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-rw-r--r--tests/test-throttle.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/tests/test-throttle.c b/tests/test-throttle.c
index 41c0dd2529..bf7a5a648a 100644
--- a/tests/test-throttle.c
+++ b/tests/test-throttle.c
@@ -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);