Method TestNetworkResolutionErrorMessage

util/network/socket_ut.cpp:93–127

}

void TSockTest::TestNetworkResolutionErrorMessage() {
#ifdef _unix_
    auto str = [](int code) -> TString {
        return TNetworkResolutionError(code).what();
    };

    auto expected = [](int code) -> TString {
        return gai_strerror(code);
    };

    struct TErrnoGuard {
        TErrnoGuard()
            : PrevValue_(errno)
        {
        }

        ~TErrnoGuard() {
            errno = PrevValue_;
        }

    private:
        int PrevValue_;
    } g;

    UNIT_ASSERT_VALUES_EQUAL(expected(0) + "(0): ", str(0));
    UNIT_ASSERT_VALUES_EQUAL(expected(-9) + "(-9): ", str(-9));

    errno = 0;
    UNIT_ASSERT_VALUES_EQUAL(expected(EAI_SYSTEM) + "(" + IntToString<10>(EAI_SYSTEM) + "; errno=0): ",
                             str(EAI_SYSTEM));
    errno = 110;
    UNIT_ASSERT_VALUES_EQUAL(expected(EAI_SYSTEM) + "(" + IntToString<10>(EAI_SYSTEM) + "; errno=110): ",
                             str(EAI_SYSTEM));
#endif
}

class TTempEnableSigPipe {
public: