[NOX-76] add GLBuffer unit tests

Signed-off-by: Rafal Maziejuk <[email protected]>

include/nox/buffer.h

@@ -4,6 +4,7 @@
 #include <nox/format.h>
 
 #include <cstdint>
+#include <vector>
 
 namespace nox {
 

include/nox/format.h

@@ -1,7 +1,5 @@
 #pragma once
 
-#include <vector>
-
 namespace nox {
 
 enum class ImageFormat {

include/nox/texture.h

@@ -40,6 +40,7 @@ class NOX_EXPORT Texture {
 
     [[nodiscard]] virtual TextureType getType() const = 0;
     [[nodiscard]] virtual ImageFormat getFormat() const = 0;
+    [[nodiscard]] virtual Vector3D<uint32_t> getSize() const = 0;
 
   public:
     Texture(const Texture &) = delete;

tests/unit_tests/opengl/CMakeLists.txt

@@ -87,6 +87,7 @@ endif()
 # --------------------------------------------------
 set(NOX_UNIT_TESTS_OPENGL_SOURCES
     ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
+    ${CMAKE_CURRENT_SOURCE_DIR}/gl_buffer_tests.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/gl_context_tests.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/gl_program_tests.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/gl_shader_tests.cpp

tests/unit_tests/opengl/gl_buffer_tests.cpp

@@ -0,0 +1,40 @@
+#include "src/opengl/gl_buffer.h"
+#include "src/opengl/gl_vertex_array.h"
+
+#include "tests/base/opengl/gl_test_environment.h"
+
+#include <glad/gl.h>
+#include <gtest/gtest.h>
+
+using namespace nox;
+
+struct GLBufferFixture : public tests::GLTestFixture {
+    struct Vertex {
+        float position[2];
+        float textureCoordinates[2];
+    };
+    static constexpr Vertex vertices[]{
+        {{0.5f, 0.5f}, {1.0f, 1.0f}},   // top right
+        {{0.5f, -0.5f}, {1.0f, 0.0f}},  // bottom right
+        {{-0.5f, -0.5f}, {0.0f, 0.0f}}, // bottom left
+        {{-0.5f, 0.5f}, {0.0f, 1.0f}},  // top left
+    };
+
+    static constexpr uint32_t indices[]{0, 1, 3,
+                                        1, 2, 3};
+};
+
+TEST_F(GLBufferFixture, GivenValidVertexBufferDescriptorWhenCallingCreateVertexBufferThenVertexBufferIsSuccessfullyCreated) {
+    auto vertexArrayRegistry = GLVertexArrayRegistry::create();
+
+    VertexBufferDescriptor vertexBufferDescriptor{};
+    vertexBufferDescriptor.usage = BufferUsage::STATIC;
+    vertexBufferDescriptor.size = sizeof(vertices);
+    vertexBufferDescriptor.data = vertices;
+    vertexBufferDescriptor.vertexAttributes = {
+        VertexAttributeFormat::RG32F,
+        VertexAttributeFormat::RG32F,
+    };
+    auto vertexBuffer = GLVertexBuffer::create(vertexBufferDescriptor, vertexArrayRegistry);
+    ASSERT_NE(nullptr, vertexBuffer);
+}