
    (Pdb) for i in range(5): print(i)
    0
    1
    2
    3
    4
    (Pdb) continue
    Nrrrrr�test_pdb_displayhook!src
Csd
S)aVTest the basic commands of pdb.

    >>> def test_function_2(foo, bar='default'):
    ...     print(foo)
    ...     for i in range(5):
    ...         print(i)
    ...     print(bar)
    ...     for i in range(10):
    ...         never_executed
    ...     print('after for')
    ...     print('...')
    ...     return foo.upper()

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     ret = test_function_2('baz')
    ...     print(ret)

    >>> with PdbTestInput([  # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
    ...     'step',       # entering the function call
    ...     'args',       # display function args
    ...     'list',       # list function source
    ...     'bt',         # display backtrace
    ...     'up',         # step up to test_function()
    ...     'down',       # step down to test_function_2() again
    ...     'next',       # stepping to print(foo)
    ...     'next',       # stepping to the for loop
    ...     'step',       # stepping into the for loop
    ...     'until',      # continuing until out of the for loop
    ...     'next',       # executing the print(bar)
    ...     'jump 8',     # jump over second for loop
    ...     'return',     # return out of function
    ...     'retval',     # display return value
    ...     'continue',
    ... ]):
    ...    test_function()
    > <doctest test.test_pdb.test_pdb_basic_commands[1]>(3)test_function()
    -> ret = test_function_2('baz')
    (Pdb) step
    --Call--
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2()
    -> def test_function_2(foo, bar='default'):
    (Pdb) args
    foo = 'baz'
    bar = 'default'
    (Pdb) list
      1  ->     def test_function_2(foo, bar='default'):
      2             print(foo)
      3             for i in range(5):
      4                 print(i)
      5             print(bar)
      6             for i in range(10):
      7                 never_executed
      8             print('after for')
      9             print('...')
     10             return foo.upper()
    [EOF]
    (Pdb) bt
    ...
      <doctest test.test_pdb.test_pdb_basic_commands[2]>(18)<module>()
    -> test_function()
      <doctest test.test_pdb.test_pdb_basic_commands[1]>(3)test_function()
    -> ret = test_function_2('baz')
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2()
    -> def test_function_2(foo, bar='default'):
    (Pdb) up
    > <doctest test.test_pdb.test_pdb_basic_commands[1]>(3)test_function()
    -> ret = test_function_2('baz')
    (Pdb) down
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2()
    -> def test_function_2(foo, bar='default'):
    (Pdb) next
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(2)test_function_2()
    -> print(foo)
    (Pdb) next
    baz
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(3)test_function_2()
    -> for i in range(5):
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(4)test_function_2()
    -> print(i)
    (Pdb) until
    0
    1
    2
    3
    4
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(5)test_function_2()
    -> print(bar)
    (Pdb) next
    default
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(6)test_function_2()
    -> for i in range(10):
    (Pdb) jump 8
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(8)test_function_2()
    -> print('after for')
    (Pdb) return
    after for
    ...
    --Return--
    > <doctest test.test_pdb.test_pdb_basic_commands[0]>(10)test_function_2()->'BAZ'
    -> return foo.upper()
    (Pdb) retval
    'BAZ'
    (Pdb) continue
    BAZ
    Nrrrrr�test_pdb_basic_commands>src
Csd
S)aZTest basic commands related to breakpoints.

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     print(1)
    ...     print(2)
    ...     print(3)
    ...     print(4)

    First, need to clear bdb state that might be left over from previous tests.
    Otherwise, the new breakpoints might get assigned different numbers.

    >>> from bdb import Breakpoint
    >>> Breakpoint.next = 1
    >>> Breakpoint.bplist = {}
    >>> Breakpoint.bpbynumber = [None]

    Now test the breakpoint commands.  NORMALIZE_WHITESPACE is needed because
    the breakpoint list outputs a tab for the "stop only" and "ignore next"
    lines, which we don't want to put in here.

