Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r563:c3e818533793
Date: 2012-06-29 10:49 +0200
http://bitbucket.org/cffi/cffi/changeset/c3e818533793/
Log: Add a passing test about callbacks returning structs.
diff --git a/c/test_c.py b/c/test_c.py
--- a/c/test_c.py
+++ b/c/test_c.py
@@ -878,6 +878,24 @@
for i, f in enumerate(flist):
assert f(-142) == -142 + i
+def test_callback_returning_struct():
+ BSChar = new_primitive_type("signed char")
+ BInt = new_primitive_type("int")
+ BDouble = new_primitive_type("double")
+ BStruct = new_struct_type("foo")
+ BStructPtr = new_pointer_type(BStruct)
+ complete_struct_or_union(BStruct, [('a', BSChar, -1),
+ ('b', BDouble, -1)])
+ def cb(n):
+ return newp(BStructPtr, [-n, 1E-42])[0]
+ BFunc = new_function_type((BInt,), BStruct)
+ f = callback(BFunc, cb)
+ s = f(10)
+ assert typeof(s) is BStruct
+ assert repr(s).startswith("<cdata 'struct foo' owning ")
+ assert s.a == -10
+ assert s.b == 1E-42
+
def test_enum_type():
BEnum = new_enum_type("foo", (), ())
assert repr(BEnum) == "<ctype 'enum foo'>"
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