test/ring: enhance debug info in failure cases
authorFeifei Wang <feifei.wang2@arm.com>
Sun, 20 Sep 2020 11:48:56 +0000 (06:48 -0500)
committerDavid Marchand <david.marchand@redhat.com>
Wed, 23 Sep 2020 09:23:10 +0000 (11:23 +0200)
Add more parameters into the macro TEST_RING_VERIFY and expand the scope
of application for it. Then replace all ring APIs check with
TEST_RING_VERIFY to facilitate debugging.

Furthermore, correct a spelling mistakes of the macro
TEST_RING_FULL_EMTPY_ITER.

Suggested-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
Reviewed-by: Phil Yang <phil.yang@arm.com>
Reviewed-by: Dharmik Thakkar <dharmik.thakkar@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
app/test/test_ring.c

index fb46614..a62cb26 100644 (file)
 #define RING_SIZE 4096
 #define MAX_BULK 32
 
-#define        TEST_RING_VERIFY(exp)                                           \
+/*
+ * Validate the return value of test cases and print details of the
+ * ring if validation fails
+ *
+ * @param exp
+ *   Expression to validate return value.
+ * @param r
+ *   A pointer to the ring structure.
+ */
+#define TEST_RING_VERIFY(exp, r, errst) do {                           \
        if (!(exp)) {                                                   \
                printf("error at %s:%d\tcondition " #exp " failed\n",   \
                    __func__, __LINE__);                                \
-               rte_ring_dump(stdout, r);                               \
-               return -1;                                              \
-       }
+               rte_ring_dump(stdout, (r));                             \
+               errst;                                                  \
+       }                                                               \
+} while (0)
 
-#define        TEST_RING_FULL_EMTPY_ITER       8
+#define TEST_RING_FULL_EMPTY_ITER      8
 
 static const int esize[] = {-1, 4, 8, 16, 20};
 
@@ -360,13 +370,10 @@ test_ring_negative_tests(void)
                        goto test_fail;
                }
 
-               if (rte_ring_lookup("test_ring_negative") != rp)
-                       goto test_fail;
+               TEST_RING_VERIFY(rte_ring_lookup("test_ring_negative") == rp,
+                                       rp, goto test_fail);
 
-               if (rte_ring_empty(rp) != 1) {
-                       printf("test_ring_nagative ring is not empty but it should be\n");
-                       goto test_fail;
-               }
+               TEST_RING_VERIFY(rte_ring_empty(rp) == 1, rp, goto test_fail);
 
                /* Tests if it would always fail to create ring with an used
                 * ring name.
@@ -426,44 +433,45 @@ test_ring_burst_bulk_tests1(unsigned int test_idx)
 
                printf("Random full/empty test\n");
 
-               for (j = 0; j != TEST_RING_FULL_EMTPY_ITER; j++) {
+               for (j = 0; j != TEST_RING_FULL_EMPTY_ITER; j++) {
                        /* random shift in the ring */
                        rand = RTE_MAX(rte_rand() % RING_SIZE, 1UL);
                        printf("%s: iteration %u, random shift: %u;\n",
                            __func__, i, rand);
                        ret = test_ring_enq_impl(r, cur_src, esize[i], rand,
                                                        test_idx);
-                       TEST_RING_VERIFY(ret != 0);
+                       TEST_RING_VERIFY(ret != 0, r, goto fail);
 
                        ret = test_ring_deq_impl(r, cur_dst, esize[i], rand,
                                                        test_idx);
-                       TEST_RING_VERIFY(ret == rand);
+                       TEST_RING_VERIFY(ret == rand, r, goto fail);
 
                        /* fill the ring */
                        ret = test_ring_enq_impl(r, cur_src, esize[i], rsz,
                                                        test_idx);
-                       TEST_RING_VERIFY(ret != 0);
+                       TEST_RING_VERIFY(ret != 0, r, goto fail);
 
