This patch supports rte_memarea_alloc() and rte_memarea_free() API
test.

Signed-off-by: Chengwen Feng <fengcheng...@huawei.com>
Reviewed-by: Dongdong Liu <liudongdo...@huawei.com>
Acked-by: Morten Brørup <m...@smartsharesystems.com>
---
 app/test/test_memarea.c | 214 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 213 insertions(+), 1 deletion(-)

diff --git a/app/test/test_memarea.c b/app/test/test_memarea.c
index d8d5fc35d4..4053cdcac9 100644
--- a/app/test/test_memarea.c
+++ b/app/test/test_memarea.c
@@ -23,6 +23,12 @@ test_memarea_init_param(struct rte_memarea_param *init)
        init->mt_safe = 1;
 }
 
+static void
+test_memarea_fill_region(void *ptr, size_t size)
+{
+       memset(ptr, 0xff, size);
+}
+
 static int
 test_memarea_create_bad_param(void)
 {
@@ -95,7 +101,7 @@ test_memarea_create_bad_param(void)
 static int
 test_memarea_create_destroy(void)
 {
-       struct rte_memarea *ma;
+       struct rte_memarea *ma, *src_ma;
        struct rte_memarea_param init;
 
        rte_errno = 0;
@@ -115,6 +121,207 @@ test_memarea_create_destroy(void)
        TEST_ASSERT(ma != NULL, "Expected Non-NULL");
        rte_memarea_destroy(ma);
 
