[dpdk-dev] [PATCH v2 2/2] test/bitmap: add bitmap create with all bits set case

[Suanming Mou]

Add the case to verify bitmap create with all bits set works
correctly.

Signed-off-by: Suanming Mou <suanmi...@mellanox.com>
---
 app/test/test_bitmap.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)

diff --git a/app/test/test_bitmap.c b/app/test/test_bitmap.c
index 95c5184..a8204d3 100644
--- a/app/test/test_bitmap.c
+++ b/app/test/test_bitmap.c
@@ -146,7 +146,7 @@
 }
 
 static int
-test_bitmap(void)
+test_bitmap_all_clear(void)
 {
        void *mem;
        uint32_t bmp_size;
@@ -182,4 +182,59 @@
        return TEST_SUCCESS;
 }
 
+static int
+test_bitmap_all_set(void)
+{
+       void *mem;
+       uint32_t i;
+       uint64_t slab;
+       uint32_t pos;
+       uint32_t bmp_size;
+       struct rte_bitmap *bmp;
+
+       bmp_size =
+               rte_bitmap_get_memory_footprint(MAX_BITS);
+
+       mem = rte_zmalloc("test_bmap", bmp_size, RTE_CACHE_LINE_SIZE);
+       if (mem == NULL) {
+               printf("Failed to allocate memory for bitmap\n");
+               return TEST_FAILED;
+       }
+
+       bmp = rte_bitmap_init_with_all_set(MAX_BITS, mem, bmp_size);
+       if (bmp == NULL) {
+               printf("Failed to init bitmap\n");
+               return TEST_FAILED;
+       }
+
+       for (i = 0; i < MAX_BITS; i++) {
+               pos = slab = 0;
+               if (!rte_bitmap_scan(bmp, &pos, &slab)) {
+                       printf("Failed with init bitmap.\n");
+                       return TEST_FAILED;
+               }
+               pos += (slab ? __builtin_ctzll(slab) : 0);
+               rte_bitmap_clear(bmp, pos);
+       }
+
+       if (rte_bitmap_scan(bmp, &pos, &slab)) {
+               printf("Too much bits set.\n");
+               return TEST_FAILED;
+       }
+
+       rte_bitmap_free(bmp);
+       rte_free(mem);
+
+       return TEST_SUCCESS;
+
+}
+
+static int
+test_bitmap(void)
+{
+       if (test_bitmap_all_clear() != TEST_SUCCESS)
+               return TEST_FAILED;
+       return test_bitmap_all_set();
+}
+
 REGISTER_TEST_COMMAND(bitmap_test, test_bitmap);
-- 
1.8.3.1