intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 39 insertions, 0 deletions

diff --git a/library/cpp/logger/element_ut.cpp b/library/cpp/logger/element_ut.cpp
new file mode 100644
index 0000000000..32edc52dfb
--- /dev/null
+++ b/library/cpp/logger/element_ut.cpp
@@ -0,0 +1,39 @@
+#include "log.h"
+#include "element.h"
+#include "stream.h"
+
+#include <util/generic/string.h>
+#include <util/stream/str.h>
+#include <util/generic/ptr.h>
+#include <utility>
+
+#include <library/cpp/testing/unittest/registar.h>
+
+class TLogElementTest: public TTestBase {
+    UNIT_TEST_SUITE(TLogElementTest);
+    UNIT_TEST(TestMoveCtor);
+    UNIT_TEST_SUITE_END();
+
+public:
+    void TestMoveCtor();
+};
+
+UNIT_TEST_SUITE_REGISTRATION(TLogElementTest);
+
+void TLogElementTest::TestMoveCtor() {
+    TStringStream output;
+    TLog log(MakeHolder<TStreamLogBackend>(&output));
+
+    THolder<TLogElement> src = MakeHolder<TLogElement>(&log);
+
+    TString message = "Hello, World!";
+    (*src) << message;
+
+    THolder<TLogElement> dst = MakeHolder<TLogElement>(std::move(*src));
+
+    src.Destroy();
+    UNIT_ASSERT(output.Str() == "");
+
+    dst.Destroy();
+    UNIT_ASSERT(output.Str() == message);
+}