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tests: random: rng: validate sys_csrand_get availability

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Validate that `sys_csrand_get` is available when `TEST_RANDOM_GENERATOR`
is enabled.

Signed-off-by: Jordan Yates <jordan@embeint.com>
This commit is contained in:
Jordan Yates 2024-06-20 17:13:06 +10:00 • committed by Henrik Brix Andersen
commit 0fb63c05d1
1 changed files with 8 additions and 2 deletions
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10
tests/subsys/random/rng/src/main.c
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@ -32,6 +32,7 @@ ZTEST(rng_common, test_rand32)
int rnd_cnt; int rnd_cnt;
int equal_count = 0; int equal_count = 0;
uint32_t buf[N_VALUES]; uint32_t buf[N_VALUES];
int err;
/* Test early boot random number generation function */ /* Test early boot random number generation function */
/* Cover the case, where argument "length" is < size of "size_t" */ /* Cover the case, where argument "length" is < size of "size_t" */
@ -91,7 +92,7 @@ ZTEST(rng_common, test_rand32)
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
int err = sys_csrand_get(buf, sizeof(buf)); err = sys_csrand_get(buf, sizeof(buf));
zassert_true(err == 0, "sys_csrand_get returned an error"); zassert_true(err == 0, "sys_csrand_get returned an error");
@ -110,7 +111,12 @@ ZTEST(rng_common, test_rand32)
#else #else
printk("Cryptographically secure random number APIs not enabled\n"); printk("Cryptographically secure implementation not enabled\n");
printk("Ensure sys_csrand_get passes for library usage\n");
err = sys_csrand_get(buf, sizeof(buf));
zassert_true(err == 0, "sys_csrand_get returned an error");
#endif /* CONFIG_CSPRNG_ENABLED */ #endif /* CONFIG_CSPRNG_ENABLED */
} }