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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.
*
*=========================================================================*/
#include <iostream>
#include "itkListSample.h"
#include "itkNeighborhoodSampler.h"
#include "itkMath.h"
int
itkNeighborhoodSamplerTest1(int, char *[])
{
constexpr unsigned int MeasurementVectorSize = 17;
using MeasurementVectorType = itk::FixedArray<float, MeasurementVectorSize>;
using SampleType = itk::Statistics::ListSample<MeasurementVectorType>;
using FilterType = itk::Statistics::NeighborhoodSampler<SampleType>;
using RadiusType = FilterType::RadiusType;
using InputRadiusObjectType = FilterType::InputRadiusObjectType;
auto sample = SampleType::New();
auto filter = FilterType::New();
// Test GetInput() before setting the input
if (filter->GetInput() != nullptr)
{
std::cerr << "GetInput() should have returned nullptr" << std::endl;
return EXIT_FAILURE;
}
// Test GetOutput() before creating the output
if (filter->GetOutput() == nullptr)
{
std::cerr << "GetOutput() should have returned NON-nullptr" << std::endl;
return EXIT_FAILURE;
}
filter->SetInput(sample);
if (filter->GetInput() != sample.GetPointer())
{
std::cerr << "GetInput() didn't matched SetInput()" << std::endl;
return EXIT_FAILURE;
}
// Testing the settings of the Radius.
constexpr RadiusType radius1 = 237;
constexpr RadiusType radius2 = 179;
filter->SetRadius(radius1);
const InputRadiusObjectType * recoveredRadiusObject = filter->GetRadiusInput();
if (recoveredRadiusObject == nullptr)
{
std::cerr << "GetRadiusInput() returned nullptr object." << std::endl;
return EXIT_FAILURE;
}
if (itk::Math::NotExactlyEquals(recoveredRadiusObject->Get(), radius1))
{
std::cerr << "GetRadiusInput() test for value consistency 1 failed." << std::endl;
return EXIT_FAILURE;
}
filter->SetRadius(radius2);
recoveredRadiusObject = filter->GetRadiusInput();
if (recoveredRadiusObject == nullptr)
{
std::cerr << "GetRadiusInput() returned nullptr object." << std::endl;
return EXIT_FAILURE;
}
if (itk::Math::NotExactlyEquals(recoveredRadiusObject->Get(), radius2))
{
std::cerr << "GetRadiusInput() test for value consistency 2 failed." << std::endl;
return EXIT_FAILURE;
}
auto radiusObject1 = InputRadiusObjectType::New();
radiusObject1->Set(radius1);
filter->SetRadiusInput(radiusObject1);
recoveredRadiusObject = filter->GetRadiusInput();
if (recoveredRadiusObject != radiusObject1)
{
std::cerr << "GetRadiusInput() test for pointer consistency 1 failed." << std::endl;
return EXIT_FAILURE;
}
if (itk::Math::NotExactlyEquals(recoveredRadiusObject->Get(), radius1))
{
std::cerr << "GetRadiusInput() test for value consistency 3 failed." << std::endl;
return EXIT_FAILURE;
}
auto radiusObject2 = InputRadiusObjectType::New();
radiusObject2->Set(radius2);
filter->SetRadiusInput(radiusObject2);
recoveredRadiusObject = filter->GetRadiusInput();
if (recoveredRadiusObject != radiusObject2)
{
std::cerr << "GetRadiusInput() test for pointer consistency 2 failed." << std::endl;
return EXIT_FAILURE;
}
if (itk::Math::NotExactlyEquals(recoveredRadiusObject->Get(), radius2))
{
std::cerr << "GetRadiusInput() test for value consistency 4 failed." << std::endl;
return EXIT_FAILURE;
}
//
// Testing exception cases in the GenerateData() method.
//
filter->SetRadiusInput(nullptr);
std::cout << "GetRadiusInput() = " << filter->GetRadiusInput() << std::endl;
try
{
filter->Update();
std::cerr << "Failure to throw expected exception ";
std::cerr << " due to nullptr SetRadiusInput()";
return EXIT_FAILURE;
}
catch (const itk::ExceptionObject &)
{
std::cout << "Expected exception received" << std::endl;
}
radiusObject1->Set(100);
filter->SetRadiusInput(radiusObject1);
//
// Exercise the Print() method
//
filter->Print(std::cout);
filter->Update();
std::cout << "Classname " << filter->GetNameOfClass() << std::endl;
std::cout << "Test Passed !" << std::endl;
return EXIT_SUCCESS;
}
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