1 # A lot of failures in these tests on Mac OS X. 2 # Byte order related? 3 4 import unittest 5 from ctypes import * 6 7 import _ctypes_test 8 9 class CFunctions(unittest.TestCase): 10 _dll = CDLL(_ctypes_test.__file__) 11 12 def S(self): 13 return c_longlong.in_dll(self._dll, "last_tf_arg_s").value 14 def U(self): 15 return c_ulonglong.in_dll(self._dll, "last_tf_arg_u").value 16 17 def test_byte(self): 18 self._dll.tf_b.restype = c_byte 19 self._dll.tf_b.argtypes = (c_byte,) 20 self.assertEqual(self._dll.tf_b(-126), -42) 21 self.assertEqual(self.S(), -126) 22 23 def test_byte_plus(self): 24 self._dll.tf_bb.restype = c_byte 25 self._dll.tf_bb.argtypes = (c_byte, c_byte) 26 self.assertEqual(self._dll.tf_bb(0, -126), -42) 27 self.assertEqual(self.S(), -126) 28 29 def test_ubyte(self): 30 self._dll.tf_B.restype = c_ubyte 31 self._dll.tf_B.argtypes = (c_ubyte,) 32 self.assertEqual(self._dll.tf_B(255), 85) 33 self.assertEqual(self.U(), 255) 34 35 def test_ubyte_plus(self): 36 self._dll.tf_bB.restype = c_ubyte 37 self._dll.tf_bB.argtypes = (c_byte, c_ubyte) 38 self.assertEqual(self._dll.tf_bB(0, 255), 85) 39 self.assertEqual(self.U(), 255) 40 41 def test_short(self): 42 self._dll.tf_h.restype = c_short 43 self._dll.tf_h.argtypes = (c_short,) 44 self.assertEqual(self._dll.tf_h(-32766), -10922) 45 self.assertEqual(self.S(), -32766) 46 47 def test_short_plus(self): 48 self._dll.tf_bh.restype = c_short 49 self._dll.tf_bh.argtypes = (c_byte, c_short) 50 self.assertEqual(self._dll.tf_bh(0, -32766), -10922) 51 self.assertEqual(self.S(), -32766) 52 53 def test_ushort(self): 54 self._dll.tf_H.restype = c_ushort 55 self._dll.tf_H.argtypes = (c_ushort,) 56 self.assertEqual(self._dll.tf_H(65535), 21845) 57 self.assertEqual(self.U(), 65535) 58 59 def test_ushort_plus(self): 60 self._dll.tf_bH.restype = c_ushort 61 self._dll.tf_bH.argtypes = (c_byte, c_ushort) 62 self.assertEqual(self._dll.tf_bH(0, 65535), 21845) 63 self.assertEqual(self.U(), 65535) 64 65 def test_int(self): 66 self._dll.tf_i.restype = c_int 67 self._dll.tf_i.argtypes = (c_int,) 68 self.assertEqual(self._dll.tf_i(-2147483646), -715827882) 69 self.assertEqual(self.S(), -2147483646) 70 71 def test_int_plus(self): 72 self._dll.tf_bi.restype = c_int 73 self._dll.tf_bi.argtypes = (c_byte, c_int) 74 self.assertEqual(self._dll.tf_bi(0, -2147483646), -715827882) 75 self.assertEqual(self.S(), -2147483646) 76 77 def test_uint(self): 78 self._dll.tf_I.restype = c_uint 79 self._dll.tf_I.argtypes = (c_uint,) 80 self.assertEqual(self._dll.tf_I(4294967295), 1431655765) 81 self.assertEqual(self.U(), 4294967295) 82 83 def test_uint_plus(self): 84 self._dll.tf_bI.restype = c_uint 85 self._dll.tf_bI.argtypes = (c_byte, c_uint) 86 self.assertEqual(self._dll.tf_bI(0, 4294967295), 1431655765) 87 self.assertEqual(self.U(), 4294967295) 88 89 def test_long(self): 90 self._dll.tf_l.restype = c_long 91 self._dll.tf_l.argtypes = (c_long,) 92 self.assertEqual(self._dll.tf_l(-2147483646), -715827882) 93 self.assertEqual(self.S(), -2147483646) 94 95 def test_long_plus(self): 96 self._dll.tf_bl.restype = c_long 97 self._dll.tf_bl.argtypes = (c_byte, c_long) 98 self.assertEqual(self._dll.tf_bl(0, -2147483646), -715827882) 99 self.assertEqual(self.S(), -2147483646) 100 101 def test_ulong(self): 102 self._dll.tf_L.restype = c_ulong 103 self._dll.tf_L.argtypes = (c_ulong,) 104 self.assertEqual(self._dll.tf_L(4294967295), 1431655765) 105 self.assertEqual(self.U(), 4294967295) 106 107 def test_ulong_plus(self): 108 self._dll.tf_bL.restype = c_ulong 109 self._dll.tf_bL.argtypes = (c_char, c_ulong) 