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When running tests in parallel, CTest runs the tests in decreasing order of cost (time required), to get the largest speed up from parallelism. However, the initial cost estimates for all tests are 0, and they are only updated after a test run. This works on a dev machine, where the tests are ran over and over again, because eventually the estimates become quite precise, but CI always does a clean build with 0 estimates. Because we have 2 slow tests, we want them to run first to avoid losing parallelism. To do this, we provide them with a cost estimate manually.
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 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 or our Discord
- See who else is using Catch2