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Test & PolishFrameworkOpen sourceFree
doctest
A single-header open framework focused on fast compilation, embeddable test runners, assertions, and subcases.
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Why it’s here
Small engines and libraries keep regression cases close to code without a large testing dependency.
Best fit
Testing, performance, accessibility, and diagnostics expose friction before launch.
quality-assuranceengineering
Before you commit
Reporting and ecosystem are leaner than larger frameworks; explicitly configure whether tests remain in release builds.