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throttle: Test the valid range of config values 

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: a57dd6274e1b6dc9c28769fec4c7ea543be5c5e3.1503580370.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alberto Garcia 2017-08-24 16:24:49 +03:00 committed by Stefan Hajnoczi
parent 67335a4558
commit d942feec97
1 changed files with 77 additions and 0 deletions
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77
tests/test-throttle.c
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@ -378,6 +378,82 @@ static void test_is_valid(void)
test_is_valid_for_value(1, true);
}
static void test_ranges(void)
{
int i;
for (i = 0; i < BUCKETS_COUNT; i++) {
LeakyBucket *b = &cfg.buckets[i];
throttle_config_init(&cfg);
/* avg = 0 means throttling is disabled, but the config is valid */
b->avg = 0;
g_assert(throttle_is_valid(&cfg, NULL));
g_assert(!throttle_enabled(&cfg));
/* These are valid configurations (values <= THROTTLE_VALUE_MAX) */
b->avg = 1;
g_assert(throttle_is_valid(&cfg, NULL));
b->avg = THROTTLE_VALUE_MAX;
g_assert(throttle_is_valid(&cfg, NULL));
b->avg = THROTTLE_VALUE_MAX;
b->max = THROTTLE_VALUE_MAX;
g_assert(throttle_is_valid(&cfg, NULL));
/* Values over THROTTLE_VALUE_MAX are not allowed */
b->avg = THROTTLE_VALUE_MAX + 1;
g_assert(!throttle_is_valid(&cfg, NULL));
b->avg = THROTTLE_VALUE_MAX;
b->max = THROTTLE_VALUE_MAX + 1;
g_assert(!throttle_is_valid(&cfg, NULL));
/* burst_length must be between 1 and THROTTLE_VALUE_MAX */
b->avg = 1;
b->max = 1;
b->burst_length = 0;
g_assert(!throttle_is_valid(&cfg, NULL));
b->avg = 1;
b->max = 1;
b->burst_length = 1;
g_assert(throttle_is_valid(&cfg, NULL));
b->avg = 1;
b->max = 1;
b->burst_length = THROTTLE_VALUE_MAX;
g_assert(throttle_is_valid(&cfg, NULL));
b->avg = 1;
b->max = 1;
b->burst_length = THROTTLE_VALUE_MAX + 1;
g_assert(!throttle_is_valid(&cfg, NULL));
/* burst_length * max cannot exceed THROTTLE_VALUE_MAX */
b->avg = 1;
b->max = 2;
b->burst_length = THROTTLE_VALUE_MAX / 2;
g_assert(throttle_is_valid(&cfg, NULL));
b->avg = 1;
b->max = 3;
b->burst_length = THROTTLE_VALUE_MAX / 2;
g_assert(!throttle_is_valid(&cfg, NULL));
b->avg = 1;
b->max = THROTTLE_VALUE_MAX;
b->burst_length = 1;
g_assert(throttle_is_valid(&cfg, NULL));
b->avg = 1;
b->max = THROTTLE_VALUE_MAX;
b->burst_length = 2;
g_assert(!throttle_is_valid(&cfg, NULL));
}
}
static void test_max_is_missing_limit(void)
{
int i;
@ -669,6 +745,7 @@ int main(int argc, char **argv)
g_test_add_func("/throttle/config/enabled", test_enabled);
g_test_add_func("/throttle/config/conflicting", test_conflicting_config);
g_test_add_func("/throttle/config/is_valid", test_is_valid);
g_test_add_func("/throttle/config/ranges", test_ranges);
g_test_add_func("/throttle/config/max", test_max_is_missing_limit);
g_test_add_func("/throttle/config/iops_size",
test_iops_size_is_missing_limit);