ResInsight/Fwk/AppFwk/cafProjectDataModel/cafPdmXml/cafPdmXml_UnitTests/cafPdmXmlNumberTest.cpp

#include "gtest/gtest.h"

#include "cafPdmDataValueField.h"
#include "cafPdmObjectHandle.h"
#include "cafPdmXmlObjectHandle.h"
#include "cafPdmXmlObjectHandleMacros.h"

#include <QXmlStreamWriter>

#include <cmath>

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
class SimpleObjectWithNumbers : public caf::PdmObjectHandle, public caf::PdmXmlObjectHandle
{
    CAF_PDM_XML_HEADER_INIT;

public:
    SimpleObjectWithNumbers() : PdmObjectHandle(), PdmXmlObjectHandle(this, false)
    {
        CAF_PDM_XML_InitField(&m_valueA, "ValueA");
        CAF_PDM_XML_InitField(&m_valueB, "ValueB");

        CAF_PDM_XML_InitField(&m_floatValueA, "FloatValueA");
        CAF_PDM_XML_InitField(&m_floatValueB, "FloatValueB");
    }

    caf::PdmDataValueField<double> m_valueA;
    caf::PdmDataValueField<double> m_valueB;

    caf::PdmDataValueField<float> m_floatValueA;
    caf::PdmDataValueField<float> m_floatValueB;
};
CAF_PDM_XML_SOURCE_INIT(SimpleObjectWithNumbers, "SimpleObjectWithNumbers");

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(SerializeNumbers, SimpleObjectWithDoubleValues)
{
    double valueA = 0.123456789;
    double valueB = 123456789 + valueA;

    QString objectAsText;

    {
        SimpleObjectWithNumbers obj1;

        obj1.m_valueA = valueA;
        obj1.m_valueB = valueB;

        objectAsText = obj1.writeObjectToXmlString();
    }

    {
        SimpleObjectWithNumbers obj1;

        obj1.readObjectFromXmlString(objectAsText, caf::PdmDefaultObjectFactory::instance());

        {
            double epsilon = 1e-7;

            double diffA = fabs(obj1.m_valueA - valueA);
            EXPECT_TRUE(diffA < epsilon);
        }

        {
            double epsilon = 3e-7;

            double diffB = fabs(obj1.m_valueB - valueB);
            EXPECT_TRUE(diffB < epsilon);
        }
    }
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(SerializeNumbers, SimpleObjectWithFloatValues)
{
    float valueA = 0.123456789f;
    float valueB = 123456 + valueA;

    QString objectAsText;

    {
        SimpleObjectWithNumbers obj1;

        obj1.m_floatValueA = valueA;
        obj1.m_floatValueB = valueB;

        objectAsText = obj1.writeObjectToXmlString();
    }

    {
        SimpleObjectWithNumbers obj1;

        obj1.readObjectFromXmlString(objectAsText, caf::PdmDefaultObjectFactory::instance());

        double epsilon = 1e-7;

        double diffA = fabs(obj1.m_floatValueA - valueA);
        EXPECT_TRUE(diffA < epsilon);

        double diffB = fabs(obj1.m_floatValueB - valueB);
        EXPECT_TRUE(diffB < epsilon);
    }
}