util/system/error_ut.cpp


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#include "error.h" 
 
#include <library/cpp/testing/unittest/registar.h>
 
#include <util/generic/ylimits.h>
 
#ifdef _win_
    #include "winint.h" 
#else
    #include <fcntl.h> 
#endif

class TSysErrorTest: public TTestBase { 
    UNIT_TEST_SUITE(TSysErrorTest); 
    UNIT_TEST(TestErrorCode) 
    UNIT_TEST(TestErrorMessage) 
    UNIT_TEST_SUITE_END(); 
 
private: 
    inline void TestErrorCode() { 
        GenFailure(); 
 
        UNIT_ASSERT(LastSystemError() != 0); 
    } 
 
    inline void TestErrorMessage() { 
        GenFailure(); 
 
        UNIT_ASSERT(*LastSystemErrorText() != 0); 
    } 
 
    inline void GenFailure() { 
#ifdef _win_
        SetLastError(3); 
#else
        UNIT_ASSERT(open("/non-existent", O_RDONLY) < 0); 
#endif
    } 
}; 
 
UNIT_TEST_SUITE_REGISTRATION(TSysErrorTest);