validation: hints: add tests

Add validation tests for hints module macros and attributes.

Signed-off-by: Matias Elo <matias.elo@nokia.com>
Reviewed-by: Tuomas Taipale <tuomas.taipale@nokia.com>
Reviewed-by: Petri Savolainen <petri.savolainen@nokia.com>

5 files changed, 100 insertions, 0 deletions

diff --git a/test/m4/configure.m4 b/test/m4/configure.m4
index 84d2fd753..b979f400d 100644
--- a/test/m4/configure.m4
+++ b/test/m4/configure.m4
@@ -30,6 +30,7 @@ AC_CONFIG_FILES([test/common/Makefile
 		 test/validation/api/errno/Makefile
 		 test/validation/api/event/Makefile
 		 test/validation/api/hash/Makefile
+		 test/validation/api/hints/Makefile
 		 test/validation/api/init/Makefile
 		 test/validation/api/ipsec/Makefile
 		 test/validation/api/lock/Makefile
diff --git a/test/validation/api/Makefile.am b/test/validation/api/Makefile.am
index 49cd0f4aa..558c2c8bb 100644
--- a/test/validation/api/Makefile.am
+++ b/test/validation/api/Makefile.am
@@ -11,6 +11,7 @@ ODP_MODULES = align \
 	      errno \
 	      event \
 	      hash \
+	      hints \
 	      init \
 	      ipsec \
 	      lock \
@@ -48,6 +49,7 @@ TESTS = \
 	errno/errno_main$(EXEEXT) \
 	event/event_main$(EXEEXT) \
 	hash/hash_main$(EXEEXT) \
+	hints/hints_main$(EXEEXT) \
 	init/init_defaults.sh \
 	init/init_abort.sh \
 	init/init_log.sh \
diff --git a/test/validation/api/hints/.gitignore b/test/validation/api/hints/.gitignore
new file mode 100644
index 000000000..586f429bc
--- /dev/null
+++ b/test/validation/api/hints/.gitignore
@@ -0,0 +1 @@
+hints_main
diff --git a/test/validation/api/hints/Makefile.am b/test/validation/api/hints/Makefile.am
new file mode 100644
index 000000000..bcc77f606
--- /dev/null
+++ b/test/validation/api/hints/Makefile.am
@@ -0,0 +1,4 @@
+include ../Makefile.inc
+
+test_PROGRAMS = hints_main
+hints_main_SOURCES = hints.c
diff --git a/test/validation/api/hints/hints.c b/test/validation/api/hints/hints.c
new file mode 100644
index 000000000..4c049f33b
--- /dev/null
+++ b/test/validation/api/hints/hints.c
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2024 Nokia
+ */
+
+#include <odp_api.h>
+#include <odp_cunit_common.h>
+
+#include <stdint.h>
+#include <stdlib.h>
+
+ODP_NORETURN static void test_noreturn(void)
+{
+	abort();
+}
+
+int test_weak(void);
+
+ODP_WEAK_SYMBOL int test_weak(void)
+{
+	return 0;
+}
+
+ODP_COLD_CODE static int test_cold(void)
+{
+	return -1;
+}
+
+ODP_HOT_CODE static int test_hot(void)
+{
+	return 1;
+}
+
+ODP_PRINTF_FORMAT(2, 3)
+static int test_printf_format(int level ODP_UNUSED, const char *fmt ODP_UNUSED, ...)
+{
+	return 0;
+}
+
+static void test_hints(void)
+{
+	volatile int val = 1;
+
+	if (odp_unlikely(!val))
+		test_noreturn();
+
+	test_weak();
+	test_cold();
+
+	if (odp_likely(val))
+		test_hot();
+
+	test_printf_format(0, "test");
+}
+
+static void test_prefetch(void)
+{
+	const int rounds = 10;
+	uint64_t data[rounds];
+
+	for (int i = 0; i < rounds; i++)
+		odp_prefetch(&data[i]);
+
+	for (int i = 0; i < rounds; i++)
+		odp_prefetch_store(&data[i]);
+}
+
+odp_testinfo_t hints_suite[] = {
+	ODP_TEST_INFO(test_hints),
+	ODP_TEST_INFO(test_prefetch),
+	ODP_TEST_INFO_NULL,
+};
+
+odp_suiteinfo_t align_suites[] = {
+	{"hints", NULL, NULL, hints_suite},
+	ODP_SUITE_INFO_NULL
+};
+
+int main(int argc, char *argv[])
+{
+	int ret;
+
+	/* Parse common options */
+	if (odp_cunit_parse_options(&argc, argv))
+		return -1;
+
+	ret = odp_cunit_register(align_suites);
+
+	if (ret == 0)
+		ret = odp_cunit_run();
+
+	return ret;
+}