+       /* test for create with another memarea */
+       test_memarea_init_param(&init);
+       init.source = RTE_MEMAREA_SOURCE_LIBC;
+       src_ma = rte_memarea_create(&init);
+       TEST_ASSERT(src_ma != NULL, "Expected Non-NULL");
+       test_memarea_init_param(&init);
+       init.source = RTE_MEMAREA_SOURCE_MEMAREA;
+       init.total_sz = init.total_sz >> 1;
+       init.ma.src = src_ma;
+       ma = rte_memarea_create(&init);
+       TEST_ASSERT(ma != NULL, "Expected Non-NULL");
+       rte_memarea_destroy(ma);
+       rte_memarea_destroy(src_ma);
+
+       TEST_ASSERT(rte_errno == 0, "Expected ZERO");
+
+       return 0;
+}
+
+static int
+test_memarea_alloc_bad_param(void)
+{
+       struct rte_memarea_param init;
+       struct rte_memarea *ma;
+       size_t size;
+       void *ptr;
+
+       test_memarea_init_param(&init);
+       init.source = RTE_MEMAREA_SOURCE_LIBC;
+       init.total_sz = MEMAREA_TEST_DEFAULT_SIZE;
+       ma = rte_memarea_create(&init);
+       TEST_ASSERT(ma != NULL, "Expected Non-NULL");
+
+       /* test for invalid ma */
+       ptr = rte_memarea_alloc(NULL, 1);
+       TEST_ASSERT(ptr == NULL, "Expected NULL");
+       TEST_ASSERT(rte_errno == EINVAL, "Expected EINVAL");
+
+       /* test for invalid size (size = 0) */
+       ptr = rte_memarea_alloc(ma, 0);
+       TEST_ASSERT(ptr == NULL, "Expected NULL");
+       TEST_ASSERT(rte_errno == EINVAL, "Expected EINVAL");
+
+       /* test for invalid size (size rewind) */
+       memset(&size, 0xff, sizeof(size));
+       ptr = rte_memarea_alloc(ma, size);
+       TEST_ASSERT(ptr == NULL, "Expected NULL");
+       TEST_ASSERT(rte_errno == EINVAL, "Expected EINVAL");
+
+       rte_memarea_destroy(ma);
+
+       return 0;
+}
+
+static int
+test_memarea_free_bad_param(void)
+{
+       struct rte_memarea_param init;
+       struct rte_memarea *ma;
+       void *ptr;
+
+       test_memarea_init_param(&init);
+       init.source = RTE_MEMAREA_SOURCE_LIBC;
+       init.total_sz = MEMAREA_TEST_DEFAULT_SIZE;
+       ma = rte_memarea_create(&init);
+       TEST_ASSERT(ma != NULL, "Expected Non-NULL");
+       ptr = rte_memarea_alloc(ma, 1);
+       TEST_ASSERT(ptr != NULL, "Expected Non-NULL");
+       test_memarea_fill_region(ptr, 1);
+
+       /* test for invalid ma */
+       rte_memarea_free(NULL, ptr);
+       TEST_ASSERT(rte_errno == EINVAL, "Expected EINVAL");
+
+       /* test for invalid ptr */
+       rte_memarea_free(ma, NULL);
+       TEST_ASSERT(rte_errno == EINVAL, "Expected EINVAL");
+
+       rte_memarea_destroy(ma);
+
+       return 0;
+}
+
+static int
+test_memarea_alloc_fail(void)
+{
+       struct rte_memarea_param init;
+       struct rte_memarea *ma;
+       void *ptr[2];
+
+       test_memarea_init_param(&init);
+       init.source = RTE_MEMAREA_SOURCE_LIBC;
+       init.total_sz = MEMAREA_TEST_DEFAULT_SIZE;
+       ma = rte_memarea_create(&init);
+       TEST_ASSERT(ma != NULL, "Expected Non-NULL");
+
+       /* test alloc fail with big size */
+       ptr[0] = rte_memarea_alloc(ma, MEMAREA_TEST_DEFAULT_SIZE);
+       TEST_ASSERT(ptr[0] == NULL, "Expected NULL");
+       TEST_ASSERT(rte_errno == ENOMEM, "Expected ENOMEM");
+
+       /* test alloc fail because no memory */
+       ptr[0] = rte_memarea_alloc(ma, MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       TEST_ASSERT(ptr[0] != NULL, "Expected Non-NULL");
+       test_memarea_fill_region(ptr[0], MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       ptr[1] = rte_memarea_alloc(ma, MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       TEST_ASSERT(ptr[1] == NULL, "Expected NULL");
+       TEST_ASSERT(rte_errno == ENOMEM, "Expected ENOMEM");
+       rte_memarea_free(ma, ptr[0]);
+
+       /* test alloc fail when second fail */
+       ptr[0] = rte_memarea_alloc(ma, MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       TEST_ASSERT(ptr[0] != NULL, "Expected Non-NULL");
+       test_memarea_fill_region(ptr[0], MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       ptr[1] = rte_memarea_alloc(ma, MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       TEST_ASSERT(ptr[1] == NULL, "Expected NULL");
+       TEST_ASSERT(rte_errno == ENOMEM, "Expected ENOMEM");
+       rte_memarea_free(ma, ptr[0]);
+       ptr[1] = rte_memarea_alloc(ma, MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       TEST_ASSERT(ptr[1] != NULL, "Expected Non-NULL");
+       test_memarea_fill_region(ptr[1], MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       rte_memarea_free(ma, ptr[1]);
+
+       rte_memarea_destroy(ma);
+
+       return 0;
+}
+
+static int
+test_memarea_free_fail(void)
+{
+       struct rte_memarea_param init;
+       struct rte_memarea *ma;
+       void *ptr;
+
+       test_memarea_init_param(&init);
+       init.source = RTE_MEMAREA_SOURCE_LIBC;
+       init.total_sz = MEMAREA_TEST_DEFAULT_SIZE;
+       ma = rte_memarea_create(&init);
+       TEST_ASSERT(ma != NULL, "Expected Non-NULL");
+
+       /* test repeat free */
+       rte_errno = 0;
+       ptr = rte_memarea_alloc(ma, MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       TEST_ASSERT(ptr != NULL, "Expected Non-NULL");
+       test_memarea_fill_region(ptr, MEMAREA_TEST_DEFAULT_SIZE >> 1);
+       rte_memarea_free(ma, ptr);
+       TEST_ASSERT(rte_errno == 0, "Expected Zero");
+       rte_memarea_free(ma, ptr);
+       TEST_ASSERT(rte_errno == EFAULT, "Expected EFAULT");
+
+       rte_memarea_destroy(ma);
+
+       return 0;
+}
+
+static int
+test_memarea_alloc_free(void)
+{
+#define ALLOC_MAX_NUM  8
+       struct rte_memarea_param init;
+       void *ptr[ALLOC_MAX_NUM];
+       struct rte_memarea *ma;
+       int i;
+
+       test_memarea_init_param(&init);
+       init.source = RTE_MEMAREA_SOURCE_LIBC;
+       init.total_sz = MEMAREA_TEST_DEFAULT_SIZE;
+       ma = rte_memarea_create(&init);
+       TEST_ASSERT(ma != NULL, "Expected Non-NULL");
+       memset(ptr, 0, sizeof(ptr));
+
+       rte_errno = 0;
+
+       /* test random alloc and free */
+       for (i = 0; i < ALLOC_MAX_NUM; i++) {
+               ptr[i] = rte_memarea_alloc(ma, 1);
+               TEST_ASSERT(ptr[i] != NULL, "Expected Non-NULL");
+               test_memarea_fill_region(ptr[i], 1);
+       }
+
+       /* test merge left */
+       rte_memarea_free(ma, ptr[0]);
+       rte_memarea_free(ma, ptr[1]);
+
+       /* test merge right */
+       rte_memarea_free(ma, ptr[7]);
+       rte_memarea_free(ma, ptr[6]);
+
+       /* test merge left and right */
+       rte_memarea_free(ma, ptr[3]);
+       rte_memarea_free(ma, ptr[2]);
+
+       /* test merge remains */
+       rte_memarea_free(ma, ptr[4]);
+       rte_memarea_free(ma, ptr[5]);
+
+       TEST_ASSERT(rte_errno == 0, "Expected Zero");
+
+       rte_memarea_destroy(ma);
+
        return 0;
 }
 
@@ -125,6 +332,11 @@ static struct unit_test_suite memarea_test_suite  = {
        .unit_test_cases = {
                TEST_CASE(test_memarea_create_bad_param),
                TEST_CASE(test_memarea_create_destroy),
+               TEST_CASE(test_memarea_alloc_bad_param),
+               TEST_CASE(test_memarea_free_bad_param),
+               TEST_CASE(test_memarea_alloc_fail),
+               TEST_CASE(test_memarea_free_fail),
+               TEST_CASE(test_memarea_alloc_free),
 
                TEST_CASES_END() /**< NULL terminate unit test array */
        }
-- 
2.17.1

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