Files
scylladb/test/lib/make_random_string.hh
Piotr Sarna 91e02ed3ad test/lib: add generating random numeric string
Useful for testing random numeric inputs, e.g. big decimals.
2020-06-01 16:11:49 +02:00

51 lines
1.4 KiB
C++

/*
* Copyright (C) 2017 ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <seastar/core/sstring.hh>
#include "seastarx.hh"
#include <random>
inline
sstring make_random_string(size_t size) {
static thread_local std::default_random_engine rng;
std::uniform_int_distribution<char> dist;
sstring str = uninitialized_string(size);
for (auto&& b : str) {
b = dist(rng);
}
return str;
}
inline
sstring make_random_numeric_string(size_t size) {
static thread_local std::default_random_engine rng;
std::uniform_int_distribution<char> dist('0', '9');
sstring str = uninitialized_string(size);
for (auto&& b : str) {
b = dist(rng);
}
return str;
}