-                       TEST_RING_VERIFY(rte_ring_free_count(r) == 0);
-                       TEST_RING_VERIFY(rsz == rte_ring_count(r));
-                       TEST_RING_VERIFY(rte_ring_full(r));
-                       TEST_RING_VERIFY(rte_ring_empty(r) == 0);
+                       TEST_RING_VERIFY(rte_ring_free_count(r) == 0, r, goto fail);
+                       TEST_RING_VERIFY(rsz == rte_ring_count(r), r, goto fail);
+                       TEST_RING_VERIFY(rte_ring_full(r), r, goto fail);
+                       TEST_RING_VERIFY(rte_ring_empty(r) == 0, r, goto fail);
 
                        /* empty the ring */
                        ret = test_ring_deq_impl(r, cur_dst, esize[i], rsz,
                                                        test_idx);
-                       TEST_RING_VERIFY(ret == (int)rsz);
-                       TEST_RING_VERIFY(rsz == rte_ring_free_count(r));
-                       TEST_RING_VERIFY(rte_ring_count(r) == 0);
-                       TEST_RING_VERIFY(rte_ring_full(r) == 0);
-                       TEST_RING_VERIFY(rte_ring_empty(r));
+                       TEST_RING_VERIFY(ret == (int)rsz, r, goto fail);
+
+                       TEST_RING_VERIFY(rsz == rte_ring_free_count(r), r, goto fail);
+                       TEST_RING_VERIFY(rte_ring_count(r) == 0, r, goto fail);
+                       TEST_RING_VERIFY(rte_ring_full(r) == 0, r, goto fail);
+                       TEST_RING_VERIFY(rte_ring_empty(r), r, goto fail);
 
                        /* check data */
                        temp_sz = rsz * sizeof(void *);
                        if (esize[i] != -1)
                                temp_sz = rsz * esize[i];
                        TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
-                                               temp_sz) == 0);
+                                               temp_sz) == 0, r, goto fail);
                }
 
                /* Free memory before test completed */
@@ -520,45 +528,40 @@ test_ring_burst_bulk_tests2(unsigned int test_idx)
 
                printf("enqueue 1 obj\n");
                ret = test_ring_enq_impl(r, cur_src, esize[i], 1, test_idx);
-               if (ret != 1)
-                       goto fail;
+               TEST_RING_VERIFY(ret == 1, r, goto fail);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], 1);
 
                printf("enqueue 2 objs\n");
                ret = test_ring_enq_impl(r, cur_src, esize[i], 2, test_idx);
-               if (ret != 2)
-                       goto fail;
+               TEST_RING_VERIFY(ret == 2, r, goto fail);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], 2);
 
                printf("enqueue MAX_BULK objs\n");
                ret = test_ring_enq_impl(r, cur_src, esize[i], MAX_BULK,
                                                test_idx);
-               if (ret != MAX_BULK)
-                       goto fail;
+               TEST_RING_VERIFY(ret == MAX_BULK, r, goto fail);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], MAX_BULK);
 
                printf("dequeue 1 obj\n");
                ret = test_ring_deq_impl(r, cur_dst, esize[i], 1, test_idx);
-               if (ret != 1)
-                       goto fail;
+               TEST_RING_VERIFY(ret == 1, r, goto fail);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], 1);
 
                printf("dequeue 2 objs\n");
                ret = test_ring_deq_impl(r, cur_dst, esize[i], 2, test_idx);
-               if (ret != 2)
-                       goto fail;
+               TEST_RING_VERIFY(ret == 2, r, goto fail);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], 2);
 
                printf("dequeue MAX_BULK objs\n");
                ret = test_ring_deq_impl(r, cur_dst, esize[i], MAX_BULK,
                                                test_idx);
-               if (ret != MAX_BULK)
-                       goto fail;
+               TEST_RING_VERIFY(ret == MAX_BULK, r, goto fail);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], MAX_BULK);
 
                /* check data */
-               if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
-                       goto fail;
+               TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
+                                       RTE_PTR_DIFF(cur_dst, dst)) == 0,
+                                       r, goto fail);
 
                /* Free memory before test completed */
                rte_ring_free(r);
@@ -615,22 +618,21 @@ test_ring_burst_bulk_tests3(unsigned int test_idx)
                for (j = 0; j < RING_SIZE / MAX_BULK; j++) {
                        ret = test_ring_enq_impl(r, cur_src, esize[i], MAX_BULK,
                                                        test_idx);
-                       if (ret != MAX_BULK)
-                               goto fail;
+                       TEST_RING_VERIFY(ret == MAX_BULK, r, goto fail);
                        cur_src = test_ring_inc_ptr(cur_src, esize[i],
                                                                MAX_BULK);
 
