Add test for wrapped vector using get_at() which was not working previously.

test/unit/CMakeLists.txt

@@ -5,6 +5,7 @@ add_executable(${PROJECT_NAME}
 	test_conversions.cpp
 	test_ops.cpp
 	example.cpp
+	test_get_at.cpp
 )
 
 target_link_libraries(${PROJECT_NAME}

test/unit/test_get_at.cpp

@@ -0,0 +1,55 @@
+#include "vectorwrapper/vectorwrapper.hpp"
+#include <gtest/gtest.h>
+#include <array>
+#include <cstdint>
+
+namespace vwr {
+	template <>
+	struct VectorWrapperInfo<std::array<uint16_t, 2>> {
+        enum {
+            dimensions = 2
+        };
+
+        typedef uint16_t scalar_type;
+
+        typedef std::array<scalar_type, dimensions> vector_type;
+
+        typedef std::array<scalar_type, dimensions + 1> higher_vector_type;
+
+        static scalar_type& get_at (size_t parIndex, vector_type& parVector) {
+            return parVector[parIndex];
+        }
+	};
+	template <>
+	struct VectorWrapperInfo<std::array<uint16_t, 3>> {
+        enum {
+            dimensions = 3
+        };
+
+        typedef uint16_t scalar_type;
+
+        typedef std::array<scalar_type, dimensions> vector_type;
+
+        typedef std::array<scalar_type, dimensions - 1> lower_vector_type;
+
+        static scalar_type& get_at (size_t parIndex, vector_type& parVector) {
+            return parVector[parIndex];
+        }
+	};
+} //namespace vwr
+
+using vec2 = vwr::Vec<std::array<uint16_t, 2>>;
+using vec3 = vwr::Vec<std::array<uint16_t, 3>>;
+
+TEST(vwr, get_at) {
+	const uint16_t v2 = 0x0c0cU;
+	vec2 myvec2(v2);
+	EXPECT_EQ(v2, myvec2.x());
+	EXPECT_EQ(v2, myvec2.y());
+
+	const uint16_t v3 = 0xababU;
+	vec3 myvec3(myvec2.x(), myvec2.y(), v3);
+	EXPECT_EQ(v2, myvec3.x());
+	EXPECT_EQ(v2, myvec3.y());
+	EXPECT_EQ(v3, myvec3.z());
+}