Author: Armin Rigo <[email protected]>
Branch: ffi-backend
Changeset: r55832:72a2477ea574
Date: 2012-06-26 15:32 +0200
http://bitbucket.org/pypy/pypy/changeset/72a2477ea574/
Log: Update from cffi.
diff --git a/pypy/module/_ffi_backend/test/_backend_test_c.py
b/pypy/module/_ffi_backend/test/_backend_test_c.py
--- a/pypy/module/_ffi_backend/test/_backend_test_c.py
+++ b/pypy/module/_ffi_backend/test/_backend_test_c.py
@@ -811,17 +811,37 @@
def cb(n):
return n + 1
BFunc = new_function_type((BInt,), BInt, False)
- return callback(BFunc, cb) # 'cb' and 'BFunc' go out of scope
+ return callback(BFunc, cb, 42) # 'cb' and 'BFunc' go out of scope
f = make_callback()
assert f(-142) == -141
+def test_callback_return_type():
+ for rettype in ["signed char", "short", "int", "long", "long long",
+ "unsigned char", "unsigned short", "unsigned int",
+ "unsigned long", "unsigned long long"]:
+ BRet = new_primitive_type(rettype)
+ def cb(n):
+ return n + 1
+ BFunc = new_function_type((BRet,), BRet)
+ f = callback(BFunc, cb, 42)
+ assert f(41) == 42
+ if rettype.startswith("unsigned "):
+ min = 0
+ max = (1 << (8*sizeof(BRet))) - 1
+ else:
+ min = -(1 << (8*sizeof(BRet)-1))
+ max = (1 << (8*sizeof(BRet)-1)) - 1
+ assert f(min) == min + 1
+ assert f(max - 1) == max
+ assert f(max) == 42
+
def test_a_lot_of_callbacks():
BInt = new_primitive_type("int")
def make_callback(m):
def cb(n):
return n + m
BFunc = new_function_type((BInt,), BInt, False)
- return callback(BFunc, cb) # 'cb' and 'BFunc' go out of scope
+ return callback(BFunc, cb, 42) # 'cb' and 'BFunc' go out of scope
#
flist = [make_callback(i) for i in range(10000)]
for i, f in enumerate(flist):
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