[dpdk-dev] [PATCH v3 2/2] test: update common auto test
Pavan Nikhilesh
pbhagavatula at caviumnetworks.com
Wed Apr 4 12:16:06 CEST 2018
Update common auto test to include test for previous power of 2 for both
32 and 64bit integers.
Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
---
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..2115cc78f 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 = 1; i <= MAX_NUM; i++) {
+ if (rte_align32prevpow2(i) != p)
+ FAIL_ALIGN("rte_align32prevpow2", i, p);
+ if (rte_is_power_of_2(i + 1))
+ p = i + 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 = 1; j <= MAX_NUM ; j++) {
+ if (rte_align64prevpow2(j) != q)
+ printf("rte_align64prevpow2() test failed: %lu %lu\n",
+ j, q);
+ if (rte_is_power_of_2(j + 1))
+ q = j + 1;
+ }
+
for (p = 2; p <= MAX_NUM; p <<= 1) {
if (!rte_is_power_of_2(p))
--
2.16.3
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