From 817ea87b6edab2d25a2994f076562ee03aa91fc6 Mon Sep 17 00:00:00 2001 From: Damien Lespiau Date: Sat, 27 Jun 2015 16:42:50 +0100 Subject: stats: Test we do correctly invalidate the sorted array Chris had a doubt, and I was lazy and didn't do a similar test for the quartiles/median than for the mean (test_invalidate_mean()). Plug that gap. Signed-off-by: Damien Lespiau --- lib/tests/igt_stats.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'lib/tests') diff --git a/lib/tests/igt_stats.c b/lib/tests/igt_stats.c index c0649f33..dfdc5072 100644 --- a/lib/tests/igt_stats.c +++ b/lib/tests/igt_stats.c @@ -120,6 +120,24 @@ static void test_quartiles(void) igt_stats_fini(&stats); } +static void test_invalidate_sorted(void) +{ + igt_stats_t stats; + static const uint64_t s1_truncated[] = + { 47, 49, 6, 7, 15, 36, 39, 40, 41, 42}; + double median1, median2; + + igt_stats_init(&stats, ARRAY_SIZE(s1_truncated) + 1); + igt_stats_push_array(&stats, s1_truncated, ARRAY_SIZE(s1_truncated)); + median1 = igt_stats_get_median(&stats); + + igt_stats_push(&stats, 43); + median2 = igt_stats_get_median(&stats); + + igt_assert_eq_double(median2, 40); + igt_assert(median1 != median2); +} + static void test_mean(void) { igt_stats_t stats; @@ -193,6 +211,7 @@ igt_simple_main test_min_max(); test_range(); test_quartiles(); + test_invalidate_sorted(); test_mean(); test_invalidate_mean(); test_std_deviation(); -- cgit v1.2.3