Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.

1 files changed, 15 insertions, 2 deletions

diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 4ea66a488f..da1db1567b 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -473,10 +473,13 @@ if 1:
         self.assertEqual(d, {1: 2, 3: 4})
 
     def test_compile_filename(self):
-        for filename in ('file.py', b'file.py',
-                         bytearray(b'file.py'), memoryview(b'file.py')):
+        for filename in 'file.py', b'file.py':
             code = compile('pass', filename, 'exec')
             self.assertEqual(code.co_filename, 'file.py')
+        for filename in bytearray(b'file.py'), memoryview(b'file.py'):
+            with self.assertWarns(DeprecationWarning):
+                code = compile('pass', filename, 'exec')
+            self.assertEqual(code.co_filename, 'file.py')
         self.assertRaises(TypeError, compile, 'pass', list(b'file.py'), 'exec')
 
     @support.cpython_only
@@ -664,6 +667,16 @@ if 1:
         self.assertTrue(f1(0))
         self.assertTrue(f2(0.0))
 
+    def test_path_like_objects(self):
+        # An implicit test for PyUnicode_FSDecoder().
+        class PathLike:
+            def __init__(self, path):
+                self._path = path
+            def __fspath__(self):
+                return self._path
+
+        compile("42", PathLike("test_compile_pathlike"), "single")
+
 
 class TestStackSize(unittest.TestCase):
     # These tests check that the computed stack size for a code object