diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/test/test.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/test.c b/src/test/test.c index 41fca424ca..b1e5345b3c 100644 --- a/src/test/test.c +++ b/src/test/test.c @@ -350,6 +350,18 @@ test_onion_queues(void *arg) tor_free(onionskin); } +static crypto_cipher_t *crypto_rand_aes_cipher = NULL; + +// Mock replacement for crypto_rand: Generates bytes from a provided AES_CTR +// cipher in <b>crypto_rand_aes_cipher</b>. +static void +crypto_rand_deterministic_aes(char *out, size_t n) +{ + tor_assert(crypto_rand_aes_cipher); + memset(out, 0, n); + crypto_cipher_crypt_inplace(crypto_rand_aes_cipher, out, n); +} + static void test_circuit_timeout(void *arg) { @@ -379,6 +391,11 @@ test_circuit_timeout(void *arg) state = or_state_new(); + // Use a deterministic RNG here, or else we'll get nondeterministic + // coverage in some of the circuitstats functions. + MOCK(crypto_rand, crypto_rand_deterministic_aes); + crypto_rand_aes_cipher = crypto_cipher_new("xyzzyplughplover"); + circuitbuild_running_unit_tests(); #define timeout0 (build_time_t)(30*1000.0) initial.Xm = 3000; @@ -513,6 +530,8 @@ test_circuit_timeout(void *arg) circuit_build_times_free_timeouts(&final); or_state_free(state); teardown_periodic_events(); + UNMOCK(crypto_rand); + crypto_cipher_free(crypto_rand_aes_cipher); } /** Test encoding and parsing of rendezvous service descriptors. */ |