Add simple test for initialising a RenderVertex

test/Renderer.cpp

@@ -22,6 +22,43 @@ IEntityNodePtr createByClassName(const std::string& className)
 using V4 = Vector4;
 using V3 = Vector3;
 
+TEST_F(RendererTest, ConstructRenderVertex)
+{
+    using render::RenderVertex;
+
+    {
+        // Default constructor
+        RenderVertex deflt;
+        EXPECT_EQ(deflt.vertex, Vector3f(0, 0, 0));
+        EXPECT_EQ(deflt.tangent, Vector3f(0, 0, 0));
+        EXPECT_EQ(deflt.bitangent, Vector3f(0, 0, 0));
+        EXPECT_EQ(deflt.colour, Vector4f(1, 1, 1, 1));
+    }
+
+    {
+        // Initialise without colour or tangents
+        RenderVertex v(Vector3f(128, -64, 59), Vector3f(1, -1, 0), Vector2f(0.5, 0.75));
+        EXPECT_EQ(v.vertex, Vector3f(128, -64, 59));
+        EXPECT_EQ(v.normal, Vector3f(1, -1, 0));
+        EXPECT_EQ(v.texcoord, Vector2f(0.5, 0.75));
+        EXPECT_EQ(v.tangent, Vector3f(0, 0, 0));
+        EXPECT_EQ(v.bitangent, Vector3f(0, 0, 0));
+        EXPECT_EQ(v.colour, Vector4f(1, 1, 1, 1));
+    }
+
+    {
+        // Initialise with colour but no tangents
+        RenderVertex v(Vector3f(-275, -0.1, 1.15), Vector3f(0.5, -0.5, 0.8), Vector2f(0.25, 0.37),
+                       Vector4f(1.0, 0.5, 0.5, 0.6));
+        EXPECT_EQ(v.vertex, Vector3f(-275, -0.1, 1.15));
+        EXPECT_EQ(v.normal, Vector3f(0.5, -0.5, 0.8));
+        EXPECT_EQ(v.texcoord, Vector2f(0.25, 0.37));
+        EXPECT_EQ(v.tangent, Vector3f(0, 0, 0));
+        EXPECT_EQ(v.bitangent, Vector3f(0, 0, 0));
+        EXPECT_EQ(v.colour, Vector4f(1.0, 0.5, 0.5, 0.6));
+    }
+}
+
 // Wrapper for a light entity and its respective node interfaces
 struct Light
 {