diff --git a/test/gtx/gtx_spline.cpp b/test/gtx/gtx_spline.cpp
index 0f410b9a..79b5698f 100644
--- a/test/gtx/gtx_spline.cpp
+++ b/test/gtx/gtx_spline.cpp
@@ -11,9 +11,97 @@
 #include <glm/gtc/type_precision.hpp>
 #include <glm/gtx/spline.hpp>
 
+namespace catmullRom
+{
+	int test()
+	{
+		int Error(0);
+
+		glm::vec2 Result2 = glm::catmullRom(
+			glm::vec2(0.0f, 0.0f),
+			glm::vec2(1.0f, 0.0f),
+			glm::vec2(1.0f, 1.0f),
+			glm::vec2(0.0f, 1.0f), 0.5f);
+
+		glm::vec3 Result3 = glm::catmullRom(
+			glm::vec3(0.0f, 0.0f, 0.0f), 
+			glm::vec3(1.0f, 0.0f, 0.0f), 
+			glm::vec3(1.0f, 1.0f, 0.0f), 
+			glm::vec3(0.0f, 1.0f, 0.0f), 0.5f);
+
+		glm::vec4 Result4 = glm::catmullRom(
+			glm::vec4(0.0f, 0.0f, 0.0f, 1.0f), 
+			glm::vec4(1.0f, 0.0f, 0.0f, 1.0f), 
+			glm::vec4(1.0f, 1.0f, 0.0f, 1.0f), 
+			glm::vec4(0.0f, 1.0f, 0.0f, 1.0f), 0.5f);
+
+		return Error;
+	}
+}//catmullRom
+
+namespace hermite
+{
+	int test()
+	{
+		int Error(0);
+
+		glm::vec2 Result2 = glm::hermite(
+			glm::vec2(0.0f, 0.0f),
+			glm::vec2(1.0f, 0.0f),
+			glm::vec2(1.0f, 1.0f),
+			glm::vec2(0.0f, 1.0f), 0.5f);
+
+		glm::vec3 Result3 = glm::hermite(
+			glm::vec3(0.0f, 0.0f, 0.0f), 
+			glm::vec3(1.0f, 0.0f, 0.0f), 
+			glm::vec3(1.0f, 1.0f, 0.0f), 
+			glm::vec3(0.0f, 1.0f, 0.0f), 0.5f);
+
+		glm::vec4 Result4 = glm::hermite(
+			glm::vec4(0.0f, 0.0f, 0.0f, 1.0f), 
+			glm::vec4(1.0f, 0.0f, 0.0f, 1.0f), 
+			glm::vec4(1.0f, 1.0f, 0.0f, 1.0f), 
+			glm::vec4(0.0f, 1.0f, 0.0f, 1.0f), 0.5f);
+
+		return Error;
+	}
+}//catmullRom
+
+namespace cubic
+{
+	int test()
+	{
+		int Error(0);
+
+		glm::vec2 Result2 = glm::cubic(
+			glm::vec2(0.0f, 0.0f),
+			glm::vec2(1.0f, 0.0f),
+			glm::vec2(1.0f, 1.0f),
+			glm::vec2(0.0f, 1.0f), 0.5f);
+
+		glm::vec3 Result3 = glm::cubic(
+			glm::vec3(0.0f, 0.0f, 0.0f), 
+			glm::vec3(1.0f, 0.0f, 0.0f), 
+			glm::vec3(1.0f, 1.0f, 0.0f), 
+			glm::vec3(0.0f, 1.0f, 0.0f), 0.5f);
+
+		glm::vec4 Result = glm::cubic(
+			glm::vec4(0.0f, 0.0f, 0.0f, 1.0f), 
+			glm::vec4(1.0f, 0.0f, 0.0f, 1.0f), 
+			glm::vec4(1.0f, 1.0f, 0.0f, 1.0f), 
+			glm::vec4(0.0f, 1.0f, 0.0f, 1.0f), 0.5f);
+
+		return Error;
+	}
+}//catmullRom
+
 int main()
 {
 	int Error(0);
 
+	Error += catmullRom::test();
+	Error += hermite::test();
+	Error += cubic::test();
+
 	return Error;
 }