    >>> with PdbTestInput([  # doctest: +NORMALIZE_WHITESPACE
    ...     'break 3',
    ...     'disable 1',
    ...     'ignore 1 10',
    ...     'condition 1 1 < 2',
    ...     'break 4',
    ...     'break 4',
    ...     'break',
    ...     'clear 3',
    ...     'break',
    ...     'condition 1',
    ...     'enable 1',
    ...     'clear 1',
    ...     'commands 2',
    ...     'p "42"',
    ...     'print("42", 7*6)',     # Issue 18764 (not about breakpoints)
    ...     'end',
    ...     'continue',  # will stop at breakpoint 2 (line 4)
    ...     'clear',     # clear all!
    ...     'y',
    ...     'tbreak 5',
    ...     'continue',  # will stop at temporary breakpoint
    ...     'break',     # make sure breakpoint is gone
    ...     'continue',
    ... ]):
    ...    test_function()
    > <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(3)test_function()
    -> print(1)
    (Pdb) break 3
    Breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
    (Pdb) disable 1
    Disabled breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
    (Pdb) ignore 1 10
    Will ignore next 10 crossings of breakpoint 1.
    (Pdb) condition 1 1 < 2
    New condition set for breakpoint 1.
    (Pdb) break 4
    Breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
    (Pdb) break 4
    Breakpoint 3 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
    (Pdb) break
    Num Type         Disp Enb   Where
    1   breakpoint   keep no    at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
            stop only if 1 < 2
            ignore next 10 hits
    2   breakpoint   keep yes   at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
    3   breakpoint   keep yes   at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
    (Pdb) clear 3
    Deleted breakpoint 3 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
    (Pdb) break
    Num Type         Disp Enb   Where
    1   breakpoint   keep no    at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
            stop only if 1 < 2
            ignore next 10 hits
    2   breakpoint   keep yes   at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
    (Pdb) condition 1
    Breakpoint 1 is now unconditional.
    (Pdb) enable 1
    Enabled breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
    (Pdb) clear 1
    Deleted breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
    (Pdb) commands 2
    (com) p "42"
    (com) print("42", 7*6)
    (com) end
    (Pdb) continue
    1
    '42'
    42 42
    > <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(4)test_function()
    -> print(2)
    (Pdb) clear
    Clear all breaks? y
    Deleted breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
    (Pdb) tbreak 5
    Breakpoint 4 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:5
    (Pdb) continue
    2
    Deleted breakpoint 4 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:5
    > <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(5)test_function()
    -> print(3)
    (Pdb) break
    (Pdb) continue
    3
    4
    Nrrrrr�test_pdb_breakpoint_commands�src
CsdS)
Nrrrrr�
do_nothing
s
rcCstd
�

dS)N�*)
�printrrrr�do_something
s
rc
Csd
S)a�Test the list and source commands of pdb.

    >>> def test_function_2(foo):
    ...     import test.test_pdb
    ...     test.test_pdb.do_nothing()
    ...     'some...'
    ...     'more...'
    ...     'code...'
    ...     'to...'
    ...     'make...'
    ...     'a...'
    ...     'long...'
    ...     'listing...'
    ...     'useful...'
    ...     '...'
    ...     '...'
    ...     return foo

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     ret = test_function_2('baz')

    >>> with PdbTestInput([  # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
    ...     'list',      # list first function
    ...     'step',      # step into second function
    ...     'list',      # list second function
    ...     'list',      # continue listing to EOF
    ...     'list 1,3',  # list specific lines
    ...     'list x',    # invalid argument
    ...     'next',      # step to import
    ...     'next',      # step over import
    ...     'step',      # step into do_nothing
    ...     'longlist',  # list all lines
    ...     'source do_something',  # list all lines of function
    ...     'source fooxxx',        # something that doesn't exit
    ...     'continue',
    ... ]):
    ...    test_function()
    > <doctest test.test_pdb.test_list_commands[1]>(3)test_function()
    -> ret = test_function_2('baz')
    (Pdb) list
      1         def test_function():
      2             import pdb; pdb.Pdb(nosigint=True).set_trace()
      3  ->         ret = test_function_2('baz')
    [EOF]
    (Pdb) step
    --Call--
    > <doctest test.test_pdb.test_list_commands[0]>(1)test_function_2()
    -> def test_function_2(foo):
    (Pdb) list
      1  ->     def test_function_2(foo):
      2             import test.test_pdb
      3             test.test_pdb.do_nothing()
      4             'some...'
      5             'more...'
      6             'code...'
      7             'to...'
      8             'make...'
      9             'a...'
     10             'long...'
     11             'listing...'
    (Pdb) list
     12             'useful...'
     13             '...'
     14             '...'
     15             return foo
    [EOF]
    (Pdb) list 1,3
      1  ->     def test_function_2(foo):
      2             import test.test_pdb
      3             test.test_pdb.do_nothing()
    (Pdb) list x
    *** ...
    (Pdb) next
    > <doctest test.test_pdb.test_list_commands[0]>(2)test_function_2()
    -> import test.test_pdb
    (Pdb) next
    > <doctest test.test_pdb.test_list_commands[0]>(3)test_function_2()
    -> test.test_pdb.do_nothing()
    (Pdb) step
    --Call--
    > ...test_pdb.py(...)do_nothing()
    -> def do_nothing():
    (Pdb) longlist
    ...  ->     def do_nothing():
    ...             pass
    (Pdb) source do_something
    ...         def do_something():
    ...             print(42)
    (Pdb) source fooxxx
    *** ...
    (Pdb) continue
    Nrrrrr�test_list_commands 
src
Csd
S)asTest post mortem traceback debugging.

