[PATCH 2/2] test: update common auto test
From: Pavan Nikhilesh <hidden>
Date: 2018-02-17 10:50:08
Subsystem:
the rest · Maintainer:
Linus Torvalds
Update common auto test to include test for previous power of 2 for both 32 and 64bit integers. Signed-off-by: Pavan Nikhilesh <redacted> --- test/test/test_common.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/test/test/test_common.c b/test/test/test_common.c
index d0342430f..16e6b585a 100644
--- a/test/test/test_common.c
+++ b/test/test/test_common.c@@ -80,6 +80,7 @@ test_align(void) val / pow != (i / pow) + 1) /* if not aligned, hence +1 */ uint32_t i, p, val; + uint64_t j, q; for (i = 1, p = 1; i <= MAX_NUM; i ++) { if (rte_align32pow2(i) != p)
@@ -88,6 +89,29 @@ test_align(void) p <<= 1; } + for (i = 1, p = 0; i <= MAX_NUM; i++) { + if (rte_align32lowpow2(i) != p) + FAIL_ALIGN("rte_align32lowpow2", i, p); + if (rte_is_power_of_2(i)) + p = p ? p << 1 : 1; + } + + for (j = 1, q = 1; j <= MAX_NUM ; j++) { + if (rte_align64pow2(j) != q) + printf("rte_align64pow2() test failed: %lu %lu\n", j, + q); + if (j == q) + q <<= 1; + } + + for (j = 1, q = 0; j <= MAX_NUM; j++) { + if (rte_align64lowpow2(j) != q) + printf("rte_align64lowpow2() test failed: %lu %lu\n", j, + q); + if (rte_is_power_of_2(j)) + q = q ? q << 1 : 1; + } + for (p = 2; p <= MAX_NUM; p <<= 1) { if (!rte_is_power_of_2(p))
--
2.16.1