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/**
* @file
* @brief Unit tests for openshot::Fraction
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2019 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* OpenShot Library (libopenshot) 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UnitTest++.h"
// Prevent name clashes with juce::UnitTest
#define DONT_SET_USING_JUCE_NAMESPACE 1
#include "../include/OpenShot.h"
using namespace std;
using namespace openshot;
TEST(Fraction_Default_Constructor)
{
// Create a default fraction (should be 1/1)
Fraction f1;
// Check default fraction
CHECK_EQUAL(1, f1.num);
CHECK_EQUAL(1, f1.den);
CHECK_CLOSE(1.0f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.0f, f1.ToDouble(), 0.00001);
// reduce fraction
f1.Reduce();
// Check the reduced fraction
CHECK_EQUAL(1, f1.num);
CHECK_EQUAL(1, f1.den);
CHECK_CLOSE(1.0f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.0f, f1.ToDouble(), 0.00001);
}
TEST(Fraction_640_480)
{
// Create fraction
Fraction f1(640, 480);
// Check fraction
CHECK_EQUAL(640, f1.num);
CHECK_EQUAL(480, f1.den);
CHECK_CLOSE(1.33333f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.33333f, f1.ToDouble(), 0.00001);
// reduce fraction
f1.Reduce();
// Check the reduced fraction
CHECK_EQUAL(4, f1.num);
CHECK_EQUAL(3, f1.den);
CHECK_CLOSE(1.33333f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.33333f, f1.ToDouble(), 0.00001);
}
TEST(Fraction_1280_720)
{
// Create fraction
Fraction f1(1280, 720);
// Check fraction
CHECK_EQUAL(1280, f1.num);
CHECK_EQUAL(720, f1.den);
CHECK_CLOSE(1.77777f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.77777f, f1.ToDouble(), 0.00001);
// reduce fraction
f1.Reduce();
// Check the reduced fraction
CHECK_EQUAL(16, f1.num);
CHECK_EQUAL(9, f1.den);
CHECK_CLOSE(1.77777f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.77777f, f1.ToDouble(), 0.00001);
}
TEST(Fraction_reciprocal)
{
// Create fraction
Fraction f1(1280, 720);
// Check fraction
CHECK_EQUAL(1280, f1.num);
CHECK_EQUAL(720, f1.den);
CHECK_CLOSE(1.77777f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.77777f, f1.ToDouble(), 0.00001);
// Get the reciprocal of the fraction (i.e. flip the fraction)
Fraction f2 = f1.Reciprocal();
// Check the reduced fraction
CHECK_EQUAL(720, f2.num);
CHECK_EQUAL(1280, f2.den);
CHECK_CLOSE(0.5625f, f2.ToFloat(), 0.00001);
CHECK_CLOSE(0.5625f, f2.ToDouble(), 0.00001);
// Re-Check the original fraction (to be sure it hasn't changed)
CHECK_EQUAL(1280, f1.num);
CHECK_EQUAL(720, f1.den);
CHECK_CLOSE(1.77777f, f1.ToFloat(), 0.00001);
CHECK_CLOSE(1.77777f, f1.ToDouble(), 0.00001);
}
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