Matthias Noback • 1/28/2026

Fortran - Testing - Returning test and assertion errors

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This technical article discusses enhancing a Fortran testing framework by moving from simple boolean assertion returns to a custom error type (assertion_failed_t). It details refactoring the assert_equals function to return structured error messages, improving output handling by delegating printing to a test runner, and introduces helper functions for string conversion.

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#unit testing #error handling #test framework
Fortran - Testing - Returning test and assertion errors

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