From eb8a1a1cbda15d776d6d505f14f61c7852f6a51a Mon Sep 17 00:00:00 2001 From: Alberto Garcia Date: Thu, 18 Feb 2016 12:27:05 +0200 Subject: [PATCH] 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 Reviewed-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- tests/test-throttle.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tests/test-throttle.c b/tests/test-throttle.c index 34f1f9e..145ba08 100644 --- a/tests/test-throttle.c +++ b/tests/test-throttle.c @@ -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) -- 2.7.4