intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 47 insertions, 0 deletions

diff --git a/util/generic/scope_ut.cpp b/util/generic/scope_ut.cpp
new file mode 100644
index 0000000000..bdb434d487
--- /dev/null
+++ b/util/generic/scope_ut.cpp
@@ -0,0 +1,47 @@
+#include "scope.h"
+
+#include <util/generic/ptr.h>
+#include <library/cpp/testing/unittest/registar.h>
+
+Y_UNIT_TEST_SUITE(ScopeToolsTest) {
+    Y_UNIT_TEST(OnScopeExitTest) {
+        int i = 0;
+
+        {
+            Y_SCOPE_EXIT(&i) {
+                i = i * 2;
+            };
+
+            Y_SCOPE_EXIT(&i) {
+                i = i + 1;
+            };
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(2, i);
+    }
+
+    Y_UNIT_TEST(OnScopeExitMoveTest) {
+        THolder<int> i{new int{10}};
+        int p = 0;
+
+        {
+            Y_SCOPE_EXIT(i = std::move(i), &p) {
+                p = *i * 2;
+            };
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(20, p);
+    }
+
+    Y_UNIT_TEST(TestDefer) {
+        int i = 0;
+
+        {
+            Y_DEFER {
+                i = 20;
+            };
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(i, 20);
+    }
+}