mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2024-12-27 08:19:47 -05:00
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/*
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* Copyright (C) 2013 Felix Geyer <debfx@fobos.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 or (at your option)
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* version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "TestRandom.h"
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#include "core/Endian.h"
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#include "core/Global.h"
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#include <QTest>
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QTEST_GUILESS_MAIN(TestRandom)
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void TestRandom::initTestCase()
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{
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m_backend = new RandomBackendTest();
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Random::createWithBackend(m_backend);
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}
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void TestRandom::testUInt()
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{
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QByteArray nextBytes;
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nextBytes = Endian::int32ToBytes(42, QSysInfo::ByteOrder);
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m_backend->setNextBytes(nextBytes);
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QCOMPARE(randomGen()->randomUInt(100), 42U);
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nextBytes = Endian::int32ToBytes(117, QSysInfo::ByteOrder);
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m_backend->setNextBytes(nextBytes);
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QCOMPARE(randomGen()->randomUInt(100), 17U);
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nextBytes = Endian::int32ToBytes(1001, QSysInfo::ByteOrder);
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m_backend->setNextBytes(nextBytes);
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QCOMPARE(randomGen()->randomUInt(1), 0U);
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nextBytes.clear();
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nextBytes.append(Endian::int32ToBytes(QUINT32_MAX, QSysInfo::ByteOrder));
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nextBytes.append(Endian::int32ToBytes(QUINT32_MAX - 70000U, QSysInfo::ByteOrder));
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m_backend->setNextBytes(nextBytes);
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QCOMPARE(randomGen()->randomUInt(100000U), (QUINT32_MAX - 70000U) % 100000U);
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nextBytes.clear();
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for (int i = 0; i < 10000; i++) {
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nextBytes.append(Endian::int32ToBytes((QUINT32_MAX / 2U) + 1U + i, QSysInfo::ByteOrder));
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}
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nextBytes.append(Endian::int32ToBytes(QUINT32_MAX / 2U, QSysInfo::ByteOrder));
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m_backend->setNextBytes(nextBytes);
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QCOMPARE(randomGen()->randomUInt((QUINT32_MAX / 2U) + 1U), QUINT32_MAX / 2U);
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}
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void TestRandom::testUIntRange()
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{
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QByteArray nextBytes;
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nextBytes = Endian::int32ToBytes(42, QSysInfo::ByteOrder);
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m_backend->setNextBytes(nextBytes);
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QCOMPARE(randomGen()->randomUIntRange(100, 200), 142U);
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}
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RandomBackendTest::RandomBackendTest()
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: m_bytesIndex(0)
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{
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}
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void RandomBackendTest::randomize(void* data, int len)
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{
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QVERIFY(len <= (m_nextBytes.size() - m_bytesIndex));
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char* charData = reinterpret_cast<char*>(data);
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for (int i = 0; i < len; i++) {
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charData[i] = m_nextBytes[m_bytesIndex + i];
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}
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m_bytesIndex += len;
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}
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void RandomBackendTest::setNextBytes(const QByteArray& nextBytes)
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{
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m_nextBytes = nextBytes;
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m_bytesIndex = 0;
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}
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