diff options
Diffstat (limited to 'Lib/test/test_codecs.py')
-rw-r--r-- | Lib/test/test_codecs.py | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/Lib/test/test_codecs.py b/Lib/test/test_codecs.py index 05843c5..027a84e 100644 --- a/Lib/test/test_codecs.py +++ b/Lib/test/test_codecs.py @@ -27,6 +27,26 @@ def coding_checker(self, coder): self.assertEqual(coder(input), (expect, len(input))) return check +# On small versions of Windows like Windows IoT or Windows Nano Server not all codepages are present +def is_code_page_present(cp): + from ctypes import POINTER, WINFUNCTYPE, windll, WinError, Structure, WinDLL + from ctypes.wintypes import BOOL, UINT, BYTE, WCHAR, UINT, DWORD + + MAX_LEADBYTES = 12 # 5 ranges, 2 bytes ea., 0 term. + MAX_DEFAULTCHAR = 2 # single or double byte + MAX_PATH = 260 + class CPINFOEXW(ctypes.Structure): + _fields_ = [("MaxCharSize", UINT), + ("DefaultChar", BYTE*MAX_DEFAULTCHAR), + ("LeadByte", BYTE*MAX_LEADBYTES), + ("UnicodeDefaultChar", WCHAR), + ("CodePage", UINT), + ("CodePageName", WCHAR*MAX_PATH)] + + prototype = WINFUNCTYPE(BOOL, UINT, DWORD, POINTER(CPINFOEXW)) + GetCPInfoEx = prototype(("GetCPInfoExW", WinDLL("kernel32"))) + info = CPINFOEXW() + return GetCPInfoEx(cp, 0, info) class Queue(object): """ @@ -3078,9 +3098,19 @@ class CodePageTest(unittest.TestCase): def test_code_page_decode_flags(self): # Issue #36312: For some code pages (e.g. UTF-7) flags for # MultiByteToWideChar() must be set to 0. + if support.verbose: + sys.stdout.write('\n') for cp in (50220, 50221, 50222, 50225, 50227, 50229, *range(57002, 57011+1), 65000): - self.assertEqual(codecs.code_page_decode(cp, b'abc'), ('abc', 3)) + # On small versions of Windows like Windows IoT + # not all codepages are present. + # A missing codepage causes an OSError exception + # so check for the codepage before decoding + if is_code_page_present(cp): + self.assertEqual(codecs.code_page_decode(cp, b'abc'), ('abc', 3), f'cp{cp}') + else: + if support.verbose: + print(f" skipping cp={cp}") self.assertEqual(codecs.code_page_decode(42, b'abc'), ('\uf061\uf062\uf063', 3)) |