refactor tests

Author: bugparty

CMakeLists.txt

@@ -9,5 +9,19 @@ else()
     set(CMAKE_CXX_STANDARD 17)
 endif()
 
+# Add Google Test
+# Include FetchContent to download and manage external dependencies
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/refs/tags/release-1.11.0.zip
+)
+FetchContent_MakeAvailable(googletest)
 
-add_executable(RingBufferTest main.cpp)
+enable_testing()
+add_executable(RingBufferTest test_main.cpp)
+target_link_libraries(RingBufferTest gtest gtest_main)
+
+
+include(GoogleTest)
+gtest_discover_tests(RingBufferTest)

RingBuffer.hpp

@@ -38,6 +38,7 @@ namespace buffers {
             using iterator_category = std::forward_iterator_tag;
 
             ring_buffer_iterator() noexcept = default;
+
             ring_buffer_iterator(buffer_t source, size_type index, size_type count) noexcept
                     : source_{source},
                       index_{index},
@@ -181,6 +182,7 @@ using std::bool_constant;
         [[nodiscard]] const_iterator cend() const noexcept { return const_iterator{this, head_, size_};}
         [[nodiscard]] bool empty() const noexcept { return size_ == 0; }
         [[nodiscard]] bool full() const noexcept { return size_ == N; }
+        [[nodiscard]] size_type size() const noexcept { return size_; }
         [[nodiscard]] size_type capacity() const noexcept { return N; }
         void clear() noexcept{
             destroy_all(bool_constant<is_trivially_destructible_v<value_type>>{});