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Add tests for Random::randomUInt() and randomUIntRange().

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This commit is contained in:
Felix Geyer 2013-10-09 23:11:18 +02:00
parent 9c788a6e84
commit 98d888063b
3 changed files with 151 additions and 0 deletions
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3
tests/CMakeLists.txt
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@ -162,6 +162,9 @@ add_unit_test(NAME testentry SOURCES TestEntry.cpp MOCS TestEntry.h
add_unit_test(NAME testargumentparser SOURCES TestArgumentParser.cpp MOCS TestArgumentParser.h
LIBS ${TEST_LIBRARIES})
add_unit_test(NAME testrandom SOURCES TestRandom.cpp MOCS TestRandom.h
LIBS ${TEST_LIBRARIES})
if(WITH_GUI_TESTS)
add_subdirectory(gui)
endif(WITH_GUI_TESTS)

97
tests/TestRandom.cpp Normal file
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@ -0,0 +1,97 @@
/*
* Copyright (C) 2013 Felix Geyer <debfx@fobos.de>
*
* 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 or (at your option)
* version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "TestRandom.h"
#include "tests.h"
#include "core/Endian.h"
#include <QTest>
void TestRandom::initTestCase()
{
m_backend = new RandomBackendTest();
Random::createWithBackend(m_backend);
}
void TestRandom::testUInt()
{
QByteArray nextBytes;
nextBytes = Endian::int32ToBytes(42, QSysInfo::ByteOrder);
m_backend->setNextBytes(nextBytes);
QCOMPARE(randomGen()->randomUInt(100), 42U);
nextBytes = Endian::int32ToBytes(117, QSysInfo::ByteOrder);
m_backend->setNextBytes(nextBytes);
QCOMPARE(randomGen()->randomUInt(100), 17U);
nextBytes = Endian::int32ToBytes(1001, QSysInfo::ByteOrder);
m_backend->setNextBytes(nextBytes);
QCOMPARE(randomGen()->randomUInt(1), 0U);
nextBytes.clear();
nextBytes.append(Endian::int32ToBytes(4294967295U, QSysInfo::ByteOrder));
nextBytes.append(Endian::int32ToBytes(4294897295U, QSysInfo::ByteOrder));
m_backend->setNextBytes(nextBytes);
QCOMPARE(randomGen()->randomUInt(100000U), 97295U);
nextBytes.clear();
for (int i = 0; i < 10000; i++) {
nextBytes.append(Endian::int32ToBytes(2147483648U + i, QSysInfo::ByteOrder));
}
nextBytes.append(Endian::int32ToBytes(2147483647U, QSysInfo::ByteOrder));
m_backend->setNextBytes(nextBytes);
QCOMPARE(randomGen()->randomUInt(2147483648U), 2147483647U);
}
void TestRandom::testUIntRange()
{
QByteArray nextBytes;
nextBytes = Endian::int32ToBytes(42, QSysInfo::ByteOrder);
m_backend->setNextBytes(nextBytes);
QCOMPARE(randomGen()->randomUIntRange(100, 200), 142U);
}
RandomBackendTest::RandomBackendTest()
: m_bytesIndex(0)
{
}
void RandomBackendTest::randomize(void* data, int len)
{
QVERIFY(len <= (m_nextBytes.size() - m_bytesIndex));
char* charData = reinterpret_cast<char*>(data);
for (int i = 0; i < len; i++) {
charData[i] = m_nextBytes[m_bytesIndex + i];
}
m_bytesIndex += len;
}
void RandomBackendTest::setNextBytes(const QByteArray& nextBytes)
{
m_nextBytes = nextBytes;
m_bytesIndex = 0;
}
QTEST_GUILESS_MAIN(TestRandom)

51
tests/TestRandom.h Normal file
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@ -0,0 +1,51 @@
/*
* Copyright (C) 2013 Felix Geyer <debfx@fobos.de>
*
* 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 or (at your option)
* version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef KEEPASSX_TESTRANDOM_H
#define KEEPASSX_TESTRANDOM_H
#include "core/Global.h"
#include "crypto/Random.h"
#include <QObject>
class RandomBackendTest : public RandomBackend
{
public:
RandomBackendTest();
void randomize(void* data, int len) Q_DECL_OVERRIDE;
void setNextBytes(const QByteArray& nextBytes);
private:
QByteArray m_nextBytes;
int m_bytesIndex;
};
class TestRandom : public QObject
{
Q_OBJECT
private Q_SLOTS:
void initTestCase();
void testUInt();
void testUIntRange();
private:
RandomBackendTest* m_backend;
};
#endif // KEEPASSX_TESTRANDOM_H