def test_auto_struct_creation(self):
"Structs from method signatures are created automatically."
Example = ObjCClass('Example')
types.unregister_encoding_all(b'{simple=ii}')
types.unregister_encoding_all(b'{simple}')
types.unregister_encoding_all(b'{complex=[4s]^?{simple=ii}^{complex}}')
types.unregister_encoding_all(b'{complex}')
# Look up the method, so the return/argument types are decoded and the structs are registered.
Example.doStuffWithStruct_
struct_simple = types.ctype_for_encoding(b'{simple=ii}')
self.assertEqual(struct_simple, types.ctype_for_encoding(b'{simple}'))
simple = struct_simple(123, 456)
ret = Example.doStuffWithStruct_(simple)
struct_complex = types.ctype_for_encoding(
b'{complex=[4s]^?{simple=ii}^{complex}}')
self.assertIsInstance(ret, struct_complex)
self.assertEqual(struct_complex,
types.ctype_for_encoding(b'{complex}'))
self.assertEqual(list(ret.field_0), [1, 2, 3, 4])
self.assertEqual(ret.field_1.value, None)
self.assertEqual(ret.field_2.field_0, 123)
self.assertEqual(ret.field_2.field_1, 456)
self.assertEqual(cast(ret.field_3, c_void_p).value, None)
def test_auto_struct_creation(self):
"Structs from method signatures are created automatically."
Example = ObjCClass('Example')
types.unregister_encoding_all(b'{simple=ii}')
types.unregister_encoding_all(b'{simple}')
types.unregister_encoding_all(b'{complex=[4s]^?{simple=ii}^{complex}b8b16b8}')
types.unregister_encoding_all(b'{complex}')
# Look up the method, so the return/argument types are decoded and the structs are registered.
Example.doStuffWithStruct_
struct_simple = types.ctype_for_encoding(b'{simple=ii}')
self.assertEqual(struct_simple, types.ctype_for_encoding(b'{simple}'))
simple = struct_simple(123, 456)
ret = Example.doStuffWithStruct_(simple)
struct_complex = types.ctype_for_encoding(b'{complex=[4s]^?{simple=ii}^{complex}b8b16b8}')
self.assertIsInstance(ret, struct_complex)
self.assertEqual(struct_complex, types.ctype_for_encoding(b'{complex}'))
self.assertEqual(list(ret.field_0), [1, 2, 3, 4])
self.assertEqual(ret.field_1.value, None)
self.assertEqual(ret.field_2.field_0, 123)
self.assertEqual(ret.field_2.field_1, 456)
self.assertEqual(cast(ret.field_3, c_void_p).value, None)
self.assertEqual(ret.field_4, 0)
self.assertEqual(ret.field_5, 1)
self.assertEqual(ret.field_6, 2)
def test_sequence_arg_to_struct(self):
"Sequence arguments are converted to structures."
Example = ObjCClass('Example')
ret = Example.extractSimpleStruct(([9, 8, 7, 6], None, (987, 654), None, 0, 0, 0))
struct_simple = types.ctype_for_encoding(b'{simple=ii}')
self.assertIsInstance(ret, struct_simple)
self.assertEqual(ret.field_0, 987)
self.assertEqual(ret.field_1, 654)
def test_sequence_arg_to_struct(self):
"Sequence arguments are converted to structures."
Example = ObjCClass('Example')
ret = Example.extractSimpleStruct(([9, 8, 7, 6], None, (987, 654), None))
struct_simple = types.ctype_for_encoding(b'{simple=ii}')
self.assertIsInstance(ret, struct_simple)
self.assertEqual(ret.field_0, 987)
self.assertEqual(ret.field_1, 654)