110 self.assertEqual(self._dll.tf_bL(' ', 4294967295), 1431655765) 111 self.assertEqual(self.U(), 4294967295) 112 113 def test_longlong(self): 114 self._dll.tf_q.restype = c_longlong 115 self._dll.tf_q.argtypes = (c_longlong, ) 116 self.assertEqual(self._dll.tf_q(-9223372036854775806), -3074457345618258602) 117 self.assertEqual(self.S(), -9223372036854775806) 118 119 def test_longlong_plus(self): 120 self._dll.tf_bq.restype = c_longlong 121 self._dll.tf_bq.argtypes = (c_byte, c_longlong) 122 self.assertEqual(self._dll.tf_bq(0, -9223372036854775806), -3074457345618258602) 123 self.assertEqual(self.S(), -9223372036854775806) 124 125 def test_ulonglong(self): 126 self._dll.tf_Q.restype = c_ulonglong 127 self._dll.tf_Q.argtypes = (c_ulonglong, ) 128 self.assertEqual(self._dll.tf_Q(18446744073709551615), 6148914691236517205) 129 self.assertEqual(self.U(), 18446744073709551615) 130 131 def test_ulonglong_plus(self): 132 self._dll.tf_bQ.restype = c_ulonglong 133 self._dll.tf_bQ.argtypes = (c_byte, c_ulonglong) 134 self.assertEqual(self._dll.tf_bQ(0, 18446744073709551615), 6148914691236517205) 135 self.assertEqual(self.U(), 18446744073709551615) 136 137 def test_float(self): 138 self._dll.tf_f.restype = c_float 139 self._dll.tf_f.argtypes = (c_float,) 140 self.assertEqual(self._dll.tf_f(-42.), -14.) 141 self.assertEqual(self.S(), -42) 142 143 def test_float_plus(self): 144 self._dll.tf_bf.restype = c_float 145 self._dll.tf_bf.argtypes = (c_byte, c_float) 146 self.assertEqual(self._dll.tf_bf(0, -42.), -14.) 147 self.assertEqual(self.S(), -42) 148 149 def test_double(self): 150 self._dll.tf_d.restype = c_double 151 self._dll.tf_d.argtypes = (c_double,) 152 self.assertEqual(self._dll.tf_d(42.), 14.) 153 self.assertEqual(self.S(), 42) 154 155 def test_double_plus(self): 156 self._dll.tf_bd.restype = c_double 157 self._dll.tf_bd.argtypes = (c_byte, c_double) 158 self.assertEqual(self._dll.tf_bd(0, 42.), 14.) 159 self.assertEqual(self.S(), 42) 160 161 def test_longdouble(self): 162 self._dll.tf_D.restype = c_longdouble 163 self._dll.tf_D.argtypes = (c_longdouble,) 164 self.assertEqual(self._dll.tf_D(42.), 14.) 165 self.assertEqual(self.S(), 42) 166 167 def test_longdouble_plus(self): 168 self._dll.tf_bD.restype = c_longdouble 169 self._dll.tf_bD.argtypes = (c_byte, c_longdouble) 170 self.assertEqual(self._dll.tf_bD(0, 42.), 14.) 171 self.assertEqual(self.S(), 42) 172 173 def test_callwithresult(self): 174 def process_result(result): 175 return result * 2 176 self._dll.tf_i.restype = process_result 177 self._dll.tf_i.argtypes = (c_int,) 178 self.assertEqual(self._dll.tf_i(42), 28) 179 self.assertEqual(self.S(), 42) 180 self.assertEqual(self._dll.tf_i(-42), -28) 181 self.assertEqual(self.S(), -42) 182 183 def test_void(self): 184 self._dll.tv_i.restype = None 185 self._dll.tv_i.argtypes = (c_int,) 186 self.assertEqual(self._dll.tv_i(42), None) 187 self.assertEqual(self.S(), 42) 188 self.assertEqual(self._dll.tv_i(-42), None) 189 self.assertEqual(self.S(), -42) 190 191 # The following repeates the above tests with stdcall functions (where 192 # they are available) 193 try: 194 WinDLL 195 except NameError: 196 pass 197 else: 198 class stdcall_dll(WinDLL): 199 def __getattr__(self, name): 200 if name[:2] == '__' and name[-2:] == '__': 201 raise AttributeError(name) 202 func = self._FuncPtr(("s_" + name, self)) 203 setattr(self, name, func) 204 return func 205 206 class stdcallCFunctions(CFunctions): 207 _dll = stdcall_dll(_ctypes_test.__file__) 208 pass 209 210 if __name__ == '__main__': 211 unittest.main() 212
