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Document Catch2's API/ABI stability policies

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Martin Hořeňovský 2022-04-25 18:58:50 +02:00
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<a id="top"></a>
# Frequently Asked Questions (FAQ)
**Contents**<br>
[How do I run global setup/teardown only if tests will be run?](#how-do-i-run-global-setupteardown-only-if-tests-will-be-run)<br>
[How do I clean up global state between running different tests?](#how-do-i-clean-up-global-state-between-running-different-tests)<br>
[Why cannot I derive from the built-in reporters?](#why-cannot-i-derive-from-the-built-in-reporters)<br>
[What is Catch2's ABI stability policy?](#what-is-catch2s-abi-stability-policy)<br>
[What is Catch2's API stability policy?](#what-is-catch2s-api-stability-policy)<br>
## How do I run global setup/teardown only if tests will be run?
Write a custom [event listener](event-listeners.md#top) and place the
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as needed later.
## What is Catch2's ABI stability policy?
Catch2 provides no ABI stability guarantees whatsoever. Catch2 provides
rich C++ interface, and trying to freeze its ABI would take a lot of
pointless work.
Catch2 is not designed to be distributed as dynamic library, and you
should really be able to compile everything with the same compiler binary.
## What is Catch2's API stability policy?
Catch2 follows [semver](https://semver.org/) to the best of our ability.
This means that we will not knowingly make backwards-incompatible changes
without incrementing the major version number.
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[Home](Readme.md#top)