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std::isalnum expects an int in the range of unsigned char or -1 (EOF), otherwise it exhibits undefined behavior. Casting from char to unsigned char avoids this. MSVC warns about this when compiling with /analyze.
The latest version of the single header can be downloaded directly using this link
Catch2 is released!
If you've been using an earlier version of Catch, please see the Breaking Changes section of the release notes before moving to Catch2. You might also like to read this blog post for more details.
What's the Catch?
Catch2 stands for C++ Automated Test Cases in a Header and is a multi-paradigm test framework for C++. which also supports Objective-C (and maybe C). It is primarily distributed as a single header file, although certain extensions may require additional headers.
How to use it
This documentation comprises these three parts:
- Why do we need yet another C++ Test Framework?
- Tutorial - getting started
- Reference section - all the details
More
- Issues and bugs can be raised on the Issue tracker on GitHub
- For discussion or questions please use the dedicated Google Groups forum
- See who else is using Catch2