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git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@731 860be788-9bd5-4423-9f1e-828f051e677b
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mat007 2014-05-20 05:56:37 +00:00
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build/boost/doc/rationale.qbk
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@ -1,4 +1,5 @@
[section:rationale Rationale]
[import example/rationale.cpp]
This section explains some of the design and implementation choices.
@ -14,14 +15,12 @@ Several design choices follow the same motivation :
* both const and non-const versions of a method are mocked by default
* the short-cuts for adding constraints cover 95% of the use cases
* non-serializable types do not yield compilation errors but are logged as '?' by default
* etc..
At the same time customizing any aspect of the library should require minimum effort, for instance :
* custom constraints can be any functors, including free functions
* customizing the logging of a type is done by defining a serialization operator
* integrating into a test framework is made possible by writing a simple custom policy
* etc..
[endsect]
@ -29,12 +28,7 @@ At the same time customizing any aspect of the library should require minimum ef
By design the exceptions thrown upon error should not inherit from std::exception, for instance consider the following test case based on the example from the [link turtle.motivation motivation] section :
BOOST_AUTO_TEST_CASE( overflow_throws )
{
mock_view v;
calculator c( v );
BOOST_CHECK_THROW( c.add( std::numeric_limits< int >::max(), 1 ), std::exception );
}
[overflow_throws]
Any call to 'v' will be unexpected and yield an exception, which if it were an std::exception would erroneously make the test succeed whereas it is supposed to pass only if the operation overflows (thus not triggering 'v').