Author: Antonio Cuni <anto.c...@gmail.com>
Branch: ffistruct
Changeset: r51265:2a9dd9835199
Date: 2012-01-10 15:15 +0100
http://bitbucket.org/pypy/pypy/changeset/2a9dd9835199/
Log: add a test for converting unsigned long longs
diff --git a/pypy/module/_ffi/test/test_type_converter.py
b/pypy/module/_ffi/test/test_type_converter.py
--- a/pypy/module/_ffi/test/test_type_converter.py
+++ b/pypy/module/_ffi/test/test_type_converter.py
@@ -1,6 +1,6 @@
import sys
from pypy.conftest import gettestobjspace
-from pypy.rlib.rarithmetic import r_uint, r_singlefloat, r_longlong
+from pypy.rlib.rarithmetic import r_uint, r_singlefloat, r_longlong,
r_ulonglong
from pypy.rlib.libffi import IS_32_BIT
from pypy.module._ffi.interp_ffitype import app_types, descr_new_pointer
from pypy.module._ffi.type_converter import FromAppLevelConverter,
ToAppLevelConverter
@@ -71,6 +71,19 @@
expected = r_longlong(expected)
self.check(app_types.slonglong, space.wrap(maxint32+1), expected)
+ def test_unsigned_longlong(self):
+ space = self.space
+ maxint64 = 9223372036854775807 # maxint64+1 does not fit into a
+ # longlong, but it does into a
+ # ulonglong
+ if IS_32_BIT:
+ # internally, the type converter always casts to signed longlongs
+ expected = r_longlong(-maxint64-1)
+ else:
+ # on 64 bit, ulonglong == uint (i.e., unsigned long in C terms)
+ expected = r_uint(maxint64+1)
+ self.check(app_types.ulonglong, space.wrap(maxint64+1), expected)
+
def test_float_and_double(self):
space = self.space
self.check(app_types.float, space.wrap(12.34), r_singlefloat(12.34))
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