bpo-36346: Make using the legacy Unicode C API optional (GH-21437)

Add compile time option USE_UNICODE_WCHAR_CACHE. Setting it to 0
makes the interpreter not using the wchar_t cache and the legacy Unicode C API.

1 files changed, 4 insertions, 0 deletions

diff --git a/Lib/test/test_getargs2.py b/Lib/test/test_getargs2.py
index d39ea56..0956019 100644
--- a/Lib/test/test_getargs2.py
+++ b/Lib/test/test_getargs2.py
@@ -976,6 +976,7 @@ class String_TestCase(unittest.TestCase):
         buf = bytearray()
         self.assertRaises(ValueError, getargs_et_hash, 'abc\xe9', 'latin1', buf)
 
+    @support.requires_legacy_unicode_capi
     def test_u(self):
         from _testcapi import getargs_u
         self.assertEqual(getargs_u('abc\xe9'), 'abc\xe9')
@@ -985,6 +986,7 @@ class String_TestCase(unittest.TestCase):
         self.assertRaises(TypeError, getargs_u, memoryview(b'memoryview'))
         self.assertRaises(TypeError, getargs_u, None)
 
+    @support.requires_legacy_unicode_capi
     def test_u_hash(self):
         from _testcapi import getargs_u_hash
         self.assertEqual(getargs_u_hash('abc\xe9'), 'abc\xe9')
@@ -994,6 +996,7 @@ class String_TestCase(unittest.TestCase):
         self.assertRaises(TypeError, getargs_u_hash, memoryview(b'memoryview'))
         self.assertRaises(TypeError, getargs_u_hash, None)
 
+    @support.requires_legacy_unicode_capi
     def test_Z(self):
         from _testcapi import getargs_Z
         self.assertEqual(getargs_Z('abc\xe9'), 'abc\xe9')
@@ -1003,6 +1006,7 @@ class String_TestCase(unittest.TestCase):
         self.assertRaises(TypeError, getargs_Z, memoryview(b'memoryview'))
         self.assertIsNone(getargs_Z(None))
 
+    @support.requires_legacy_unicode_capi
     def test_Z_hash(self):
         from _testcapi import getargs_Z_hash
         self.assertEqual(getargs_Z_hash('abc\xe9'), 'abc\xe9')