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From: Pallantla Poornima <pallantlax.poornima@intel.com>
To: dev@dpdk.org
Cc: reshma.pattan@intel.com, olivier.matz@6wind.com,
	bruce.richardson@intel.com, david.hunt@intel.com,
	jananeex.m.parthasarathy@intel.com,
	Pallantla Poornima <pallantlax.poornima@intel.com>
Subject: [dpdk-dev] [PATCH] app/test: add unit test cases to mempool library
Date: Tue, 10 Sep 2019 14:25:27 +0100
Message-ID: <1568121927-31317-1-git-send-email-pallantlax.poornima@intel.com> (raw)

Added UT in mempool.c to cover below functions:
rte_mempool_populate_anon()
rte_mempool_memchunk_anon_free()
get_anon_size()
rte_mempool_mem_iter()

Signed-off-by: Pallantla Poornima <pallantlax.poornima@intel.com>
---
 app/test/test_mempool.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/app/test/test_mempool.c b/app/test/test_mempool.c
index 7738c73db..8b20886c8 100644
--- a/app/test/test_mempool.c
+++ b/app/test/test_mempool.c
@@ -26,6 +26,7 @@
 #include <rte_spinlock.h>
 #include <rte_malloc.h>
 #include <rte_mbuf_pool_ops.h>
+#include <rte_mbuf.h>
 
 #include "test.h"
 
@@ -453,14 +454,41 @@ walk_cb(struct rte_mempool *mp, void *userdata __rte_unused)
 	printf("\t%s\n", mp->name);
 }
 
+struct mp_data {
+	int16_t ret;
+};
+
+static void
+test_mp_mem_init(struct rte_mempool *mp,
+		__rte_unused void *opaque,
+		__rte_unused struct rte_mempool_memhdr *memhdr,
+		__rte_unused unsigned int mem_idx)
+{
+	struct mp_data *data = opaque;
+
+	if (mp == NULL) {
+		data->ret = -1;
+		return;
+	}
+	/* nothing to be implemented here*/
+	data->ret = 0;
+}
+
 static int
 test_mempool(void)
 {
 	int ret = -1;
+	uint32_t nb_objs = 0;
+	uint32_t nb_mem_chunks = 0;
 	struct rte_mempool *mp_cache = NULL;
 	struct rte_mempool *mp_nocache = NULL;
+	struct rte_mempool *mp_stack_anon = NULL;
+	struct rte_mempool *mp_stack_mempool_iter = NULL;
 	struct rte_mempool *mp_stack = NULL;
 	struct rte_mempool *default_pool = NULL;
+	struct mp_data cb_arg = {
+		.ret = -1
+	};
 	const char *default_pool_ops = rte_mbuf_best_mempool_ops();
 
 	rte_atomic32_init(&synchro);
@@ -490,6 +518,50 @@ test_mempool(void)
 		goto err;
 	}
 
+	/* create an empty mempool  */
+	mp_stack_anon = rte_mempool_create_empty("test_stack_anon",
+		MEMPOOL_SIZE,
+		MEMPOOL_ELT_SIZE,
+		RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
+		SOCKET_ID_ANY, 0);
+
+	if (mp_stack_anon == NULL)
+		GOTO_ERR(ret, err);
+
+	/* populate an empty mempool */
+	ret = rte_mempool_populate_anon(mp_stack_anon);
+	printf("%s ret = %d\n", __func__, ret);
+	if (ret < 0)
+		GOTO_ERR(ret, err);
+
+	/* Try to populate when already populated */
+	ret = rte_mempool_populate_anon(mp_stack_anon);
+	if (ret != 0)
+		GOTO_ERR(ret, err);
+
+	/* create a mempool  */
+	mp_stack_mempool_iter = rte_mempool_create("test_iter_obj",
+		MEMPOOL_SIZE,
+		MEMPOOL_ELT_SIZE,
+		RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
+		NULL, NULL,
+		my_obj_init, NULL,
+		SOCKET_ID_ANY, 0);
+
+	if (mp_stack_mempool_iter == NULL)
+		GOTO_ERR(ret, err);
+
+	/* test to initialize mempool objects and memory */
+	nb_objs = rte_mempool_obj_iter(mp_stack_mempool_iter, rte_pktmbuf_init,
+			NULL);
+	if (nb_objs == 0)
+		GOTO_ERR(ret, err);
+
+	nb_mem_chunks = rte_mempool_mem_iter(mp_stack_mempool_iter,
+			test_mp_mem_init, &cb_arg);
+	if (nb_mem_chunks == 0 || cb_arg.ret < 0)
+		GOTO_ERR(ret, err);
+
 	/* create a mempool with an external handler */
 	mp_stack = rte_mempool_create_empty("test_stack",
 		MEMPOOL_SIZE,
@@ -585,6 +657,8 @@ test_mempool(void)
 err:
 	rte_mempool_free(mp_nocache);
 	rte_mempool_free(mp_cache);
+	rte_mempool_free(mp_stack_anon);
+	rte_mempool_free(mp_stack_mempool_iter);
 	rte_mempool_free(mp_stack);
 	rte_mempool_free(default_pool);
 
-- 
2.14.1


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