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There are test programs, not just unit tests

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
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Gilles Peskine 2020-05-11 23:06:12 +02:00
parent 5925183b8a
commit 688f6cc591
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docs/architecture/testing/invasive-testing.md
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@ -68,7 +68,7 @@ Sometimes the substitutable function is a `static inline` function that does not
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`. 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`.
In test code that needs to modify the internal behavior: In unit test code that needs to modify the internal behavior:
* The test function (or the whole test file) must depend on `MBEDTLS_TEST_HOOKS`. * The test function (or the whole test file) must depend on `MBEDTLS_TEST_HOOKS`.
* At the beginning of the function, set the global function pointers to the desired value. * At the beginning of the function, set the global function pointers to the desired value.
@ -283,7 +283,7 @@ Goal: test the absence of memory leaks.
Solution ([instrumentation](#runtime-instrumentation)): run tests with ASan. (We also use Valgrind, but it's slower than ASan, so we favor ASan.) Solution ([instrumentation](#runtime-instrumentation)): run tests with ASan. (We also use Valgrind, but it's slower than ASan, so we favor ASan.)
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. 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.
#### Robustness against memory allocation failure #### Robustness against memory allocation failure