aria2/test/SimpleRandomizerTest.cc

71 lines
2.3 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2022 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "SimpleRandomizer.h"
#include <set>
#include <array>
#include <cppunit/extensions/HelperMacros.h>
namespace aria2 {
class SimpleRandomizerTest : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(SimpleRandomizerTest);
CPPUNIT_TEST(testGetRandomBytes);
CPPUNIT_TEST_SUITE_END();
public:
void testGetRandomBytes();
};
CPPUNIT_TEST_SUITE_REGISTRATION(SimpleRandomizerTest);
void SimpleRandomizerTest::testGetRandomBytes()
{
std::set<std::string> set;
constexpr size_t n = 5000;
for (size_t i = 0; i < 5000; ++i) {
std::array<unsigned char, 257> buf;
SimpleRandomizer::getInstance()->getRandomBytes(buf.data(), buf.size());
set.emplace(std::begin(buf), std::end(buf));
}
CPPUNIT_ASSERT_EQUAL(n, set.size());
}
} // namespace aria2