basic unit test of following functions
rte_clz32
rte_clz64
rte_ctz32
rte_ctz64
Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
---
app/test/meson.build | 2 ++
app/test/test_bitcount.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 73 insertions(+)
create mode 100644 app/test/test_bitcount.c
diff --git a/app/test/meson.build b/app/test/meson.build
index f34d19e..d1277bc 100644
--- a/app/test/meson.build
+++ b/app/test/meson.build
@@ -13,6 +13,7 @@ test_sources = files(
'test_alarm.c',
'test_atomic.c',
'test_barrier.c',
+ 'test_bitcount.c',
'test_bitops.c',
'test_bitmap.c',
'test_bpf.c',
@@ -160,6 +161,7 @@ test_deps += ['bus_pci', 'bus_vdev']
fast_tests = [
['acl_autotest', true, true],
['atomic_autotest', false, true],
+ ['bitcount_autotest', true, true],
['bitmap_autotest', true, true],
['bpf_autotest', true, true],
['bpf_convert_autotest', true, true],
diff --git a/app/test/test_bitcount.c b/app/test/test_bitcount.c
new file mode 100644
index 0000000..36eb05c
--- /dev/null
+++ b/app/test/test_bitcount.c
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (C) 2022 Microsoft Corporation
+ */
+
+#include <string.h>
+
+#include <rte_bitops.h>
+#include <rte_debug.h>
+
+#include "test.h"
+
+RTE_LOG_REGISTER(bitcount_logtype_test, test.bitcount, INFO);
+
+static int
+test_clz32(void)
+{
+ uint32_t v = 1;
+ RTE_TEST_ASSERT(rte_clz32(v) == sizeof(v) * CHAR_BIT - 1,
+ "Unexpected count.");
+
+ return 0;
+}
+
+static int
+test_clz64(void)
+{
+ uint64_t v = 1;
+ RTE_TEST_ASSERT(rte_clz64(v) == sizeof(v) * CHAR_BIT - 1,
+ "Unexpected count.");
+
+ return 0;
+}
+
+static int
+test_ctz32(void)
+{
+ uint32_t v = 2;
+ RTE_TEST_ASSERT(rte_ctz32(v) == 1, "Unexpected count.");
+
+ return 0;
+}
+
+static int
+test_ctz64(void)
+{
+ uint64_t v = 2;
+ RTE_TEST_ASSERT(rte_ctz64(v) == 1, "Unexpected count.");
+
+ return 0;
+}
+
+static struct unit_test_suite bitcount_test_suite = {
+ .suite_name = "bitcount autotest",
+ .setup = NULL,
+ .teardown = NULL,
+ .unit_test_cases = {
+ TEST_CASE(test_clz32),
+ TEST_CASE(test_clz64),
+ TEST_CASE(test_ctz32),
+ TEST_CASE(test_ctz64),
+ TEST_CASES_END()
+ }
+};
+
+static int
+test_bitcount(void)
+{
+ return unit_test_suite_runner(&bitcount_test_suite);
+}
+
+REGISTER_TEST_COMMAND(bitcount_autotest, test_bitcount);
--
1.8.3.1
