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Added documentation in the limitations section about why non-virtual methods cannot be mocked

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git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@693 860be788-9bd5-4423-9f1e-828f051e677b
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mat007 2013-10-03 07:59:17 +00:00
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build/boost/doc/limitations.qbk
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@ -1,6 +1,7 @@
[section Limitations]
[import example/limitations_literal_zero.cpp]
[import example/limitations_throw_specifier.cpp]
[import example/limitations_non_virtual_method.cpp]
[import example/limitations_template_method.cpp]
[import example/limitations_private_method.cpp]
[import example/limitations_comma_in_macro.cpp]
@ -59,6 +60,22 @@ While still somewhat possible, mocking a template method is indeed a bit cumbers
[endsect]
[section Non-virtual methods cannot be mocked]
Given :
[limitations_non_virtual_method_problem]
the following code compiles but will not work as expected :
[limitations_non_virtual_method_problem_2]
The mock object will never be exercised because the library relies on polymorphism to hook the calls.
There is no other solution than to refactor the production code, the most simple being to change the method to virtual.
[endsect]
[section Private virtual methods cannot be mocked without spelling out the signature]
Given :