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converters_test.py
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66 lines (55 loc) · 2.45 KB
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#!/usr/bin/env python
import unittest
import challenge.basics
import challenge.converters
class SwigTestCase(unittest.TestCase):
"""Test case for for Swig typemaps for Doodads.
"""
def test_shared_ptr_return(self):
"""Test that a Swig-built module can return a "shared_ptr<Doodad>".
"""
r = challenge.converters.make_sptr("a", 5)
self.assertIsInstance(r, challenge.basics.Doodad)
self.assertEqual(r.name, "a")
self.assertEqual(r.value, 5)
def test_const_shared_ptr_return(self):
"""Test that a Swig-built module can return a "shared_ptr<Doodad const>".
"""
r = challenge.converters.make_csptr("a", 5)
self.assertEqual(r.name, "a")
self.assertEqual(r.value, 5)
def test_pass_reference(self):
"""Test that a Swig-built module can accept "Doodad &".
"""
d = challenge.basics.Doodad("b", 6)
self.assertTrue(challenge.converters.accept_ref(d, "b", 6))
def test_pass_const_reference(self):
"""Test that a Swig-built module can accept "Doodad const &",
even when the passed object is not const.
"""
d = challenge.basics.Doodad("c", 7)
self.assertTrue(challenge.converters.accept_cref(d, "c", 7))
def test_pass_reference(self):
"""Test that a Swig-built module can accept "shared_ptr<Doodad>".
"""
d = challenge.basics.Doodad("d", 8)
self.assertTrue(challenge.converters.accept_sptr(d, "d", 8))
def test_pass_const_shared_ptr(self):
"""Test that a Swig-built module can accept "shared_ptr<Doodad const>",
even when the passed object is not const.
"""
d = challenge.basics.Doodad("e", 9)
self.assertTrue(challenge.converters.accept_csptr(d, "e", 9))
def test_const_guarantees(self):
"""Test that C++ constness restrictions are propagated to Python."""
r = challenge.converters.make_csptr("a", 5)
self.assertRaises(TypeError, r, setattr, "name", "f")
self.assertRaises(TypeError, r, setattr, "value", "100")
self.assertTrue(challenge.converters.accept_cref(r, "a", 5))
self.assertTrue(challenge.converters.accept_csptr(r, "a", 5))
self.assertRaises(TypeError, challenge.converters.accept_sptr,
r, "a", 5)
self.assertRaises(TypeError, challenge.converters.accept_ref,
r, "a", 5)
if __name__ == "__main__":
unittest.main()