kstd: ring_buffer: add missing push/pop API tests

1 files changed, 20 insertions, 0 deletions

diff --git a/libs/kstd/kstd/ring_buffer.tests.cpp b/libs/kstd/kstd/ring_buffer.tests.cpp
index 58037e1c..bd14223f 100644
--- a/libs/kstd/kstd/ring_buffer.tests.cpp
+++ b/libs/kstd/kstd/ring_buffer.tests.cpp
@@ -172,6 +172,26 @@ SCENARIO("Ring Buffer interface types", "[kstd][ring_buffer]")
     {
       STATIC_REQUIRE(std::is_same_v<buffer::const_reverse_iterator, decltype(std::declval<buffer &>().crend())>);
     }
+
+    THEN("the return type of push_back() is void")
+    {
+      STATIC_REQUIRE(std::is_same_v<void, decltype(std::declval<buffer &>().push_back(std::declval<int>()))>);
+    }
+
+    THEN("the return type of try_push_back() is bool")
+    {
+      STATIC_REQUIRE(std::is_same_v<bool, decltype(std::declval<buffer &>().try_push_back(buffer::value_type{}))>);
+    }
+
+    THEN("the return type of pop_front() is void")
+    {
+      STATIC_REQUIRE(std::is_same_v<void, decltype(std::declval<buffer &>().pop_front())>);
+    }
+
+    THEN("the return type of try_pop_front() is bool")
+    {
+      STATIC_REQUIRE(std::is_same_v<bool, decltype(std::declval<buffer &>().try_pop_front())>);
+    }
   }
 }