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Top 5 C++ test-framework Projects
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Catch
A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
The C++ testing framework Catch2 enables this kind of testing. The first time I saw it I couldn't figure out how some of the tests would even pass.
It turns out that using some evil macro magic, each test re-runs from the start for each inner section [1]. It also makes deduplicating setup code completely painless and natural.
You just have to get over the completely non-standard control flow. It's a good standard bearer for why metaprogramming is great, even if you're forced to do it in C/C++'s awful macro system.
[1] https://github.com/catchorg/Catch2/blob/devel/docs/tutorial....
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JetBrains
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xtd
Free open-source modern C++20 framework to create console (CLI), forms (GUI like WinForms) and unit test (xUnit) applications and libraries on Windows, macOS, Linux, iOS, Android, FreeBSD, and Haiku.
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Project mention: Mix Assertion, Logging, Unit Testing and Fuzzing with ZeroErr Framework | news.ycombinator.com | 2024-09-23
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ test-framework discussion
C++ test-framework related posts
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Functional Tests as a Tree of Continuations
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C++ Comparison Operator Craziness
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How can I check the execution time of a program rendered in SFML?
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Semi crise existentielle de développeur
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`DestroyJavaVM()` failing on OpenJ9?
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[Cpp] Comment testez-vous la couverture du code C ++? Y a-t-il des solutions multiplateforme viables?
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How do you use the Catch testing library?
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source test-framework projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Catch | 19,728 |
| 2 | xtd | 1,051 |
| 3 | CIDLib | 213 |
| 4 | KmTest | 50 |
| 5 | zeroerr | 34 |
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