Author: Armin Rigo <ar...@tunes.org>
Branch: 
Changeset: r1289:b3729934bf48
Date: 2013-07-18 22:06 +0200
http://bitbucket.org/cffi/cffi/changeset/b3729934bf48/

Log:    Add three tests about callbacks receiving inlined structure
        arguments

diff --git a/c/test_c.py b/c/test_c.py
--- a/c/test_c.py
+++ b/c/test_c.py
@@ -1230,6 +1230,21 @@
     for i, f in enumerate(flist):
         assert f(-142) == -142 + i
 
+def test_callback_receiving_tiny_struct():
+    BSChar = new_primitive_type("signed char")
+    BInt = new_primitive_type("int")
+    BStruct = new_struct_type("struct foo")
+    BStructPtr = new_pointer_type(BStruct)
+    complete_struct_or_union(BStruct, [('a', BSChar, -1),
+                                       ('b', BSChar, -1)])
+    def cb(s):
+        return s.a + 10 * s.b
+    BFunc = new_function_type((BStruct,), BInt)
+    f = callback(BFunc, cb)
+    p = newp(BStructPtr, [-2, -4])
+    n = f(p[0])
+    assert n == -42
+
 def test_callback_returning_tiny_struct():
     BSChar = new_primitive_type("signed char")
     BInt = new_primitive_type("int")
@@ -1247,6 +1262,22 @@
     assert s.a == -10
     assert s.b == -30
 
+def test_callback_receiving_struct():
+    BSChar = new_primitive_type("signed char")
+    BInt = new_primitive_type("int")
+    BDouble = new_primitive_type("double")
+    BStruct = new_struct_type("struct foo")
+    BStructPtr = new_pointer_type(BStruct)
+    complete_struct_or_union(BStruct, [('a', BSChar, -1),
+                                       ('b', BDouble, -1)])
+    def cb(s):
+        return s.a + int(s.b)
+    BFunc = new_function_type((BStruct,), BInt)
+    f = callback(BFunc, cb)
+    p = newp(BStructPtr, [-2, 44.444])
+    n = f(p[0])
+    assert n == 42
+
 def test_callback_returning_struct():
     BSChar = new_primitive_type("signed char")
     BInt = new_primitive_type("int")
@@ -1266,6 +1297,30 @@
     assert s.a == -10
     assert s.b == 1E-42
 
+def test_callback_receiving_big_struct():
+    BInt = new_primitive_type("int")
+    BStruct = new_struct_type("struct foo")
+    BStructPtr = new_pointer_type(BStruct)
+    complete_struct_or_union(BStruct, [('a', BInt, -1),
+                                       ('b', BInt, -1),
+                                       ('c', BInt, -1),
+                                       ('d', BInt, -1),
+                                       ('e', BInt, -1),
+                                       ('f', BInt, -1),
+                                       ('g', BInt, -1),
+                                       ('h', BInt, -1),
+                                       ('i', BInt, -1),
+                                       ('j', BInt, -1)])
+    def cb(s):
+        for i, name in enumerate("abcdefghij"):
+            assert getattr(s, name) == 13 - i
+        return 42
+    BFunc = new_function_type((BStruct,), BInt)
+    f = callback(BFunc, cb)
+    p = newp(BStructPtr, list(range(13, 3, -1)))
+    n = f(p[0])
+    assert n == 42
+
 def test_callback_returning_big_struct():
     BInt = new_primitive_type("int")
     BStruct = new_struct_type("struct foo")
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