    >>> def test_function_2():
    ...     try:
    ...         1/0
    ...     finally:
    ...         print('Exception!')

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     test_function_2()
    ...     print('Not reached.')

    >>> with PdbTestInput([  # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
    ...     'next',      # step over exception-raising call
    ...     'bt',        # get a backtrace
    ...     'list',      # list code of test_function()
    ...     'down',      # step into test_function_2()
    ...     'list',      # list code of test_function_2()
    ...     'continue',
    ... ]):
    ...    try:
    ...        test_function()
    ...    except ZeroDivisionError:
    ...        print('Correctly reraised.')
    > <doctest test.test_pdb.test_post_mortem[1]>(3)test_function()
    -> test_function_2()
    (Pdb) next
    Exception!
    ZeroDivisionError: division by zero
    > <doctest test.test_pdb.test_post_mortem[1]>(3)test_function()
    -> test_function_2()
    (Pdb) bt
    ...
      <doctest test.test_pdb.test_post_mortem[2]>(10)<module>()
    -> test_function()
    > <doctest test.test_pdb.test_post_mortem[1]>(3)test_function()
    -> test_function_2()
      <doctest test.test_pdb.test_post_mortem[0]>(3)test_function_2()
    -> 1/0
    (Pdb) list
      1         def test_function():
      2             import pdb; pdb.Pdb(nosigint=True).set_trace()
      3  ->         test_function_2()
      4             print('Not reached.')
    [EOF]
    (Pdb) down
    > <doctest test.test_pdb.test_post_mortem[0]>(3)test_function_2()
    -> 1/0
    (Pdb) list
      1         def test_function_2():
      2             try:
      3  >>             1/0
      4             finally:
      5  ->             print('Exception!')
    [EOF]
    (Pdb) continue
    Correctly reraised.
    Nrrrrr�test_post_mortem�
sr c
Csd
S)aMThis illustrates the simple case of module skipping.

    >>> def skip_module():
    ...     import string
    ...     import pdb; pdb.Pdb(skip=['stri*'], nosigint=True).set_trace()
    ...     string.capwords('FOO')

    >>> with PdbTestInput([
    ...     'step',
    ...     'continue',
    ... ]):
    ...     skip_module()
    > <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()
    -> string.capwords('FOO')
    (Pdb) step
    --Return--
    > <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()->None
    -> string.capwords('FOO')
    (Pdb) continue
    Nrrrrr�test_pdb_skip_modules�
sr!Zmodule_to_skipz6def foo_pony(callback): x = 1; callback(); return Nonec
Csd
S)a3This illustrates skipping of modules that call into other code.

