updated sample library with VirtualMethods class which contains

a case of a virtual method that is reimplemented in Python and
checked in the unit test
Reference class and unit tests with cases
        of virtual methods that receive C++ references

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/samplebinding/virtualmethods_test.py b/tests/samplebinding/virtualmethods_test.py
new file mode 100755
index 000000000..89ca83c8d
--- /dev/null
+++ b/tests/samplebinding/virtualmethods_test.py
@@ -0,0 +1,36 @@
+#!/usr/bin/python
+
+'''Test cases for virtual methods.'''
+
+import sys
+import unittest
+
+from sample import VirtualMethods, Point
+
+class ExtendedVirtualMethods(VirtualMethods):
+    def __init__(self):
+        VirtualMethods.__init__(self)
+        self.virtual_method0_called = False
+
+    def virtualMethod0(self, pt, val, cpx, b):
+        self.virtual_method0_called = True
+        return VirtualMethods.virtualMethod0(self, pt, val, cpx, b) * -1.0
+
+class VirtualMethodsTest(unittest.TestCase):
+    '''Test case for virtual methods'''
+
+    def testReimplementedVirtualMethod0(self):
+        '''Test Python override of a virtual method with various different parameters is correctly called from C++.'''
+        vm = VirtualMethods()
+        evm = ExtendedVirtualMethods()
+        pt = Point(1.1, 2.2)
+        val = 4
+        cpx = complex(3.3, 4.4)
+        b = True
+        result0 = vm.callVirtualMethod0(pt, val, cpx, b)
+        result1 = evm.callVirtualMethod0(pt, val, cpx, b)
+        self.assertEqual(result0 * -1.0, result1)
+
+if __name__ == '__main__':
+    unittest.main()
+