'If a system platform name is supplied to L{Platform}\'s initializer, it
is used to determine the result of L{Platform.isMacOSX}, which returns
C{True} for C{"darwin"}, C{False} otherwise.'

def test_isMacOSX(self):

    self.assertTrue(Platform(None, 'darwin').isMacOSX())
    self.assertFalse(Platform(None, 'linux2').isMacOSX())
    self.assertFalse(Platform(None, 'win32').isMacOSX())
