There are test programs, not just unit tests
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
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@ -68,7 +68,7 @@ Sometimes the substitutable function is a `static inline` function that does not
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With `MBEDTLS_TEST_HOOKS` set, `mbedtls_foo` is a global variable of function pointer type. This global variable is initialized to the system function, or to a function that does nothing. The global variable is defined in a header in the `library` directory such as `psa_crypto_invasive.h`.
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In test code that needs to modify the internal behavior:
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In unit test code that needs to modify the internal behavior:
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* The test function (or the whole test file) must depend on `MBEDTLS_TEST_HOOKS`.
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* At the beginning of the function, set the global function pointers to the desired value.
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@ -283,7 +283,7 @@ Goal: test the absence of memory leaks.
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Solution ([instrumentation](#runtime-instrumentation)): run tests with ASan. (We also use Valgrind, but it's slower than ASan, so we favor ASan.)
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Since we run many test jobs with a memory leak detector, each test function must clean up after itself. Use the cleanup code (after the `exit` label) to free any memory that the function may have allocated.
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Since we run many test jobs with a memory leak detector, each test function or test program must clean up after itself. Use the cleanup code (after the `exit` label in test functions) to free any memory that the function may have allocated.
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#### Robustness against memory allocation failure
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