[dpdk-dev] [PATCH v7 7/9] app/test: rte_memzone_free unit test

[Sergio Gonzalez Monroy]

Add new unit test for rte_memzone_free API.

Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com>
---
 app/test/test_memzone.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 80 insertions(+), 2 deletions(-)

diff --git a/app/test/test_memzone.c b/app/test/test_memzone.c
index 6934eee..c37f950 100644
--- a/app/test/test_memzone.c
+++ b/app/test/test_memzone.c
@@ -432,7 +432,6 @@ test_memzone_reserve_max(void)
                printf("Expected size = %zu, actual size = %zu\n", maxlen, 
mz->len);
                rte_dump_physmem_layout(stdout);
                rte_memzone_dump(stdout);
-
                return -1;
        }
        return 0;
@@ -472,7 +471,6 @@ test_memzone_reserve_max_aligned(void)
                                maxlen, mz->len);
                rte_dump_physmem_layout(stdout);
                rte_memzone_dump(stdout);
-
                return -1;
        }
        return 0;
@@ -684,6 +682,82 @@ test_memzone_bounded(void)
 }

 static int
+test_memzone_free(void)
+{
+       const struct rte_memzone *mz[RTE_MAX_MEMZONE];
+       int i;
+       char name[20];
+
+       mz[0] = rte_memzone_reserve("tempzone0", 2000, SOCKET_ID_ANY, 0);
+       mz[1] = rte_memzone_reserve("tempzone1", 4000, SOCKET_ID_ANY, 0);
+
+       if (mz[0] > mz[1])
+               return -1;
+       if (!rte_memzone_lookup("tempzone0"))
+               return -1;
+       if (!rte_memzone_lookup("tempzone1"))
+               return -1;
+
+       if (rte_memzone_free(mz[0])) {
+               printf("Fail memzone free - tempzone0\n");
+               return -1;
+       }
+       if (rte_memzone_lookup("tempzone0")) {
+               printf("Found previously free memzone - tempzone0\n");
+               return -1;
+       }
+       mz[2] = rte_memzone_reserve("tempzone2", 2000, SOCKET_ID_ANY, 0);
+
+       if (mz[2] > mz[1]) {
+               printf("tempzone2 should have gotten the free entry from 
tempzone0\n");
+               return -1;
+       }
+       if (rte_memzone_free(mz[2])) {
+               printf("Fail memzone free - tempzone2\n");
+               return -1;
+       }
+       if (rte_memzone_lookup("tempzone2")) {
+               printf("Found previously free memzone - tempzone2\n");
+               return -1;
+       }
+       if (rte_memzone_free(mz[1])) {
+               printf("Fail memzone free - tempzone1\n");
+               return -1;
+       }
+       if (rte_memzone_lookup("tempzone1")) {
+               printf("Found previously free memzone - tempzone1\n");
+               return -1;
+       }
+
+       i = 0;
+       do {
+               snprintf(name, sizeof(name), "tempzone%u", i);
+               mz[i] = rte_memzone_reserve(name, 1, SOCKET_ID_ANY, 0);
+       } while (mz[i++] != NULL);
+
+       if (rte_memzone_free(mz[0])) {
+               printf("Fail memzone free - tempzone0\n");
+               return -1;
+       }
+       mz[0] = rte_memzone_reserve("tempzone0new", 0, SOCKET_ID_ANY, 0);
+
+       if (mz[0] == NULL) {
+               printf("Fail to create memzone - tempzone0new - when MAX 
memzones were "
+                               "created and one was free\n");
+               return -1;
+       }
+
+       for (i = i - 2; i >= 0; i--) {
+               if (rte_memzone_free(mz[i])) {
+                       printf("Fail memzone free - tempzone%d\n", i);
+                       return -1;
+               }
+       }
+
+       return 0;
+}
+
+static int
 test_memzone(void)
 {
        const struct rte_memzone *memzone1;
@@ -763,6 +837,10 @@ test_memzone(void)
        if (mz != NULL)
                return -1;

+       printf("test free memzone\n");
+       if (test_memzone_free() < 0)
+               return -1;
+
        printf("test reserving memzone with bigger size than the maximum\n");
        if (test_memzone_reserving_zone_size_bigger_than_the_maximum() < 0)
                return -1;
-- 
1.9.3