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throttle: Check that burst_level leaks correctly 

This patch expands test_leak_bucket() to check that burst_level leaks
correctly.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2016-02-18 12:27:05 +02:00 committed by Kevin Wolf
parent 398befdf50
commit eb8a1a1cbd
1 changed files with 16 additions and 0 deletions
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16
tests/test-throttle.c
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@ -60,6 +60,22 @@ static void test_leak_bucket(void)
g_assert(bkt.avg == 150);
g_assert(bkt.max == 15);
g_assert(double_cmp(bkt.level, 0));
/* check that burst_level leaks correctly */
bkt.burst_level = 6;
bkt.max = 250;
bkt.burst_length = 2; /* otherwise burst_level will not leak */
throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 100);
g_assert(double_cmp(bkt.burst_level, 3.5));
throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 100);
g_assert(double_cmp(bkt.burst_level, 1));
throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 100);
g_assert(double_cmp(bkt.burst_level, 0));
throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 100);
g_assert(double_cmp(bkt.burst_level, 0));
}
static void test_compute_wait(void)