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#!/usr/bin/python
'''Test cases for Complex class'''
import sys
import unittest
import sample
from sample import Point
class ComplexTest(unittest.TestCase):
'''Test case for conversions between C++ Complex class to Python complex class'''
def testFunctionReturningComplexObject(self):
'''Test function returning a C++ Complex object.'''
cpx = sample.transmutePointIntoComplex(Point(5.0, 2.3))
self.assertEqual(cpx, complex(5.0, 2.3))
def testFunctionReceivingComplexObjectAsArgument(self):
'''Test function returning a C++ Complex object.'''
pt = sample.transmuteComplexIntoPoint(complex(1.2, 3.4))
# these assertions intentionally avoids to test the == operator,
# it should have its own test cases.
self.assertEqual(pt.x(), 1.2)
self.assertEqual(pt.y(), 3.4)
def testComplexList(self):
'''Test list of C++ Complex objects conversion to a list of Python complex objects.'''
# the global function gimmeComplexList() is expected to return a list
# containing the following Complex values: [0j, 1.1+2.2j, 1.3+2.4j]
cpxlist = sample.gimmeComplexList()
self.assertEqual(cpxlist, [complex(), complex(1.1, 2.2), complex(1.3, 2.4)])
def testSumComplexPair(self):
'''Test sum of a tuple containing two complex objects.'''
cpx1 = complex(1.2, 3.4)
cpx2 = complex(5.6, 7.8)
self.assertEqual(sample.sumComplexPair((cpx1, cpx2)), cpx1 + cpx2)
if __name__ == '__main__':
unittest.main()
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