intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 36 insertions, 0 deletions

diff --git a/util/generic/objects_counter_ut.cpp b/util/generic/objects_counter_ut.cpp
new file mode 100644
index 00000000000..4d5da37a56f
--- /dev/null
+++ b/util/generic/objects_counter_ut.cpp
@@ -0,0 +1,36 @@
+#include "object_counter.h"
+
+#include <library/cpp/testing/unittest/registar.h>
+
+Y_UNIT_TEST_SUITE(ObjectsCounter) {
+    struct TObject: public TObjectCounter<TObject> {
+    };
+
+    Y_UNIT_TEST(Test1) {
+        TObject obj;
+        TVector<TObject> objects;
+        for (ui32 i = 0; i < 100; ++i) {
+            objects.push_back(obj);
+        }
+        UNIT_ASSERT_EQUAL(TObjectCounter<TObject>::ObjectCount(), 101);
+    }
+
+    Y_UNIT_TEST(TestEq) {
+        TObject obj;
+        {
+            TObject obj1 = obj;
+            UNIT_ASSERT_EQUAL(TObjectCounter<TObject>::ObjectCount(), 2);
+        }
+        UNIT_ASSERT_EQUAL(TObjectCounter<TObject>::ObjectCount(), 1);
+    }
+
+    Y_UNIT_TEST(TestMove) {
+        TObject obj;
+        UNIT_ASSERT_EQUAL(TObjectCounter<TObject>::ObjectCount(), 1);
+        {
+            TObject obj1 = std::move(obj);
+            UNIT_ASSERT_EQUAL(TObjectCounter<TObject>::ObjectCount(), 2);
+        }
+        UNIT_ASSERT_EQUAL(TObjectCounter<TObject>::ObjectCount(), 1);
+    }
+}