[boost-users] [test] Boost.Test Mock

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Andrey Torba

1 Mar 2010 1 Mar '10

3:21 p.m.

Hi All, Whare can i find information about Boost.Test Mock? -- Regards, Andrey

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Gennadiy Rozental

1 Mar 1 Mar

8:59 p.m.

Andrey Torba wrote:

...

Hi All, Whare can i find information about Boost.Test Mock?

Do you mean header mock_object.hpp and related interaction testing facilities in logged_expectations.hpp and exception_safety.hpp? Gennadiy

Andrey Torba

2 Mar 2 Mar

1:30 p.m.

On 1 March 2010 22:59, Gennadiy Rozental wrote:

...

Do you mean header mock_object.hpp and related interaction testing facilities in logged_expectations.hpp and exception_safety.hpp?

Yes I've just discovered for myself BOOST_TEST_EXCEPTION_SAFETY and boost::itest::mock_object. I would like read more about this tools. What is the algorithm of running test case of BOOST_TEST_EXCEPTION_SAFETY? -- Regards, Andrey

Gennadiy Rozental

6:25 p.m.

Andrey Torba writes:

...

I've just discovered for myself BOOST_TEST_EXCEPTION_SAFETY and boost::itest::mock_object. I would like read more about this tools.What is the algorithm of running test case of BOOST_TEST_EXCEPTION_SAFETY?

The idea, which originally should be attributed to David Abrahams I believe, is to test an exception safety of generic components. You implement particular interaction (for example adding element to the generic collection) based on generic component instantiated with mock object, specify all the invariants and the test case will check that no memory leaks and no invariants will be broken regardless where and if an exception occurred. You can see an example of it's usage in examples folder. Unfortunately as of now there is no documentation page covering this functionality. Gennadiy

Andrey Torba

3 Mar 3 Mar

9:43 a.m.

Now i can test code for exception safety: template void algo( boost::shared_ptr<T1> x, boost::shared_ptr<T2> y); typedef mock_object<> Mock; typedef boost::shared_ptr<Mock> SharedMock; BOOST_TEST_EXCEPTION_SAFETY( fail_test ) { algo( SharedMock( new Mock() ), SharedMock( new Mock() )); } BOOST_TEST_EXCEPTION_SAFETY( success_test ) { algo( boost::make_shared<Mock>(), boost::make_shared<Mock>()); } Very useful tool! -- Regards, Andrey

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Andrey Torba
Gennadiy Rozental