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Test & PolishFrameworkOpen sourceFree
doctest
A single-header open framework focused on fast compilation, embeddable test runners, assertions, and subcases.
Visit official siteContent updated Aug 1, 2026Automated check reached the official site · Checked Aug 24, 2026
Why use it
Small engines and libraries keep regression cases close to code without a large testing dependency.
Where it fits
Use testing, performance, accessibility, and diagnostic tools to remove problems players will notice.
quality-assuranceengineering
What to check
Reporting and ecosystem are leaner than larger frameworks; explicitly configure whether tests remain in release builds.