From c95703d6bad7686e643967e7f8558dc99aff1631 Mon Sep 17 00:00:00 2001
From: Vladimir Byko-Ianko <v.bykoianko@corp.mail.ru>
Date: Thu, 29 Oct 2020 13:28:28 +0300
Subject: [PATCH] [base] Test on optional lock guard.

---
 base/base_tests/CMakeLists.txt                |  1 +
 base/base_tests/optional_lock_guard_tests.cpp | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 base/base_tests/optional_lock_guard_tests.cpp

diff --git a/base/base_tests/CMakeLists.txt b/base/base_tests/CMakeLists.txt
index 4e2640ae05..e7eea223ff 100644
--- a/base/base_tests/CMakeLists.txt
+++ b/base/base_tests/CMakeLists.txt
@@ -31,6 +31,7 @@ set(
   newtype_test.cpp
   non_intersecting_intervals_tests.cpp
   observer_list_test.cpp
+  optional_lock_guard_tests.cpp
   range_iterator_test.cpp
   ref_counted_tests.cpp
   regexp_test.cpp
diff --git a/base/base_tests/optional_lock_guard_tests.cpp b/base/base_tests/optional_lock_guard_tests.cpp
new file mode 100644
index 0000000000..751051f0b0
--- /dev/null
+++ b/base/base_tests/optional_lock_guard_tests.cpp
@@ -0,0 +1,23 @@
+#include "testing/testing.hpp"
+
+#include "base/optional_lock_guard.hpp"
+
+#include <mutex>
+#include <optional>
+
+namespace
+{
+using namespace base;
+
+UNIT_TEST(OptionalLockGuard_Smoke)
+{
+  std::optional<std::mutex> optMtx;
+  {
+    base::OptionalLockGuard guard(optMtx);
+  }
+
+  std::optional<std::mutex> empty = std::nullopt;
+  base::OptionalLockGuard<std::mutex> guard(empty);
+}
+}  // namespace
+