Added CMakeLists as build framework

test/Main.cpp

@@ -0,0 +1,4 @@
+#define CATCH_CONFIG_MAIN
+
+#include "catch2/catch.hpp"
+

test/ManagerTest.cpp

@@ -1,8 +0,0 @@
-#include "gtest/gtest.h"
-
-#include "../src/Manager.hpp"
-
-TEST(ManagerTest, ManagerEmptyInitTest) {
-    kp::Manager mgr;
-    mgr.~Manager();
-}

test/TestTensor.cpp

@@ -0,0 +1,25 @@
+#include <catch2/catch.hpp>
+
+#include "Tensor.hpp"
+
+
+int Factorial( int number ) {
+   return number <= 1 ? number : Factorial( number - 1 ) * number;  // fail
+// return number <= 1 ? 1      : Factorial( number - 1 ) * number;  // pass
+}
+
+TEST_CASE( "Factorial of 0 is 1 (fail)", "[single-file]" ) {
+    REQUIRE( Factorial(0) == 1 );
+}
+
+TEST_CASE( "Factorials of 1 and higher are computed (pass)", "[single-file]" ) {
+    REQUIRE( Factorial(1) == 1 );
+    REQUIRE( Factorial(2) == 2 );
+    REQUIRE( Factorial(3) == 6 );
+    REQUIRE( Factorial(10) == 3628800 );
+}
+
+TEST_CASE("Exploring if manager test compiles") {
+    kp::Tensor tensor({0,1,2});
+    REQUIRE( tensor.size() == 3 );
+}