gh-103068: Check condition expression of breakpoints for pdb (#103069)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Artem Mukhin <ortem00@gmail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index ae9c5d7..de2bab4 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -240,9 +240,11 @@ def test_pdb_breakpoint_commands():
 
     >>> with PdbTestInput([  # doctest: +NORMALIZE_WHITESPACE
     ...     'break 3',
+    ...     'break 4, +',
     ...     'disable 1',
     ...     'ignore 1 10',
     ...     'condition 1 1 < 2',
+    ...     'condition 1 1 <',
     ...     'break 4',
     ...     'break 4',
     ...     'break',
@@ -264,6 +266,8 @@ def test_pdb_breakpoint_commands():
     ...     'commands 10',  # out of range
     ...     'commands a',   # display help
     ...     'commands 4',   # already deleted
+    ...     'break 6, undefined', # condition causing `NameError` during evaluation
+    ...     'continue', # will stop, ignoring runtime error
     ...     'continue',
     ... ]):
     ...    test_function()
@@ -271,12 +275,16 @@ def test_pdb_breakpoint_commands():
     -> print(1)
     (Pdb) break 3
     Breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
+    (Pdb) break 4, +
+    *** Invalid condition +: SyntaxError: invalid syntax
     (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) condition 1 1 <
+    *** Invalid condition 1 <: SyntaxError: invalid syntax
     (Pdb) break 4
     Breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
     (Pdb) break 4
@@ -331,8 +339,13 @@ def test_pdb_breakpoint_commands():
             end
     (Pdb) commands 4
     *** cannot set commands: Breakpoint 4 already deleted
+    (Pdb) break 6, undefined
+    Breakpoint 5 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:6
     (Pdb) continue
     3
+    > <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(6)test_function()
+    -> print(4)
+    (Pdb) continue
     4
     """
 
@@ -597,13 +610,14 @@ def test_pdb_display_command():
     ...     'undisplay',
     ...     'display a < 1',
     ...     'n',
+    ...     'display undefined',
     ...     'continue',
     ... ]):
     ...    test_function()
     > <doctest test.test_pdb.test_pdb_display_command[0]>(4)test_function()
     -> a = 1
     (Pdb) display +
-    Unable to display +: ** raised SyntaxError: invalid syntax **
+    *** Unable to display +: SyntaxError: invalid syntax
     (Pdb) display
     No expression is being displayed
     (Pdb) display a
@@ -627,6 +641,8 @@ def test_pdb_display_command():
     (Pdb) n
     > <doctest test.test_pdb.test_pdb_display_command[0]>(7)test_function()
     -> a = 4
+    (Pdb) display undefined
+    display undefined: ** raised NameError: name 'undefined' is not defined **
     (Pdb) continue
     """