Re: [Boost-bugs] [Boost C++ Libraries] #13024: Using function as data source in BOOST_DATA_TEST_CASE initiate the conflict with static variables initialization

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #13024: Using function as data source in BOOST_DATA_TEST_CASE initiate the conflict with static variables initialization
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2018-01-03 00:42:42

#13024: Using function as data source in BOOST_DATA_TEST_CASE initiate the conflict
with static variables initialization
-------------------------------+-------------------------------
  Reporter:  mikhail@…         |      Owner:  Gennadiy Rozental
      Type:  Feature Requests  |     Status:  new
 Milestone:  To Be Determined  |  Component:  test
   Version:  Boost 1.64.0      |   Severity:  Problem
Resolution:                    |   Keywords:
-------------------------------+-------------------------------

Comment (by Raffi Enficiaud):

 I am not sure the crashes you are experiencing is due to a change in
 Boost.Test between 1.63 and a later version. The {{{get_files}}} function
 is always evaluated at static initialization time as the
 {{{BOOST_DATA_TEST_CASE}}} creates a static global object.

 I tend to think that there is something in filesystem that prevents from
 calling functions during this global static initialization phase. So I
 suggest that you ask or raise a ticket on boost.filesystem side to make it
 clear.

 However, there is the ticket #12953 that should help as it postpones the
 evaluation of the datasets, it would be good if you can give a try.
 To support this further, I suggest getting the files later in the init
 phase by providing a proper dataset interface to the function retrieving
 the files, as shown
 [http://www.boost.org/doc/libs/1_66_0/libs/test/doc/html/boost_test/tests_organization/test_cases/test_case_generation/datasets.html#boost_test.tests_organization.test_cases.test_case_generation.datasets.example_descr
 here] (for instance getting the files when calling {{{begin}}} or
 {{{size}}}).

 Please keep me posted.

-- 
Ticket URL: <https://svn.boost.org/trac10/boost/ticket/13024#comment:5>
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