1 files changed, 27 insertions, 0 deletions
diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py
index 03d9b31..896eb5b 100644
--- a/Lib/test/test_ast.py
+++ b/Lib/test/test_ast.py
@@ -335,6 +335,33 @@ class AST_Tests(unittest.TestCase):
         for snippet in snippets_to_validate:
             tree = ast.parse(snippet)
             compile(tree, '<string>', 'exec')
+    
+    def test_invalid_position_information(self):
+        invalid_linenos = [
+            (10, 1), (-10, -11), (10, -11), (-5, -2), (-5, 1)
+        ]
+
+        for lineno, end_lineno in invalid_linenos:
+            with self.subTest(f"Check invalid linenos {lineno}:{end_lineno}"):
+                snippet = "a = 1"
+                tree = ast.parse(snippet)
+                tree.body[0].lineno = lineno
+                tree.body[0].end_lineno = end_lineno
+                with self.assertRaises(ValueError):
+                    compile(tree, '<string>', 'exec')
+
+        invalid_col_offsets = [
+            (10, 1), (-10, -11), (10, -11), (-5, -2), (-5, 1)
+        ]
+        for col_offset, end_col_offset in invalid_col_offsets:
+            with self.subTest(f"Check invalid col_offset {col_offset}:{end_col_offset}"):
+                snippet = "a = 1"
+                tree = ast.parse(snippet)
+                tree.body[0].col_offset = col_offset
+                tree.body[0].end_col_offset = end_col_offset
+                with self.assertRaises(ValueError):
+                    compile(tree, '<string>', 'exec')
+
 
     def test_slice(self):
         slc = ast.parse("x[::]").body[0].value.slice