Test atomic_op bit fields and odp_atomic_lock_free_u64().
Signed-off-by: Petri Savolainen <petri.savolai...@nokia.com>
---
test/validation/atomic/atomic.c | 107 ++++++++++++++++++++++++++++++++++++++++
test/validation/atomic/atomic.h | 1 +
2 files changed, 108 insertions(+)
diff --git a/test/validation/atomic/atomic.c b/test/validation/atomic/atomic.c
index 1a46774..24c0de7 100644
--- a/test/validation/atomic/atomic.c
+++ b/test/validation/atomic/atomic.c
@@ -741,6 +741,112 @@ void atomic_test_atomic_non_relaxed(void)
CHECK_MAX_MIN | CHECK_XCHG);
}
+void atomic_test_atomic_op_lock_free(void)
+{
+ odp_atomic_op_t atomic_op;
+ int ret_null, ret;
+
+ memset(&atomic_op, 0xff, sizeof(odp_atomic_op_t));
+ atomic_op.all_bits = 0;
+
+ CU_ASSERT(atomic_op.all_bits == 0);
+ CU_ASSERT(atomic_op.op.init == 0);
+ CU_ASSERT(atomic_op.op.load == 0);
+ CU_ASSERT(atomic_op.op.store == 0);
+ CU_ASSERT(atomic_op.op.fetch_add == 0);
+ CU_ASSERT(atomic_op.op.add == 0);
+ CU_ASSERT(atomic_op.op.fetch_sub == 0);
+ CU_ASSERT(atomic_op.op.sub == 0);
+ CU_ASSERT(atomic_op.op.fetch_inc == 0);
+ CU_ASSERT(atomic_op.op.inc == 0);
+ CU_ASSERT(atomic_op.op.fetch_dec == 0);
+ CU_ASSERT(atomic_op.op.dec == 0);
+ CU_ASSERT(atomic_op.op.min == 0);
+ CU_ASSERT(atomic_op.op.max == 0);
+ CU_ASSERT(atomic_op.op.cas == 0);
+ CU_ASSERT(atomic_op.op.xchg == 0);
+
+ /* Test setting first, last and couple of other bits */
+ atomic_op.op.init = 1;
+ CU_ASSERT(atomic_op.op.init == 1);
+ CU_ASSERT(atomic_op.all_bits != 0);
+ atomic_op.op.init = 0;
+ CU_ASSERT(atomic_op.all_bits == 0);
+
+ atomic_op.op.xchg = 1;
+ CU_ASSERT(atomic_op.op.xchg == 1);
+ CU_ASSERT(atomic_op.all_bits != 0);
+ atomic_op.op.xchg = 0;
+ CU_ASSERT(atomic_op.all_bits == 0);
+
+ atomic_op.op.add = 1;
+ CU_ASSERT(atomic_op.op.add == 1);
+ CU_ASSERT(atomic_op.all_bits != 0);
+ atomic_op.op.add = 0;
+ CU_ASSERT(atomic_op.all_bits == 0);
+
+ atomic_op.op.dec = 1;
+ CU_ASSERT(atomic_op.op.dec == 1);
+ CU_ASSERT(atomic_op.all_bits != 0);
+ atomic_op.op.dec = 0;
+ CU_ASSERT(atomic_op.all_bits == 0);
+
+ memset(&atomic_op, 0xff, sizeof(odp_atomic_op_t));
+ ret = odp_atomic_lock_free_u64(&atomic_op);
+ ret_null = odp_atomic_lock_free_u64(NULL);
+
+ CU_ASSERT(ret == ret_null);
+
+ /* Init operation is not atomic by the spec. Call to
+ * odp_atomic_lock_free_u64() zeros it but never sets it. */
+
+ if (ret == 0) {
+ /* none are lock free */
+ CU_ASSERT(atomic_op.all_bits == 0);
+ CU_ASSERT(atomic_op.op.init == 0);
+ CU_ASSERT(atomic_op.op.load == 0);
+ CU_ASSERT(atomic_op.op.store == 0);
+ CU_ASSERT(atomic_op.op.fetch_add == 0);
+ CU_ASSERT(atomic_op.op.add == 0);
+ CU_ASSERT(atomic_op.op.fetch_sub == 0);
+ CU_ASSERT(atomic_op.op.sub == 0);
+ CU_ASSERT(atomic_op.op.fetch_inc == 0);
+ CU_ASSERT(atomic_op.op.inc == 0);
+ CU_ASSERT(atomic_op.op.fetch_dec == 0);
+ CU_ASSERT(atomic_op.op.dec == 0);
+ CU_ASSERT(atomic_op.op.min == 0);
+ CU_ASSERT(atomic_op.op.max == 0);
+ CU_ASSERT(atomic_op.op.cas == 0);
+ CU_ASSERT(atomic_op.op.xchg == 0);
+ }
+
+ if (ret == 1) {
+ /* some are lock free */
+ CU_ASSERT(atomic_op.all_bits != 0);
+ CU_ASSERT(atomic_op.op.init == 0);
+ }
+
+ if (ret == 2) {
+ /* all are lock free */
+ CU_ASSERT(atomic_op.all_bits != 0);
+ CU_ASSERT(atomic_op.op.init == 0);
+ CU_ASSERT(atomic_op.op.load == 1);
+ CU_ASSERT(atomic_op.op.store == 1);
+ CU_ASSERT(atomic_op.op.fetch_add == 1);
+ CU_ASSERT(atomic_op.op.add == 1);
+ CU_ASSERT(atomic_op.op.fetch_sub == 1);
+ CU_ASSERT(atomic_op.op.sub == 1);
+ CU_ASSERT(atomic_op.op.fetch_inc == 1);
+ CU_ASSERT(atomic_op.op.inc == 1);
+ CU_ASSERT(atomic_op.op.fetch_dec == 1);
+ CU_ASSERT(atomic_op.op.dec == 1);
+ CU_ASSERT(atomic_op.op.min == 1);
+ CU_ASSERT(atomic_op.op.max == 1);
+ CU_ASSERT(atomic_op.op.cas == 1);
+ CU_ASSERT(atomic_op.op.xchg == 1);
+ }
+}
+
odp_testinfo_t atomic_suite_atomic[] = {
ODP_TEST_INFO(atomic_test_atomic_inc_dec),
ODP_TEST_INFO(atomic_test_atomic_add_sub),
@@ -750,6 +856,7 @@ odp_testinfo_t atomic_suite_atomic[] = {
ODP_TEST_INFO(atomic_test_atomic_cas_inc_dec),
ODP_TEST_INFO(atomic_test_atomic_xchg),
ODP_TEST_INFO(atomic_test_atomic_non_relaxed),
+ ODP_TEST_INFO(atomic_test_atomic_op_lock_free),
ODP_TEST_INFO_NULL,
};
diff --git a/test/validation/atomic/atomic.h b/test/validation/atomic/atomic.h
index 8c65581..5267670 100644
--- a/test/validation/atomic/atomic.h
+++ b/test/validation/atomic/atomic.h
@@ -18,6 +18,7 @@ void atomic_test_atomic_max_min(void);
void atomic_test_atomic_cas_inc_dec(void);
void atomic_test_atomic_xchg(void);
void atomic_test_atomic_non_relaxed(void);
+void atomic_test_atomic_op_lock_free(void);
/* test arrays: */
extern odp_testinfo_t atomic_suite_atomic[];
--
2.6.3
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