    >>> def skip_module():
    ...     def callback():
    ...         return None
    ...     import pdb; pdb.Pdb(skip=['module_to_skip*'], nosigint=True).set_trace()
    ...     mod.foo_pony(callback)

    >>> with PdbTestInput([
    ...     'step',
    ...     'step',
    ...     'step',
    ...     'step',
    ...     'step',
    ...     'continue',
    ... ]):
    ...     skip_module()
    ...     pass  # provides something to "step" to
    > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()
    -> mod.foo_pony(callback)
    (Pdb) step
    --Call--
    > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(2)callback()
    -> def callback():
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()
    -> return None
    (Pdb) step
    --Return--
    > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()->None
    -> return None
    (Pdb) step
    --Return--
    > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()->None
    -> mod.foo_pony(callback)
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[1]>(10)<module>()
    -> pass  # provides something to "step" to
    (Pdb) continue
    Nrrrrr�#test_pdb_skip_modules_with_callback�
sr"c
Csd
S)a�Test that "continue" and "next" work properly in bottom frame (issue #5294).

    >>> def test_function():
    ...     import pdb, sys; inst = pdb.Pdb(nosigint=True)
    ...     inst.set_trace()
    ...     inst.botframe = sys._getframe()  # hackery to get the right botframe
    ...     print(1)
    ...     print(2)
    ...     print(3)
    ...     print(4)

    >>> with PdbTestInput([  # doctest: +ELLIPSIS
    ...     'next',
    ...     'break 7',
    ...     'continue',
    ...     'next',
    ...     'continue',
    ...     'continue',
    ... ]):
    ...    test_function()
    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(4)test_function()
    -> inst.botframe = sys._getframe()  # hackery to get the right botframe
    (Pdb) next
    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(5)test_function()
    -> print(1)
    (Pdb) break 7
    Breakpoint ... at <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>:7
    (Pdb) continue
    1
    2
    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(7)test_function()
    -> print(3)
    (Pdb) next
    3
    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(8)test_function()
    -> print(4)
    (Pdb) continue
    4
    Nrrrrr� test_pdb_continue_in_bottomframesr#cCs/d
dl}t
|jdd�
|�|
�

dS)zRun pdb.method(arg).r
NZnosigintT)�pdb�getattrZPdb)�method�argr$rrr�
pdb_invoke/s
r(c
Csd
S)a�
Testing run and runeval with incorrect first argument.

    >>> pti = PdbTestInput(['continue',])
    >>> with pti:
    ...     pdb_invoke('run', lambda x: x)
    Traceback (most recent call last):
    TypeError: exec() arg 1 must be a string, bytes or code object

    >>> with pti:
    ...     pdb_invoke('runeval', lambda x: x)
    Traceback (most recent call last):
    TypeError: eval() arg 1 must be a string, bytes or code object
    Nrrrrr�$test_pdb_run_with_incorrect_argument5sr)c
Csd
S)a Testing run and runeval with code object as a first argument.

    >>> with PdbTestInput(['step','x', 'continue']):  # doctest: +ELLIPSIS
    ...     pdb_invoke('run', compile('x=1', '<string>', 'exec'))
    > <string>(1)<module>()...
    (Pdb) step
    --Return--
    > <string>(1)<module>()->None
    (Pdb) x
    1
    (Pdb) continue

    >>> with PdbTestInput(['x', 'continue']):
    ...     x=0
    ...     pdb_invoke('runeval', compile('x+1', '<string>', 'eval'))
    > <string>(1)<module>()->None
    (Pdb) x
    1
    (Pdb) continue
    Nrrrrr�test_pdb_run_with_code_objectEsr*c
Csd
S)a	Test that pdb stops after a next/until/return issued at a return debug event.

    >>> def test_function_2():
    ...     x = 1
    ...     x = 2

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     test_function_2()
    ...     test_function_2()
    ...     test_function_2()
    ...     end = 1

