1 import sys 2 import unittest 3 4 from ctypes import * 5 6 @unittest.skipUnless(sys.platform.startswith('win'), 'Windows-only test') 7 class WinTypesTest(unittest.TestCase): 8 def test_variant_bool(self): 9 from ctypes import wintypes 10 # reads 16-bits from memory, anything non-zero is True 11 for true_value in (1, 32767, 32768, 65535, 65537): 12 true = POINTER(c_int16)(c_int16(true_value)) 13 value = cast(true, POINTER(wintypes.VARIANT_BOOL)) 14 self.assertEqual(repr(value.contents), 'VARIANT_BOOL(True)') 15 16 vb = wintypes.VARIANT_BOOL() 17 self.assertIs(vb.value, False) 18 vb.value = True 19 self.assertIs(vb.value, True) 20 vb.value = true_value 21 self.assertIs(vb.value, True) 22 23 for false_value in (0, 65536, 262144, 2**33): 24 false = POINTER(c_int16)(c_int16(false_value)) 25 value = cast(false, POINTER(wintypes.VARIANT_BOOL)) 26 self.assertEqual(repr(value.contents), 'VARIANT_BOOL(False)') 27 28 # allow any bool conversion on assignment to value 29 for set_value in (65536, 262144, 2**33): 30 vb = wintypes.VARIANT_BOOL() 31 vb.value = set_value 32 self.assertIs(vb.value, True) 33 34 vb = wintypes.VARIANT_BOOL() 35 vb.value = [2, 3] 36 self.assertIs(vb.value, True) 37 vb.value = [] 38 self.assertIs(vb.value, False) 39 40 if __name__ == "__main__": 41 unittest.main() 42
