check_config.h: unit tests #192
Merged
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Unit tests for compile-time configuration checks. A step towards Mbed-TLS/mbedtls#10147.
The tests are done by injecting custom content into the user config files (
TF_PSA_CRYPTO_CONFIG_FILE
,MBEDTLS_USER_CONFIG_FILE
), and running the preprocessor on one C file. So this can't catch#error
run in other files, and this can't catch static assertions. Those features might be desirable but they are out of scope here.With this pull request alone, nothing is added to the CI. This will come on the consuming branches: Mbed-TLS/TF-PSA-Crypto#387 and Mbed-TLS/mbedtls#10319
Follow-up: a framework to generate more config checks in #164.
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