A modern, C++-native, header-only, framework for unit-tests, TDD and BDD. npm distribution.
npm install catch.ccv1.5.4
Build status (on Travis CI) 
The latest, single header, version can be downloaded directly using this link
Catch stands for C++ Automated Test Cases in Headers and is a multi-paradigm automated test framework for C++ and Objective-C (and, maybe, C). It is implemented entirely in a set of header files, but is packaged up as a single header for extra convenience.
* Why do we need yet another C++ Test Framework?
* Tutorial - getting started
* Reference section - all the details