From 5e844763252820546b62bea0c89f42759ff4eaa4 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 31 Oct 2023 16:41:49 -0700
Subject: [PATCH] Fix test_generated_cases.py by stripping preprocessor
 prefix/suffix

---
 Lib/test/test_generated_cases.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Lib/test/test_generated_cases.py b/Lib/test/test_generated_cases.py
index 475d7492040b7b..ea0c11621a2ca9 100644
--- a/Lib/test/test_generated_cases.py
+++ b/Lib/test/test_generated_cases.py
@@ -118,17 +118,19 @@ def run_cases_test(self, input: str, expected: str):
 
         with open(self.temp_output_filename) as temp_output:
             lines = temp_output.readlines()
-            while lines and lines[0].startswith("// "):
+            while lines and lines[0].startswith(("// ", "#", "    #", "\n")):
                 lines.pop(0)
+            while lines and lines[-1].startswith(("#", "\n")):
+                lines.pop(-1)
         actual = "".join(lines)
-        # if actual.rstrip() != expected.rstrip():
+        # if actual.strip() != expected.strip():
         #     print("Actual:")
         #     print(actual)
         #     print("Expected:")
         #     print(expected)
         #     print("End")
 
-        self.assertEqual(actual.rstrip(), expected.rstrip())
+        self.assertEqual(actual.strip(), expected.strip())
 
     def test_inst_no_args(self):
         input = """