1 import sys 2 import unittest 3 4 if not sys.platform.startswith('win'): 5 raise unittest.SkipTest('Windows-only test') 6 7 from ctypes import * 8 from ctypes import wintypes 9 10 class WinTypesTest(unittest.TestCase): 11 def test_variant_bool(self): 12 # reads 16-bits from memory, anything non-zero is True 13 for true_value in (1, 32767, 32768, 65535, 65537): 14 true = POINTER(c_int16)(c_int16(true_value)) 15 value = cast(true, POINTER(wintypes.VARIANT_BOOL)) 16 self.assertEqual(repr(value.contents), 'VARIANT_BOOL(True)') 17 18 vb = wintypes.VARIANT_BOOL() 19 self.assertIs(vb.value, False) 20 vb.value = True 21 self.assertIs(vb.value, True) 22 vb.value = true_value 23 self.assertIs(vb.value, True) 24 25 for false_value in (0, 65536, 262144, 2**33): 26 false = POINTER(c_int16)(c_int16(false_value)) 27 value = cast(false, POINTER(wintypes.VARIANT_BOOL)) 28 self.assertEqual(repr(value.contents), 'VARIANT_BOOL(False)') 29 30 # allow any bool conversion on assignment to value 31 for set_value in (65536, 262144, 2**33): 32 vb = wintypes.VARIANT_BOOL() 33 vb.value = set_value 34 self.assertIs(vb.value, True) 35 36 vb = wintypes.VARIANT_BOOL() 37 vb.value = [2, 3] 38 self.assertIs(vb.value, True) 39 vb.value = [] 40 self.assertIs(vb.value, False) 41 42 if __name__ == "__main__": 43 unittest.main() 44
