import QuantLib
import unittest

class DayCountersTest(unittest.TestCase):
    def runTest(self):
        "Testing daycounters"

        calendar    = QuantLib.UnitedStates()

        #
        # Check that SWIG signature for Business252 calendar allows to pass custom calendar into the class constructor.
        # Old QuantLib-SWIG versions allow only to create Business252 calendar with default constructor parameter (Brazil calendar),
        # and generate an exception when trying to pass a custom calendar as a parameter. So we just check here that no exception occurs.
        #
        day_counter = QuantLib.Business252(calendar)

if __name__ == '__main__':
    print('testing QuantLib ' + QuantLib.__version__) 
    suite = unittest.TestSuite()
    suite.addTest(DayCountersTest())
    unittest.TextTestRunner(verbosity=2).run(suite)