                        ret = test_ring_deq_impl(r, cur_dst, esize[i], MAX_BULK,
                                                        test_idx);
-                       if (ret != MAX_BULK)
-                               goto fail;
+                       TEST_RING_VERIFY(ret == MAX_BULK, r, goto fail);
                        cur_dst = test_ring_inc_ptr(cur_dst, esize[i],
                                                                MAX_BULK);
                }
 
                /* check data */
-               if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
-                       goto fail;
+               TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
+                                       RTE_PTR_DIFF(cur_dst, dst)) == 0,
+                                       r, goto fail);
 
                /* Free memory before test completed */
                rte_ring_free(r);
@@ -690,16 +692,14 @@ test_ring_burst_bulk_tests4(unsigned int test_idx)
                for (j = 0; j < (RING_SIZE/MAX_BULK - 1); j++) {
                        ret = test_ring_enq_impl(r, cur_src, esize[i], MAX_BULK,
                                                        test_idx);
-                       if (ret != MAX_BULK)
-                               goto fail;
+                       TEST_RING_VERIFY(ret == MAX_BULK, r, goto fail);
                        cur_src = test_ring_inc_ptr(cur_src, esize[i],
                                                                MAX_BULK);
                }
 
                printf("Enqueue 2 objects, free entries = MAX_BULK - 2\n");
                ret = test_ring_enq_impl(r, cur_src, esize[i], 2, test_idx);
-               if (ret != 2)
-                       goto fail;
+               TEST_RING_VERIFY(ret == 2, r, goto fail);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], 2);
 
                printf("Enqueue the remaining entries = MAX_BULK - 3\n");
@@ -711,34 +711,29 @@ test_ring_burst_bulk_tests4(unsigned int test_idx)
                /* Always one free entry left */
                ret = test_ring_enq_impl(r, cur_src, esize[i], num_elems,
                                                test_idx);
-               if (ret != MAX_BULK - 3)
-                       goto fail;
+               TEST_RING_VERIFY(ret == MAX_BULK - 3, r, goto fail);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], MAX_BULK - 3);
 
                printf("Test if ring is full\n");
-               if (rte_ring_full(r) != 1)
-                       goto fail;
+               TEST_RING_VERIFY(rte_ring_full(r) == 1, r, goto fail);
 
                printf("Test enqueue for a full entry\n");
                ret = test_ring_enq_impl(r, cur_src, esize[i], MAX_BULK,
                                                test_idx);
-               if (ret != 0)
-                       goto fail;
+               TEST_RING_VERIFY(ret == 0, r, goto fail);
 
                printf("Test dequeue without enough objects\n");
                for (j = 0; j < RING_SIZE / MAX_BULK - 1; j++) {
                        ret = test_ring_deq_impl(r, cur_dst, esize[i], MAX_BULK,
                                                        test_idx);
-                       if (ret != MAX_BULK)
-                               goto fail;
+                       TEST_RING_VERIFY(ret == MAX_BULK, r, goto fail);
                        cur_dst = test_ring_inc_ptr(cur_dst, esize[i],
                                                                MAX_BULK);
                }
 
                /* Available memory space for the exact MAX_BULK entries */
                ret = test_ring_deq_impl(r, cur_dst, esize[i], 2, test_idx);
-               if (ret != 2)
-                       goto fail;
+               TEST_RING_VERIFY(ret == 2, r, goto fail);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], 2);
 
                /* Bulk APIs enqueue exact number of elements */
@@ -748,18 +743,17 @@ test_ring_burst_bulk_tests4(unsigned int test_idx)
                        num_elems = MAX_BULK;
                ret = test_ring_deq_impl(r, cur_dst, esize[i], num_elems,
                                                test_idx);
-               if (ret != MAX_BULK - 3)
-                       goto fail;
+               TEST_RING_VERIFY(ret == MAX_BULK - 3, r, goto fail);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], MAX_BULK - 3);
 
                printf("Test if ring is empty\n");
                /* Check if ring is empty */
-               if (rte_ring_empty(r) != 1)
-                       goto fail;
+               TEST_RING_VERIFY(rte_ring_empty(r) == 1, r, goto fail);
 
