UnitTests: Rename .cpp (it was confusing the debugger)

tests/Engine/Core/SparsePtrTest.cpp

@@ -0,0 +1,47 @@
+#include <Nazara/Core/SparsePtr.hpp>
+#include <Catch/catch.hpp>
+
+#include <array>
+
+SCENARIO("SparsePtr", "[CORE][SPARSEPTR]")
+{
+	GIVEN("A sparse pointer pointing to an array with a stride of 2")
+	{
+		std::array<int, 5> arrays = { {0, 1, 2, 3, 4} };
+		Nz::SparsePtr<int> sparsePtr(arrays.data(), 2 * sizeof(int));
+
+		WHEN("We use operators")
+		{
+			THEN("Operator[] with 2 should be 4")
+			{
+				CHECK(4 == sparsePtr[2]);
+			}
+
+			THEN("Operator++ and Operator-- should be opposite")
+			{
+				++sparsePtr;
+				CHECK(2 == *sparsePtr);
+				auto old = sparsePtr++;
+				CHECK(2 == *old);
+				CHECK(4 == *sparsePtr);
+
+				--sparsePtr;
+				CHECK(2 == *sparsePtr);
+				auto oldMinus = sparsePtr--;
+				CHECK(2 == *oldMinus);
+				CHECK(0 == *sparsePtr);
+			}
+
+			THEN("Operator+ and operator-")
+			{
+				auto offsetTwo = sparsePtr + 2;
+				CHECK(4 == *offsetTwo);
+
+				auto offsetZero = offsetTwo - 2;
+				CHECK(0 == *offsetZero);
+
+				CHECK((offsetTwo - offsetZero) == 2);
+			}
+		}
+	}
+}