Method TestResize

util/system/file_ut.cpp:96–117

    }

    inline void TestResize() {
        TTempFile tmp("tmp");

        {
            TFile file(tmp.Name(), OpenAlways | WrOnly);

            file.Write("1234567", 7);
            file.Seek(3, sSet);

            file.Resize(5);
            UNIT_ASSERT_EQUAL(file.GetLength(), 5);
            UNIT_ASSERT_EQUAL(file.GetPosition(), 3);

            file.Resize(12);
            UNIT_ASSERT_EQUAL(file.GetLength(), 12);
            UNIT_ASSERT_EQUAL(file.GetPosition(), 3);
        }

        const TString data = TUnbufferedFileInput(tmp.Name()).ReadAll();
        UNIT_ASSERT_EQUAL(data.length(), 12);
        UNIT_ASSERT(data.StartsWith("12345"));
    }
};

UNIT_TEST_SUITE_REGISTRATION(TFileTest);