Add tests for ScopeExit (KF-28, #48)

* add tests for ScopeExit

* refactoring

* add test

* Update test/ScopeExitTest.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Vlada Kanivets <vlada.kanivets@apriorit.com>
Co-authored-by: Sergey Podobry <sergius@apriorit.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 4 people

test/CMakeLists.txt

@@ -44,6 +44,7 @@ wdk_add_driver(kf-test WINVER NTDDI_WIN10 STL
     HexTest.cpp
     MapTest.cpp
     Vector.cpp
+    ScopeExitTest.cpp
     SingletonTest.cpp
     DoubleLinkedListTest.cpp
     ArrayUtilsTest.cpp

test/ScopeExitTest.cpp

@@ -0,0 +1,49 @@
+#include "pch.h"
+#include <kf/ScopeExit.h>
+
+SCENARIO("SCOPE_EXIT macro")
+{
+    GIVEN("A block of code with SCOPE_EXIT")
+    {
+        WHEN("The block is executed")
+        {
+            int value = 0;
+
+            {
+                SCOPE_EXIT{ value++; };
+
+                THEN("Scoped function doesn't execute until scope ends")
+                {
+                    REQUIRE(value == 0);
+                }
+            }
+
+            THEN("The cleanup code should execute after the block")
+            {
+                REQUIRE(value == 1);
+            }
+        }
+
+        WHEN("Multiple SCOPE_EXIT macros are used in the same block")
+        {
+            int value = 1;
+
+            {
+                SCOPE_EXIT
+                {
+                    value *= 5;
+                };
+
+                SCOPE_EXIT
+                {
+                    value += 2;
+                };
+            }
+
+            THEN("The cleanup code should execute in reverse order of declaration")
+            {
+                REQUIRE(value == 15);
+            }
+        }
+    }
+}