    >>> from bdb import Breakpoint
    >>> Breakpoint.next = 1
    >>> with PdbTestInput(['break test_function_2',
    ...                    'continue',
    ...                    'return',
    ...                    'next',
    ...                    'continue',
    ...                    'return',
    ...                    'until',
    ...                    'continue',
    ...                    'return',
    ...                    'return',
    ...                    'continue']):
    ...     test_function()
    > <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(3)test_function()
    -> test_function_2()
    (Pdb) break test_function_2
    Breakpoint 1 at <doctest test.test_pdb.test_next_until_return_at_return_event[0]>:1
    (Pdb) continue
    > <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(2)test_function_2()
    -> x = 1
    (Pdb) return
    --Return--
    > <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(3)test_function_2()->None
    -> x = 2
    (Pdb) next
    > <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(4)test_function()
    -> test_function_2()
    (Pdb) continue
    > <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(2)test_function_2()
    -> x = 1
    (Pdb) return
    --Return--
    > <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(3)test_function_2()->None
    -> x = 2
    (Pdb) until
    > <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(5)test_function()
    -> test_function_2()
    (Pdb) continue
    > <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(2)test_function_2()
    -> x = 1
    (Pdb) return
    --Return--
    > <doctest test.test_pdb.test_next_until_return_at_return_event[0]>(3)test_function_2()->None
    -> x = 2
    (Pdb) return
    > <doctest test.test_pdb.test_next_until_return_at_return_event[1]>(6)test_function()
    -> end = 1
    (Pdb) continue
    Nrrrrr�&test_next_until_return_at_return_event[sr+c
Csd
S)aJTesting skip unwindng stack on yield for generators for "next" command

    >>> def test_gen():
    ...     yield 0
    ...     return 1
    ...     yield 2

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     it = test_gen()
    ...     try:
    ...         if next(it) != 0:
    ...             raise AssertionError
    ...         next(it)
    ...     except StopIteration as ex:
    ...         if ex.value != 1:
    ...             raise AssertionError
    ...     print("finished")

    >>> with PdbTestInput(['step',
    ...                    'step',
    ...                    'step',
    ...                    'next',
    ...                    'next',
    ...                    'step',
    ...                    'step',
    ...                    'continue']):
    ...     test_function()
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(3)test_function()
    -> it = test_gen()
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(4)test_function()
    -> try:
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(5)test_function()
    -> if next(it) != 0:
    (Pdb) step
    --Call--
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(1)test_gen()
    -> def test_gen():
    (Pdb) next
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(2)test_gen()
    -> yield 0
    (Pdb) next
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(3)test_gen()
    -> return 1
    (Pdb) step
    --Return--
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[0]>(3)test_gen()->1
    -> return 1
    (Pdb) step
    StopIteration: 1
    > <doctest test.test_pdb.test_pdb_next_command_for_generator[1]>(7)test_function()
    -> next(it)
    (Pdb) continue
    finished
    Nrrrrr�#test_pdb_next_command_for_generator�sr,c
Csd
S)a�Testing no unwindng stack on yield for generators
       for "return" command

    >>> def test_gen():
    ...     yield 0
    ...     return 1
    ...     yield 2

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     it = test_gen()
    ...     try:
    ...         if next(it) != 0:
    ...             raise AssertionError
    ...         next(it)
    ...     except StopIteration as ex:
    ...         if ex.value != 1:
    ...             raise AssertionError
    ...     print("finished")

    >>> with PdbTestInput(['step',
    ...                    'step',
    ...                    'step',
    ...                    'return',
    ...                    'step',
    ...                    'step',
    ...                    'continue']):
    ...     test_function()
    > <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(3)test_function()
    -> it = test_gen()
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(4)test_function()
    -> try:
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(5)test_function()
    -> if next(it) != 0:
    (Pdb) step
    --Call--
    > <doctest test.test_pdb.test_pdb_return_command_for_generator[0]>(1)test_gen()
    -> def test_gen():
    (Pdb) return
    StopIteration: 1
    > <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(7)test_function()
    -> next(it)
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(8)test_function()
    -> except StopIteration as ex:
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_return_command_for_generator[1]>(9)test_function()
    -> if ex.value != 1:
    (Pdb) continue
    finished
    Nrrrrr�%test_pdb_return_command_for_generator�sr-c
Csd
S)a�Testing no unwindng stack on yield for generators
       for "until" command if target breakpoing is not reached

    >>> def test_gen():
    ...     yield 0
    ...     yield 1
    ...     yield 2

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     for i in test_gen():
    ...         print(i)
    ...     print("finished")

