From d7d4e918e7a2ef893dff836554893dab6c833cc5 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Fri, 2 Oct 2026 15:21:05 +0200
Subject: kstd: ring_buffer: add missing push/pop API tests

---
 libs/kstd/kstd/ring_buffer.tests.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

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())>);
+    }
   }
 }
 
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