Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
The Unit Test Framework is able to produce color output
on systems which support it. To disable this behavior, set this option
to no. By default the framework
produces color output.
Boolean with default value yes.
--color_output[=<boolean
value>]
-x
[<boolean
value>]
BOOST_TEST_COLOR_OUTPUT