added unit tests for stl::pair and stl::list conversions on libsample

1 files changed, 76 insertions, 0 deletions

diff --git a/tests/samplebinding/pair_test.py b/tests/samplebinding/pair_test.py
new file mode 100755
index 000000000..212fabfc8
--- /dev/null
+++ b/tests/samplebinding/pair_test.py
@@ -0,0 +1,76 @@
+#!/usr/bin/python
+
+'''Test cases for std::pair container conversions'''
+
+import sys
+import unittest
+
+from sample import PairUser
+
+class ExtendedPairUser(PairUser):
+    def __init__(self):
+        PairUser.__init__(self)
+        self.create_pair_called = False
+
+    def createPair(self):
+        self.create_pair_called = True
+        return (7, 13)
+
+class PairConversionTest(unittest.TestCase):
+    '''Test case for std::pair container conversions'''
+
+    def testReimplementedVirtualMethodCall(self):
+        '''Test if a Python override of a virtual method is correctly called from C++.'''
+        pu = ExtendedPairUser()
+        pair = pu.callCreatePair()
+        self.assert_(pu.create_pair_called)
+        self.assertEqual(type(pair), tuple)
+        self.assertEqual(type(pair[0]), int)
+        self.assertEqual(type(pair[1]), int)
+        self.assertEqual(pair, (7, 13))
+
+    def testPrimitiveConversionInsideContainer(self):
+        '''Test primitive type conversion inside conversible std::pair container.'''
+        cpx0 = complex(1.2, 3.4)
+        cpx1 = complex(5.6, 7.8)
+        cp = PairUser.createComplexPair(cpx0, cpx1)
+        self.assertEqual(type(cp), tuple)
+        self.assertEqual(type(cp[0]), complex)
+        self.assertEqual(type(cp[1]), complex)
+        self.assertEqual(cp, (cpx0, cpx1))
+
+    def testSumPair(self):
+        '''Test method that sums the items of a pair using values of the types expected by C++ (int and double)'''
+        pu = PairUser()
+        pair = (3, 7.13)
+        result = pu.sumPair(pair)
+        self.assertEqual(result, sum(pair))
+
+    def testSumPairDifferentTypes(self):
+        '''Test method that sums the items of a pair using values of types different from the ones expected by C++ (int and double)'''
+        pu = PairUser()
+        pair = (3.3, 7)
+        result = pu.sumPair(pair)
+        self.assertNotEqual(result, sum(pair))
+        self.assertEqual(result, int(pair[0]) + pair[1])
+
+    def testConversionInBothDirections(self):
+        '''Test converting a pair from Python to C++ and the other way around.'''
+        pu = PairUser()
+        pair = (3, 5)
+        pu.setPair(pair)
+        result = pu.getPair()
+        self.assertEqual(result, pair)
+
+    def testConversionInBothDirectionsWithSimilarContainer(self):
+        '''Test converting a list, instead of the expected tuple, from Python to C++ and the other way around.'''
+        pu = PairUser()
+        pair = [3, 5]
+        pu.setPair(pair)
+        result = pu.getPair()
+        self.assertNotEqual(result, pair)
+        self.assertEqual(result, list(pair))
+
+if __name__ == '__main__':
+    unittest.main()
+