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This event listener performs basic consistency checks (akin to matching braces) on events that are passed to the listeners when the `SelfTest` test binary is run. The current checks are about nesting events (e.g. `testCaseStarting` cannot be received before `testRunStarting`, `sectionStarting` can only be received when a test case is active, etc), and matching up counts of starting/ended events. The simplicity means that it could be confused by starting/ended events matching up but being out of order, e.g. ``` * test case A starting * test case B ended * test case B starting * test case A ended ``` would be accepted, even though it is wrong. However, doing full order checking would be much more implementation work, for relatively little benefit, so it is left out for now.
Catch2 v3 is being developed!
You are on the devel branch, where the next major version, v3, of
Catch2 is being developed. As it is a significant rework, you will
find that parts of this documentation are likely still stuck on v2.
For stable (and documentation-matching) version of Catch2, go to the
v2.x branch.
For migrating from the v2 releases to v3, you should look at our documentation. It provides a simple guidelines on getting started, and collects most common migration problems.
What's the Catch2?
Catch2 is mainly a unit testing framework for C++, but it also provides basic micro-benchmarking features, and simple BDD macros.
Catch2's main advantage is that using it is both simple and natural. Tests autoregister themselves and do not have to be named with valid identifiers, assertions look like normal C++ code, and sections provide a nice way to share set-up and tear-down code in tests.
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