Thomas-Chqt · Thomas-Chqt · Feb 24, 2026 · Feb 24, 2026
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
@@ -46,6 +46,10 @@ jobs:
           -DGFX_ENABLE_${{ matrix.enable-glfw }}
           -DGFX_ENABLE_${{ matrix.enable-imgui }}
           -DGFX_BUILD_${{ matrix.build-examples }}
+          -DGFX_BUILD_TESTS=ON
 
       - name: Build
         run: cmake --build build --config ${{ matrix.build-type }} --parallel
+
+      - name: Test
+        run: ctest --test-dir build
diff --git a/.github/workflows/macos-both.yml b/.github/workflows/macos-both.yml
@@ -40,6 +40,10 @@ jobs:
           -DGFX_ENABLE_${{ matrix.enable-glfw }}
           -DGFX_ENABLE_${{ matrix.enable-imgui }}
           -DGFX_BUILD_${{ matrix.build-examples }}
+          -DGFX_BUILD_TESTS=ON
 
       - name: Build
         run: cmake --build build --config ${{ matrix.build-type }} --parallel
+
+      - name: Test
+        run: ctest --test-dir build
diff --git a/.github/workflows/macos-metal.yml b/.github/workflows/macos-metal.yml
@@ -40,6 +40,10 @@ jobs:
           -DGFX_ENABLE_${{ matrix.enable-glfw }}
           -DGFX_ENABLE_${{ matrix.enable-imgui }}
           -DGFX_BUILD_${{ matrix.build-examples }}
+          -DGFX_BUILD_TESTS=ON
 
       - name: Build
         run: cmake --build build --config ${{ matrix.build-type }} --parallel
+
+      - name: Test
+        run: ctest --test-dir build
diff --git a/.github/workflows/macos-vulkan.yml b/.github/workflows/macos-vulkan.yml
@@ -40,6 +40,10 @@ jobs:
           -DGFX_ENABLE_${{ matrix.enable-glfw }}
           -DGFX_ENABLE_${{ matrix.enable-imgui }}
           -DGFX_BUILD_${{ matrix.build-examples }}
+          -DGFX_BUILD_TESTS=ON
 
       - name: Build
         run: cmake --build build --config ${{ matrix.build-type }} --parallel
+
+      - name: Test
+        run: ctest --test-dir build
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
@@ -39,6 +39,10 @@ jobs:
           -DGFX_ENABLE_${{ matrix.enable-glfw }}
           -DGFX_ENABLE_${{ matrix.enable-imgui }}
           -DGFX_BUILD_${{ matrix.build-examples }}
+          -DGFX_BUILD_TESTS=ON
 
       - name: Build
         run: cmake --build build --config ${{ matrix.build-type }} --parallel
+
+      - name: Test
+        run: ctest --test-dir build
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -25,6 +25,7 @@ option(GFX_ENABLE_IMGUI   "Build with imgui capabilities"       OFF)
 option(GFX_ENABLE_GLFW    "Build with glfw capabilities"        OFF)
 option(GFX_BUILD_EXAMPLES "Build Graphics examples executables" OFF)
 option(GFX_BUILD_TRACY    "Build the tracy client"              OFF)
+option(GFX_BUILD_TESTS    "Build the tests"                     OFF)
 option(GFX_INSTALL        "Enable the install command"           ON)
 
 if(GFX_BUILD_EXAMPLES)
@@ -216,6 +217,11 @@ if(GFX_BUILD_EXAMPLES)
     add_subdirectory("examples")
 endif()
 