    >>> with PdbTestInput(['step',
    ...                    'until 4',
    ...                    'step',
    ...                    'step',
    ...                    'continue']):
    ...     test_function()
    > <doctest test.test_pdb.test_pdb_until_command_for_generator[1]>(3)test_function()
    -> for i in test_gen():
    (Pdb) step
    --Call--
    > <doctest test.test_pdb.test_pdb_until_command_for_generator[0]>(1)test_gen()
    -> def test_gen():
    (Pdb) until 4
    0
    1
    > <doctest test.test_pdb.test_pdb_until_command_for_generator[0]>(4)test_gen()
    -> yield 2
    (Pdb) step
    --Return--
    > <doctest test.test_pdb.test_pdb_until_command_for_generator[0]>(4)test_gen()->2
    -> yield 2
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_until_command_for_generator[1]>(4)test_function()
    -> print(i)
    (Pdb) continue
    2
    finished
    Nrrrrr�$test_pdb_until_command_for_generatorsr.c
Csd
S)alThe next command on returning from a generator controlled by a for loop.

    >>> def test_gen():
    ...     yield 0
    ...     return 1

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     for i in test_gen():
    ...         print('value', i)
    ...     x = 123

    >>> with PdbTestInput(['break test_gen',
    ...                    'continue',
    ...                    'next',
    ...                    'next',
    ...                    'next',
    ...                    'continue']):
    ...     test_function()
    > <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[1]>(3)test_function()
    -> for i in test_gen():
    (Pdb) break test_gen
    Breakpoint 6 at <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[0]>:1
    (Pdb) continue
    > <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[0]>(2)test_gen()
    -> yield 0
    (Pdb) next
    value 0
    > <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[0]>(3)test_gen()
    -> return 1
    (Pdb) next
    Internal StopIteration: 1
    > <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[1]>(3)test_function()
    -> for i in test_gen():
    (Pdb) next
    > <doctest test.test_pdb.test_pdb_next_command_in_generator_for_loop[1]>(5)test_function()
    -> x = 123
    (Pdb) continue
    Nrrrrr�+test_pdb_next_command_in_generator_for_loop:sr/c
Csd
S)a�The next command in a generator with a subiterator.

    >>> def test_subgenerator():
    ...     yield 0
    ...     return 1

    >>> def test_gen():
    ...     x = yield from test_subgenerator()
    ...     return x

    >>> def test_function():
    ...     import pdb; pdb.Pdb(nosigint=True).set_trace()
    ...     for i in test_gen():
    ...         print('value', i)
    ...     x = 123

    >>> with PdbTestInput(['step',
    ...                    'step',
    ...                    'next',
    ...                    'next',
    ...                    'next',
    ...                    'continue']):
    ...     test_function()
    > <doctest test.test_pdb.test_pdb_next_command_subiterator[2]>(3)test_function()
    -> for i in test_gen():
    (Pdb) step
    --Call--
    > <doctest test.test_pdb.test_pdb_next_command_subiterator[1]>(1)test_gen()
    -> def test_gen():
    (Pdb) step
    > <doctest test.test_pdb.test_pdb_next_command_subiterator[1]>(2)test_gen()
    -> x = yield from test_subgenerator()
    (Pdb) next
    value 0
    > <doctest test.test_pdb.test_pdb_next_command_subiterator[1]>(3)test_gen()
    -> return x
    (Pdb) next
    Internal StopIteration: 1
    > <doctest test.test_pdb.test_pdb_next_command_subiterator[2]>(3)test_function()
    -> for i in test_gen():
    (Pdb) next
    > <doctest test.test_pdb.test_pdb_next_command_subiterator[2]>(5)test_function()
    -> x = 123
    (Pdb) continue
    Nrrrrr�!test_pdb_next_command_subiteratorcsr0c
Csd
S)a(Test for reference leaks when the SIGINT handler is set.

    >>> def test_function():
    ...     i = 1
    ...     while i <= 2:
    ...         sess = pdb.Pdb()
    ...         sess.set_trace(sys._getframe())
    ...         print('pdb %d: %s' % (i, sess._previous_sigint_handler))
    ...         i += 1

    >>> with PdbTestInput(['continue',
    ...                    'continue']):
    ...     test_function()
    > <doctest test.test_pdb.test_pdb_issue_20766[0]>(6)test_function()
    -> print('pdb %d: %s' % (i, sess._previous_sigint_handler))
    (Pdb) continue
    pdb 1: <built-in function default_int_handler>
    > <doctest test.test_pdb.test_pdb_issue_20766[0]>(5)test_function()
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