Function rand_string

test/recordio_unittest.cpp:232–240

}

static std::string rand_string(int min_len, int max_len) {
    const int len = butil::fast_rand_in(min_len, max_len);
    std::string str;
    str.reserve(len);
    for (int i = 0; i < len; ++i) {
        str.push_back(butil::fast_rand_in('a', 'Z'));
    }
    return str;
}

TEST(RecordIOTest, write_read_random) {
    StringWriter sw;