git.m6w6.name Git - awesomized/libmemcached/blob - testing/lib/random.hpp

   1 #pragma once
   2
   3 #include <cstddef>
   4 #include <string>
   5 #include <type_traits>
   6 #include <utility>
   7
   8 using namespace std;
   9
  10 using kv_pair = pair<string, string>;
  11
  12 template<typename T>
  13 enable_if_t<is_integral_v<T>, T> random_num(T min, T max);
  14
  15 unsigned random_port();
  16
  17 char random_ascii(char min = '!', char max = '~');
  18 string random_ascii_string(size_t len, char min = '!', char max = '~');
  19 kv_pair random_ascii_pair(size_t minlen = 1<<2, size_t maxlen = 1<<10);
  20
  21 template<template <typename> class Container>
  22 auto random_ascii_pairs(size_t count, size_t minlen = 1<<2, size_t maxlen = 1<<10) {
  23   Container<kv_pair> v;
  24
  25   v.reserve(count);
  26   for (size_t i = 0; i < count; ++i) {
  27     v.emplace_back(random_ascii_pair(minlen, maxlen));
  28   }
  29
  30   return v;
  31 }
  32
  33 string random_socket(const string &prefix = "/tmp/libmc.");
  34 string random_socket_or_port_string(const string &what);
  35 string random_socket_or_port_flag(const string &binary);
  36
  37 inline auto random_socket_or_port_arg() {
  38   return make_pair(&random_socket_or_port_flag, &random_socket_or_port_string);
  39 }