                /* check data */
-               if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
-                       goto fail;
+               TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
+                                       RTE_PTR_DIFF(cur_dst, dst)) == 0,
+                                       r, goto fail);
 
                /* Free memory before test completed */
                rte_ring_free(r);
@@ -815,16 +809,10 @@ test_ring_basic_ex(void)
                }
                cur_dst = dst;
 
-               if (rte_ring_lookup("test_ring_basic_ex") != rp) {
-                       printf("%s: failed to find ring\n", __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(rte_ring_lookup("test_ring_basic_ex") == rp,
+                                       rp, goto fail_test);
 
-               if (rte_ring_empty(rp) != 1) {
-                       printf("%s: ring is not empty but it should be\n",
-                               __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(rte_ring_empty(rp) == 1, rp, goto fail_test);
 
                printf("%u ring entries are now free\n",
                        rte_ring_free_count(rp));
@@ -832,40 +820,25 @@ test_ring_basic_ex(void)
                for (j = 0; j < RING_SIZE - 1; j++) {
                        ret = test_ring_enqueue(rp, cur_src, esize[i], 1,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_SINGLE);
-                       if (ret != 0) {
-                               printf("%s: rte_ring_enqueue fails\n",
-                                       __func__);
-                               goto fail_test;
-                       }
+                       TEST_RING_VERIFY(ret == 0, rp, goto fail_test);
                        cur_src = test_ring_inc_ptr(cur_src, esize[i], 1);
                }
 
-               if (rte_ring_full(rp) != 1) {
-                       printf("%s: ring is not full but it should be\n",
-                               __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(rte_ring_full(rp) == 1, rp, goto fail_test);
 
                for (j = 0; j < RING_SIZE - 1; j++) {
                        ret = test_ring_dequeue(rp, cur_dst, esize[i], 1,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_SINGLE);
-                       if (ret != 0) {
-                               printf("%s: rte_ring_dequeue fails\n",
-                                       __func__);
-                               goto fail_test;
-                       }
+                       TEST_RING_VERIFY(ret == 0, rp, goto fail_test);
                        cur_dst = test_ring_inc_ptr(cur_dst, esize[i], 1);
                }
 
-               if (rte_ring_empty(rp) != 1) {
-                       printf("%s: ring is not empty but it should be\n",
-                               __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(rte_ring_empty(rp) == 1, rp, goto fail_test);
 
                /* check data */
-               if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
-                       goto fail_test;
+               TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
+                                       RTE_PTR_DIFF(cur_dst, dst)) == 0,
+                                       rp, goto fail_test);
 
                /* Following tests use the configured flags to decide
                 * SP/SC or MP/MC.
@@ -880,40 +853,29 @@ test_ring_basic_ex(void)
                /* Covering the ring burst operation */
                ret = test_ring_enqueue(rp, cur_src, esize[i], 2,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_BURST);
-               if (ret != 2) {
-                       printf("%s: rte_ring_enqueue_burst fails\n", __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(ret == 2, rp, goto fail_test);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], 2);
 
                ret = test_ring_dequeue(rp, cur_dst, esize[i], 2,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_BURST);
-               if (ret != 2) {
-                       printf("%s: rte_ring_dequeue_burst fails\n", __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(ret == 2, rp, goto fail_test);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], 2);
 
                /* Covering the ring bulk operation */
                ret = test_ring_enqueue(rp, cur_src, esize[i], 2,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_BULK);
-               if (ret != 2) {
-                       printf("%s: rte_ring_enqueue_bulk fails\n", __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(ret == 2, rp, goto fail_test);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], 2);
 
                ret = test_ring_dequeue(rp, cur_dst, esize[i], 2,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_BULK);
-               if (ret != 2) {
-                       printf("%s: rte_ring_dequeue_bulk fails\n", __func__);
-                       goto fail_test;
-               }
+               TEST_RING_VERIFY(ret == 2, rp, goto fail_test);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], 2);
 
