1 files changed, 41 insertions, 0 deletions
diff --git a/tests/commonlib/bsd/helpers-test.c b/tests/commonlib/bsd/helpers-test.c
new file mode 100644
index 000000000000..ec3f98bed17a
--- /dev/null
+++ b/tests/commonlib/bsd/helpers-test.c
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <commonlib/bsd/helpers.h>
+#include <tests/test.h>
+
+static void func(void)
+{
+	function_called();
+}
+
+static void test_retry(void **state)
+{
+	int count;
+
+	/* 2-argument form */
+	count = 0;
+	assert_true(retry(3, ++count == 1));
+	count = 0;
+	assert_true(retry(3, ++count == 3));
+	count = 0;
+	assert_false(retry(3, ++count == 4));
+
+	/* 3-argument form */
+	expect_function_calls(func, 9);
+	assert_null(retry(10, NULL, func()));
+
+	assert_int_equal(retry(10, 999, func()), 999);
+
+	count = 0;
+	expect_function_calls(func, 3);
+	assert_true(retry(10, ++count == 4, func()));
+}
+
+int main(void)
+{
+	const struct CMUnitTest tests[] = {
+		cmocka_unit_test(test_retry),
+	};
+
+	return cmocka_run_group_tests(tests, NULL, NULL);
+}