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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
// First include the header file to be tested:
#include "itkLightObject.h"
#include "itkObjectFactory.h"
#include <gtest/gtest.h>
// Tests that New() does initialize the data of a derived class, even when the derived class has a defaulted
// default-constructor *and* its data has no {} initializer. Uses itkSimpleNewMacro to define New().
TEST(LightObject, SimpleNewInitializesDataOfDerivedClass)
{
class DerivedClass : public itk::LightObject
{
public:
ITK_DISALLOW_COPY_AND_MOVE(DerivedClass);
using Self = DerivedClass;
using Pointer = itk::SmartPointer<Self>;
itkSimpleNewMacro(DerivedClass);
itkGetConstMacro(Data, int);
protected:
// Defaulted default-constructor, essential to this test.
DerivedClass() = default;
// Defaulted destructor.
~DerivedClass() override = default;
private:
int m_Data; // Without {} initializer, for the purpose of this test.
};
EXPECT_EQ(DerivedClass::New()->GetData(), 0);
}
// Tests that New() does initialize the data of a derived class, even when the derived class has a defaulted
// default-constructor *and* its data has no {} initializer. Uses itkFactorylessNewMacro to define New().
TEST(LightObject, FactorylessNewInitializesDataOfDerivedClass)
{
class DerivedClass : public itk::LightObject
{
public:
ITK_DISALLOW_COPY_AND_MOVE(DerivedClass);
using Self = DerivedClass;
using Pointer = itk::SmartPointer<Self>;
itkFactorylessNewMacro(DerivedClass);
itkGetConstMacro(Data, int);
protected:
// Defaulted default-constructor, essential to this test.
DerivedClass() = default;
// Defaulted destructor.
~DerivedClass() override = default;
private:
int m_Data; // Without {} initializer, for the purpose of this test.
};
EXPECT_EQ(DerivedClass::New()->GetData(), 0);
}
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