# A lot of failures in these tests on Mac OS X. # Byte order related? from ctypes import * import py from support import BaseCTypesTestChecker def setup_module(mod): import conftest mod._ctypes_test = str(conftest.sofile) # this means you cannot run tests directly without invoking this mod.TestCFunctions._dll = CDLL(_ctypes_test) class TestCFunctions(BaseCTypesTestChecker): def S(self): return c_longlong.in_dll(self._dll, "last_tf_arg_s").value def U(self): return c_ulonglong.in_dll(self._dll, "last_tf_arg_u").value def test_byte(self): self._dll.tf_b.restype = c_byte self._dll.tf_b.argtypes = (c_byte,) assert self._dll.tf_b(-126) == -42 assert self.S() == -126 def test_byte_plus(self): self._dll.tf_bb.restype = c_byte self._dll.tf_bb.argtypes = (c_byte, c_byte) assert self._dll.tf_bb(0, -126) == -42 assert self.S() == -126 def test_ubyte(self): self._dll.tf_B.restype = c_ubyte self._dll.tf_B.argtypes = (c_ubyte,) assert self._dll.tf_B(255) == 85 assert self.U() == 255 def test_ubyte_plus(self): self._dll.tf_bB.restype = c_ubyte self._dll.tf_bB.argtypes = (c_byte, c_ubyte) assert self._dll.tf_bB(0, 255) == 85 assert self.U() == 255 def test_short(self): self._dll.tf_h.restype = c_short self._dll.tf_h.argtypes = (c_short,) assert self._dll.tf_h(-32766) == -10922 assert self.S() == -32766 def test_short_plus(self): self._dll.tf_bh.restype = c_short self._dll.tf_bh.argtypes = (c_byte, c_short) assert self._dll.tf_bh(0, -32766) == -10922 assert self.S() == -32766 def test_ushort(self): self._dll.tf_H.restype = c_ushort self._dll.tf_H.argtypes = (c_ushort,) assert self._dll.tf_H(65535) == 21845 assert self.U() == 65535 def test_ushort_plus(self): self._dll.tf_bH.restype = c_ushort self._dll.tf_bH.argtypes = (c_byte, c_ushort) assert self._dll.tf_bH(0, 65535) == 21845 assert self.U() == 65535 def test_int(self): self._dll.tf_i.restype = c_int self._dll.tf_i.argtypes = (c_int,) assert self._dll.tf_i(-2147483646) == -715827882 assert self.S() == -2147483646 def test_int_plus(self): self._dll.tf_bi.restype = c_int self._dll.tf_bi.argtypes = (c_byte, c_int) assert self._dll.tf_bi(0, -2147483646) == -715827882 assert self.S() == -2147483646 def test_uint(self): self._dll.tf_I.restype = c_uint self._dll.tf_I.argtypes = (c_uint,) assert self._dll.tf_I(4294967295) == 1431655765 assert self.U() == 4294967295 def test_uint_plus(self): self._dll.tf_bI.restype = c_uint self._dll.tf_bI.argtypes = (c_byte, c_uint) assert self._dll.tf_bI(0, 4294967295) == 1431655765 assert self.U() == 4294967295 def test_long(self): self._dll.tf_l.restype = c_long self._dll.tf_l.argtypes = (c_long,) assert self._dll.tf_l(-2147483646) == -715827882 assert self.S() == -2147483646 def test_long_plus(self): self._dll.tf_bl.restype = c_long self._dll.tf_bl.argtypes = (c_byte, c_long) assert self._dll.tf_bl(0, -2147483646) == -715827882 assert self.S() == -2147483646 def test_ulong(self): self._dll.tf_L.restype = c_ulong self._dll.tf_L.argtypes = (c_ulong,) assert self._dll.tf_L(4294967295) == 1431655765 assert self.U() == 4294967295 def test_ulong_plus(self): self._dll.tf_bL.restype = c_ulong self._dll.tf_bL.argtypes = (c_char, c_ulong) assert self._dll.tf_bL(' ', 4294967295) == 1431655765 assert self.U() == 4294967295 def test_longlong(self): self._dll.tf_q.restype = c_longlong self._dll.tf_q.argtypes = (c_longlong, ) assert self._dll.tf_q(-9223372036854775806) == -3074457345618258602 assert self.S() == -9223372036854775806 def test_longlong_plus(self): self._dll.tf_bq.restype = c_longlong self._dll.tf_bq.argtypes = (c_byte, c_longlong) assert self._dll.tf_bq(0, -9223372036854775806) == -3074457345618258602 assert self.S() == -9223372036854775806 def test_ulonglong(self): self._dll.tf_Q.restype = c_ulonglong self._dll.tf_Q.argtypes = (c_ulonglong, ) assert self._dll.tf_Q(18446744073709551615) == 6148914691236517205 assert self.U() == 18446744073709551615 def test_ulonglong_plus(self): self._dll.tf_bQ.restype = c_ulonglong self._dll.tf_bQ.argtypes = (c_byte, c_ulonglong) assert self._dll.tf_bQ(0, 18446744073709551615) == 6148914691236517205 assert self.U() == 18446744073709551615 def test_float(self): self._dll.tf_f.restype = c_float self._dll.tf_f.argtypes = (c_float,) assert self._dll.tf_f(-42.) == -14. assert self.S() == -42 def test_float_plus(self): self._dll.tf_bf.restype = c_float self._dll.tf_bf.argtypes = (c_byte, c_float) assert self._dll.tf_bf(0, -42.) == -14. assert self.S() == -42 def test_double(self): self._dll.tf_d.restype = c_double self._dll.tf_d.argtypes = (c_double,) assert self._dll.tf_d(42.) == 14. assert self.S() == 42 def test_double_plus(self): self._dll.tf_bd.restype = c_double self._dll.tf_bd.argtypes = (c_byte, c_double) assert self._dll.tf_bd(0, 42.) == 14. assert self.S() == 42 def test_callwithresult(self): def process_result(result): return result * 2 self._dll.tf_i.restype = process_result self._dll.tf_i.argtypes = (c_int,) assert self._dll.tf_i(42) == 28 assert self.S() == 42 assert self._dll.tf_i(-42) == -28 assert self.S() == -42 def test_void(self): self._dll.tv_i.restype = None self._dll.tv_i.argtypes = (c_int,) assert self._dll.tv_i(42) == None assert self.S() == 42 assert self._dll.tv_i(-42) == None assert self.S() == -42 # The following repeates the above tests with stdcall functions (where # they are available) try: WinDLL except NameError: pass else: class stdcall_dll(WinDLL): def __getattr__(self, name): if name[:2] == '__' and name[-2:] == '__': raise AttributeError, name func = self._FuncPtr(("s_" + name, self)) setattr(self, name, func) return func class TestStdcallCFunctions(TestCFunctions): def setup_class(cls): TestCFunctions.setup_class.im_func(cls) cls._dll = stdcall_dll(_ctypes_test)