+if (GFX_BUILD_TESTS)
+    enable_testing() # need to be in the top level cmakelists
+    add_subdirectory("tests")
+endif()
+
 if(GFX_INSTALL)
     install(TARGETS Graphics
         RUNTIME DESTINATION "bin"

diff --git a/include/Graphics/Buffer.hpp b/include/Graphics/Buffer.hpp
@@ -25,6 +25,8 @@ class Buffer
         size_t size = 0;
         BufferUsages usages = BufferUsage::uniformBuffer;
         ResourceStorageMode storageMode = ResourceStorageMode::hostVisible;
+
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:

diff --git a/include/Graphics/Device.hpp b/include/Graphics/Device.hpp
@@ -36,6 +36,7 @@ class Device
     struct Descriptor
     {
         QueueCapabilities queueCaps;
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:

diff --git a/include/Graphics/Enums.hpp b/include/Graphics/Enums.hpp
@@ -14,6 +14,7 @@
 #include <type_traits>
 #include <cstdint>
 #include <stdexcept>
+#include <compare> // IWYU pragma: keep
 
 namespace gfx
 {
@@ -29,9 +30,7 @@ class Flags
 
     [[nodiscard]] constexpr inline T value() const { return m_value; }
 
-    [[nodiscard]] constexpr inline bool operator==(const Flags& rhs) const { return m_value == rhs.m_value; }
-    [[nodiscard]] constexpr inline bool operator!=(const Flags& rhs) const { return m_value != rhs.m_value; }
-    [[nodiscard]] constexpr inline bool operator<(const Flags& rhs) const { return m_value < rhs.m_value; }
+    [[nodiscard]] constexpr inline auto operator<=>(const Flags& rhs) const = default;
 
     [[nodiscard]] constexpr inline Flags operator|(const Flags& rhs) const { return Flags(m_value | rhs.m_value); }
     [[nodiscard]] constexpr inline Flags operator&(const Flags& rhs) const { return Flags(m_value & rhs.m_value); }

diff --git a/include/Graphics/GraphicsPipeline.hpp b/include/Graphics/GraphicsPipeline.hpp
@@ -10,7 +10,6 @@
 #ifndef GRAPHICSPIPELINE_HPP
 #define GRAPHICSPIPELINE_HPP
 
-#include "Graphics/ParameterBlock.hpp"
 #include "Graphics/ShaderFunction.hpp"
 #include "Graphics/Enums.hpp"
 #include "Graphics/VertexLayout.hpp"
@@ -40,6 +39,8 @@ class GraphicsPipeline
         CullMode cullMode = CullMode::none;
 
         std::vector<std::shared_ptr<ParameterBlockLayout>> parameterBlockLayouts;
+
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:

diff --git a/include/Graphics/Instance.hpp b/include/Graphics/Instance.hpp
@@ -33,6 +33,8 @@ class Instance
         std::array<int, 3> appVersion;
         std::string engineName;
         std::array<int, 3> engineVersion;
+
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:

diff --git a/include/Graphics/ParameterBlock.hpp b/include/Graphics/ParameterBlock.hpp
@@ -10,7 +10,6 @@
 #ifndef PARAMETERBLOCK_HPP
 #define PARAMETERBLOCK_HPP
 
-#include "Graphics/Enums.hpp"
 #include "Graphics/Buffer.hpp"
 #include "Graphics/Texture.hpp"
 #include "Graphics/Sampler.hpp"

diff --git a/include/Graphics/ParameterBlockLayout.hpp b/include/Graphics/ParameterBlockLayout.hpp
@@ -21,6 +21,7 @@ struct ParameterBlockBinding
 {
     BindingType type = BindingType::uniformBuffer;
     BindingUsages usages = BindingUsage::vertexRead | BindingUsage::fragmentRead;
+    auto operator<=>(const ParameterBlockBinding&) const = default;
 };
 
 class ParameterBlockLayout
@@ -29,12 +30,13 @@ class ParameterBlockLayout
     struct Descriptor
     {
         std::vector<ParameterBlockBinding> bindings;
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:
     ParameterBlockLayout(const ParameterBlockLayout&) = delete;
     ParameterBlockLayout(ParameterBlockLayout&&) = delete;
-    
+
     virtual const std::vector<ParameterBlockBinding>& bindings() const = 0;
 
     virtual ~ParameterBlockLayout() = default;

diff --git a/include/Graphics/ParameterBlockPool.hpp b/include/Graphics/ParameterBlockPool.hpp
@@ -27,6 +27,7 @@ class ParameterBlockPool
         uint32_t maxUniformBuffers = 16;
         uint32_t maxTextures = 4;
         uint32_t maxSamplers = 4;
+        auto operator<=>(const Descriptor&) const = default;
     };
 
