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Make testing_disable_reproducible_rng() log seed on test failure

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This should let us simplify test_prob_distr.c and other stuff in the
future.
This commit is contained in:
Nick Mathewson 2019-05-14 19:49:50 -04:00
parent e4feb4ad01
commit 261d43cdd5
2 changed files with 17 additions and 3 deletions
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17
src/test/rng_test_helpers.c
View File

@ -17,6 +17,7 @@
#include "core/or/or.h"
#include "lib/crypt_ops/crypto_rand.h"
#include "ext/tinytest.h"
#include "test/rng_test_helpers.h"
@ -54,7 +55,8 @@ static uint8_t rng_seed[16];
static crypto_xof_t *rng_xof = NULL;
/**
* Print the seed for our PRNG to stdout. We use this when we're
* Print the seed for our PRNG to stdout. We use this when we're failed
* test that had a reproducible RNG set.
**/
void
testing_dump_reproducible_rng_seed(void)
@ -224,3 +226,16 @@ testing_disable_rng_override(void)
rng_is_replaced = false;
}
/**
* As testing_disable_rng_override(), but dump the seed if the current
* test has failed.
*/
void
testing_disable_reproducible_rng(void)
{
if (tinytest_cur_test_has_failed()) {
testing_dump_reproducible_rng_seed();
}
testing_disable_rng_override();
}

3
src/test/rng_test_helpers.h
View File

@ -14,8 +14,7 @@ void testing_prefilled_rng_reset(void);
void testing_disable_rng_override(void);
#define testing_disable_reproducible_rng() \
testing_disable_rng_override()
void testing_disable_reproducible_rng(void);
#define testing_disable_deterministic_rng() \
testing_disable_rng_override()
#define testing_disable_prefilled_rng() \