Add tests.

ZeroIntensity · ZeroIntensity · commit 4f0935862d64 · 2024-12-21T13:26:58.000-05:00
diff --git a/Lib/test/test_faulthandler.py b/Lib/test/test_faulthandler.py
@@ -93,18 +93,20 @@ def check_error(self, code, lineno, fatal_error, *,
                     fd=None, know_current_thread=True,
                     py_fatal_error=False,
                     garbage_collecting=False,
+                    c_stack=True,
                     function='<module>'):
         """
         Check that the fault handler for fatal errors is enabled and check the
         traceback from the child process output.
 
         Raise an error if the output doesn't match the expected format.
         """
+        address_expr = "0x[0-9a-f]+"
         if all_threads:
             if know_current_thread:
-                header = 'Current thread 0x[0-9a-f]+'
+                header = f'Current thread {address_expr}'
             else:
-                header = 'Thread 0x[0-9a-f]+'
+                header = f'Thread {address_expr}'
         else:
             header = 'Stack'
         regex = [f'^{fatal_error}']
@@ -115,6 +117,9 @@ def check_error(self, code, lineno, fatal_error, *,
         if garbage_collecting:
             regex.append('  Garbage-collecting')
         regex.append(fr'  File "<string>", line {lineno} in {function}')
+        if c_stack:
+            regex.append("Current thread's C stack (most recent call first):")
+            regex.append(r"  (\/.+\(\+.+\) \[0x[0-9a-f]+\])|(<.+>)")
         regex = '\n'.join(regex)
 
         if other_regex:
