diff options
Diffstat (limited to 'testing/cffi0/test_ownlib.py')
| -rw-r--r-- | testing/cffi0/test_ownlib.py | 66 |
1 files changed, 62 insertions, 4 deletions
diff --git a/testing/cffi0/test_ownlib.py b/testing/cffi0/test_ownlib.py index a06df20..ffad879 100644 --- a/testing/cffi0/test_ownlib.py +++ b/testing/cffi0/test_ownlib.py @@ -35,6 +35,10 @@ typedef struct { long bottom; } RECT; +typedef struct { + unsigned char a, b, c; +} THREEBYTES; + EXPORT int PointInRect(RECT *prc, POINT pt) { @@ -107,6 +111,15 @@ EXPORT void modify_struct_value(RECT r) { r.left = r.right = r.top = r.bottom = 500; } + +EXPORT THREEBYTES return_three_bytes(void) +{ + THREEBYTES result; + result.a = 12; + result.b = 34; + result.c = 56; + return result; +} """ class TestOwnLib(object): @@ -201,7 +214,7 @@ class TestOwnLib(object): py.test.skip("fix the auto-generation of the tiny test lib") ffi = FFI(backend=self.Backend()) ffi.cdef(""" - int my_array[7]; + extern int my_array[7]; """) ownlib = ffi.dlopen(self.module) for i in range(7): @@ -223,7 +236,7 @@ class TestOwnLib(object): py.test.skip("not supported by the ctypes backend") ffi = FFI(backend=self.Backend()) ffi.cdef(""" - int my_array[]; + extern int my_array[]; """) ownlib = ffi.dlopen(self.module) for i in range(7): @@ -291,7 +304,7 @@ class TestOwnLib(object): long bottom; } RECT; - long left, top, right, bottom; + extern long left, top, right, bottom; RECT ReturnRect(int i, RECT ar, RECT* br, POINT cp, RECT dr, RECT *er, POINT fp, RECT gr); @@ -321,7 +334,7 @@ class TestOwnLib(object): if self.Backend is CTypesBackend: py.test.skip("not implemented with the ctypes backend") ffi = FFI(backend=self.Backend()) - ffi.cdef("long left; int test_getting_errno(void);") + ffi.cdef("extern long left; int test_getting_errno(void);") lib = ffi.dlopen(self.module) lib.left = 123456 p = ffi.addressof(lib, "left") @@ -371,3 +384,48 @@ class TestOwnLib(object): assert s.top == 22 assert s.right == 33 assert s.bottom == 44 + + def test_dlopen_handle(self): + if self.module is None: + py.test.skip("fix the auto-generation of the tiny test lib") + if sys.platform == 'win32': + py.test.skip("uses 'dl' explicitly") + if self.__class__.Backend is CTypesBackend: + py.test.skip("not for the ctypes backend") + backend = self.Backend() + ffi1 = FFI(backend=backend) + ffi1.cdef("""void *dlopen(const char *filename, int flags); + int dlclose(void *handle);""") + lib1 = ffi1.dlopen('dl') + handle = lib1.dlopen(self.module.encode(sys.getfilesystemencoding()), + backend.RTLD_LAZY) + assert ffi1.typeof(handle) == ffi1.typeof("void *") + assert handle + + ffi = FFI(backend=backend) + ffi.cdef("""unsigned short foo_2bytes(unsigned short a);""") + lib = ffi.dlopen(handle) + x = lib.foo_2bytes(1000) + assert x == 1042 + + err = lib1.dlclose(handle) + assert err == 0 + + def test_return_three_bytes(self): + if self.module is None: + py.test.skip("fix the auto-generation of the tiny test lib") + if self.__class__.Backend is CTypesBackend: + py.test.skip("not working on win32 on the ctypes backend") + ffi = FFI(backend=self.Backend()) + ffi.cdef(""" + typedef struct { + unsigned char a, b, c; + } THREEBYTES; + + THREEBYTES return_three_bytes(void); + """) + lib = ffi.dlopen(self.module) + tb = lib.return_three_bytes() + assert tb.a == 12 + assert tb.b == 34 + assert tb.c == 56 |