library/cpp/logger/element_ut.cpp


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#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); 
}