[Boost-bugs] [Boost C++ Libraries] #7257: Boost.Test alters and does not restore ostream precision after any Test macro

Subject: [Boost-bugs] [Boost C++ Libraries] #7257: Boost.Test alters and does not restore ostream precision after any Test macro
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-08-21 13:59:26

#7257: Boost.Test alters and does not restore ostream precision after any Test
macro
------------------------------+---------------------------------------------
 Reporter:  pbristow          |       Owner:  rogeeff
     Type:  Bugs              |      Status:  new    
Milestone:  To Be Determined  |   Component:  test   
  Version:  Boost 1.51.0      |    Severity:  Problem
 Keywords:  test precision    |  
------------------------------+---------------------------------------------
 Boost.Test alters and does not restore ostream precision after any Test
 macro.

     std::cout.precision(17);

     std::streamsize precision1 = std::cout.precision(); // 17

     BOOST_TEST_MESSAGE("");  or any BOOST_TEST_* calls.

     std::streamsize precision2 = std::cout.precision(); // 6  (default)

     BOOST_CHECK_EQUAL(precision1, precision2); // expect both 17

 This means that it is necessary to reset precision after every call to a
 BOOST_TEST_* macro, which is a tiresome and unexpected feature.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/7257>
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