[dpdk-dev] [PATCH v2 2/2] test: update common auto test

[Pavan Nikhilesh]

Update common auto test to include test for previous power of 2 for both
32 and 64bit integers.

Signed-off-by: Pavan Nikhilesh <pbhagavat...@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))
-- 
2.16.1