                /* check data */
-               if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
-                       goto fail_test;
+               TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
+                                       RTE_PTR_DIFF(cur_dst, dst)) == 0,
+                                       rp, goto fail_test);
 
                rte_ring_free(rp);
                rte_free(src);
@@ -987,13 +949,10 @@ test_ring_with_exact_size(void)
                 * Check that the exact size ring is bigger than the
                 * standard ring
                 */
-               if (rte_ring_get_size(std_r) >= rte_ring_get_size(exact_sz_r)) {
-                       printf("%s: error, std ring (size: %u) is not smaller than exact size one (size %u)\n",
-                                       __func__,
-                                       rte_ring_get_size(std_r),
-                                       rte_ring_get_size(exact_sz_r));
-                       goto test_fail;
-               }
+               TEST_RING_VERIFY(rte_ring_get_size(std_r) <=
+                               rte_ring_get_size(exact_sz_r),
+                               std_r, goto test_fail);
+
                /*
                 * check that the exact_sz_ring can hold one more element
                 * than the standard ring. (16 vs 15 elements)
@@ -1001,53 +960,34 @@ test_ring_with_exact_size(void)
                for (j = 0; j < ring_sz - 1; j++) {
                        ret = test_ring_enqueue(std_r, cur_src, esize[i], 1,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_SINGLE);
-                       if (ret != 0) {
-                               printf("%s: error, enqueue failed\n", __func__);
-                               goto test_fail;
-                       }
+                       TEST_RING_VERIFY(ret == 0, std_r, goto test_fail);
                        ret = test_ring_enqueue(exact_sz_r, cur_src, esize[i], 1,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_SINGLE);
-                       if (ret != 0) {
-                               printf("%s: error, enqueue failed\n", __func__);
-                               goto test_fail;
-                       }
+                       TEST_RING_VERIFY(ret == 0, exact_sz_r, goto test_fail);
                        cur_src = test_ring_inc_ptr(cur_src, esize[i], 1);
                }
                ret = test_ring_enqueue(std_r, cur_src, esize[i], 1,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_SINGLE);
-               if (ret != -ENOBUFS) {
-                       printf("%s: error, unexpected successful enqueue\n",
-                               __func__);
-                       goto test_fail;
-               }
+               TEST_RING_VERIFY(ret == -ENOBUFS, std_r, goto test_fail);
                ret = test_ring_enqueue(exact_sz_r, cur_src, esize[i], 1,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_SINGLE);
-               if (ret == -ENOBUFS) {
-                       printf("%s: error, enqueue failed\n", __func__);
-                       goto test_fail;
-               }
+               TEST_RING_VERIFY(ret != -ENOBUFS, exact_sz_r, goto test_fail);
                cur_src = test_ring_inc_ptr(cur_src, esize[i], 1);
 
                /* check that dequeue returns the expected number of elements */
                ret = test_ring_dequeue(exact_sz_r, cur_dst, esize[i], ring_sz,
                                TEST_RING_THREAD_DEF | TEST_RING_ELEM_BURST);
-               if (ret != (int)ring_sz) {
-                       printf("%s: error, failed to dequeue expected nb of elements\n",
-                               __func__);
-                       goto test_fail;
-               }
+               TEST_RING_VERIFY(ret == (int)ring_sz, exact_sz_r, goto test_fail);
                cur_dst = test_ring_inc_ptr(cur_dst, esize[i], ring_sz);
 
                /* check that the capacity function returns expected value */
-               if (rte_ring_get_capacity(exact_sz_r) != ring_sz) {
-                       printf("%s: error, incorrect ring capacity reported\n",
-                                       __func__);
-                       goto test_fail;
-               }
+               TEST_RING_VERIFY(rte_ring_get_capacity(exact_sz_r) == ring_sz,
+                                       exact_sz_r, goto test_fail);
 
                /* check data */
-               if (test_ring_mem_cmp(src, dst, RTE_PTR_DIFF(cur_dst, dst)))
-                       goto test_fail;
+               TEST_RING_VERIFY(test_ring_mem_cmp(src, dst,
+                                       RTE_PTR_DIFF(cur_dst, dst)) == 0,
+                                       exact_sz_r, goto test_fail);
 
                rte_free(src_orig);
                rte_free(dst_orig);