| import sys |
| import unittest |
| |
| if not sys.platform.startswith('win'): |
| raise unittest.SkipTest('Windows-only test') |
| |
| from ctypes import * |
| from ctypes import wintypes |
| |
| class WinTypesTest(unittest.TestCase): |
| def test_variant_bool(self): |
| # reads 16-bits from memory, anything non-zero is True |
| for true_value in (1, 32767, 32768, 65535, 65537): |
| true = POINTER(c_int16)(c_int16(true_value)) |
| value = cast(true, POINTER(wintypes.VARIANT_BOOL)) |
| self.assertEqual(repr(value.contents), 'VARIANT_BOOL(True)') |
| |
| vb = wintypes.VARIANT_BOOL() |
| self.assertIs(vb.value, False) |
| vb.value = True |
| self.assertIs(vb.value, True) |
| vb.value = true_value |
| self.assertIs(vb.value, True) |
| |
| for false_value in (0, 65536, 262144, 2**33): |
| false = POINTER(c_int16)(c_int16(false_value)) |
| value = cast(false, POINTER(wintypes.VARIANT_BOOL)) |
| self.assertEqual(repr(value.contents), 'VARIANT_BOOL(False)') |
| |
| # allow any bool conversion on assignment to value |
| for set_value in (65536, 262144, 2**33): |
| vb = wintypes.VARIANT_BOOL() |
| vb.value = set_value |
| self.assertIs(vb.value, True) |
| |
| vb = wintypes.VARIANT_BOOL() |
| vb.value = [2, 3] |
| self.assertIs(vb.value, True) |
| vb.value = [] |
| self.assertIs(vb.value, False) |
| |
| if __name__ == "__main__": |
| unittest.main() |