     ParameterBlockPool(const ParameterBlockPool&) = delete;

diff --git a/include/Graphics/QueueCapabilities.hpp b/include/Graphics/QueueCapabilities.hpp
@@ -23,6 +23,8 @@ struct QueueCapabilities
     bool compute;
     bool transfer;
     std::vector<Surface*> present;
+
+    auto operator<=>(const QueueCapabilities&) const = default;
 };
 
 }

diff --git a/include/Graphics/Sampler.hpp b/include/Graphics/Sampler.hpp
@@ -25,6 +25,7 @@ class Sampler
         SamplerAddressMode rAddressMode = SamplerAddressMode::ClampToEdge;
         SamplerMinMagFilter minFilter = SamplerMinMagFilter::Nearest;
         SamplerMinMagFilter magFilter = SamplerMinMagFilter::Nearest;
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:

diff --git a/include/Graphics/Swapchain.hpp b/include/Graphics/Swapchain.hpp
@@ -31,6 +31,7 @@ class Swapchain
         uint32_t drawableCount = 3;
         PixelFormat pixelFormat = PixelFormat::BGRA8Unorm;
         PresentMode presentMode = PresentMode::fifo;
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:

diff --git a/include/Graphics/Texture.hpp b/include/Graphics/Texture.hpp
@@ -27,6 +27,7 @@ class Texture
         PixelFormat pixelFormat = PixelFormat::RGBA8Unorm;
         TextureUsages usages = TextureUsage::shaderRead;
         ResourceStorageMode storageMode = ResourceStorageMode::deviceLocal;
+        auto operator<=>(const Descriptor&) const = default;
     };
 
 public:

diff --git a/include/Graphics/VertexLayout.hpp b/include/Graphics/VertexLayout.hpp
@@ -23,6 +23,7 @@ struct VertexAttribute
     VertexAttributeFormat format;
     size_t offset;
     // bufferIndex
+    auto operator<=>(const VertexAttribute&) const = default;
 };
 
 struct VertexLayout
@@ -31,6 +32,8 @@ struct VertexLayout
     // stepFunction
     // stepRate
     std::vector<VertexAttribute> attributes;
+
+    auto operator<=>(const VertexLayout&) const = default;
 };
 
 }

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
@@ -0,0 +1,35 @@
+# ---------------------------------------------------
+# CMakeLists.txt
+#
+# Author: Thomas Choquet <semoir.dense-0h@icloud.com>
+# ---------------------------------------------------
+
+include(FetchContent)
+include(GoogleTest)
+
+
+add_executable(gfx_test)
+
+# test file only require 11, will be higher when linking to something that need higher
+target_compile_features(gfx_test PUBLIC cxx_std_11)
+set_target_properties(gfx_test PROPERTIES FOLDER "tests")
+
+file(GLOB_RECURSE SRC "*.cpp")
+target_sources(gfx_test PRIVATE ${SRC})
+
+target_include_directories(gfx_test PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+
+FetchContent_Declare(googletest
+    GIT_REPOSITORY https://github.com/google/googletest.git
+    GIT_TAG        main
+    GIT_SHALLOW    v1.15.2
+)
+set(BUILD_GMOCK OFF)
+set(INSTALL_GTEST OFF)
+FetchContent_MakeAvailable(googletest)
+set_target_properties(gtest PROPERTIES FOLDER "dependencies")
+set_target_properties(gtest_main PROPERTIES FOLDER "dependencies")
+
+target_link_libraries(gfx_test PRIVATE Graphics GTest::gtest_main)
+
+gtest_discover_tests(gfx_test)
-Original file line number
+Diff line change
@@ Expand Up / @@ -36,6 +36,7 @@ class Device @@
         struct Descriptor
         {
             QueueCapabilities queueCaps;
+            auto operator<=>(const Descriptor&) const = default;
         };
     public:
@@ Expand Down @@