Author: Armin Rigo <[email protected]>
Branch: cffi-char16-char32
Changeset: r91515:35d3643b476a
Date: 2017-06-04 23:38 +0200
http://bitbucket.org/pypy/pypy/changeset/35d3643b476a/
Log: Copy failing test from the CPython cffi test suite; fix it (for
16-bit unicode chars)
diff --git a/pypy/module/_cffi_backend/test/test_ffi_obj.py
b/pypy/module/_cffi_backend/test/test_ffi_obj.py
--- a/pypy/module/_cffi_backend/test/test_ffi_obj.py
+++ b/pypy/module/_cffi_backend/test/test_ffi_obj.py
@@ -555,3 +555,11 @@
import _cffi_backend as _cffi1_backend
ffi = _cffi1_backend.FFI()
raises(ffi.error, ffi.cast, "int[-5]", 0)
+
+ def test_char32_t(self):
+ import _cffi_backend as _cffi1_backend
+ ffi = _cffi1_backend.FFI()
+ z = ffi.new("char32_t[]", u'\U00012345')
+ assert len(z) == 2
+ assert ffi.cast("int *", z)[0] == 0x12345
+ assert list(z) == [u'\U00012345', u'\x00'] # maybe a 2-unichars str
diff --git a/pypy/module/_cffi_backend/wchar_helper.py
b/pypy/module/_cffi_backend/wchar_helper.py
--- a/pypy/module/_cffi_backend/wchar_helper.py
+++ b/pypy/module/_cffi_backend/wchar_helper.py
@@ -153,8 +153,9 @@
# we assume here that target_length == unicode_size_as_char32(u).
ptr = rffi.cast(rffi.UINTP, target_ptr)
src_index = 0
+ last_surrogate_pos = len(u) - 2
for i in range(target_length):
- if i < target_length - 1 and is_surrogate(u, src_index):
+ if src_index <= last_surrogate_pos and is_surrogate(u, src_index):
ordinal = as_surrogate(u, src_index)
src_index += 2
else:
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