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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 "itkOptimizerParameters.h"
#include "itkIntTypes.h"
#include "itkTestingMacros.h"
#include "itkMath.h"
template <typename TValue>
bool
runTestByType()
{
bool passed = true;
itk::OptimizerParameters<TValue> params;
params.SetSize(10);
params.Fill(1.23);
std::cout << "GetSize: " << params.GetSize() << std::endl;
/* Test different ctors */
// Construct by size
itk::SizeValueType dim = 20;
itk::OptimizerParameters<TValue> paramsSize(dim);
if (paramsSize.GetSize() != dim)
{
std::cerr << "Constructor with dimension failed. Expected size of " << dim << ", but got " << paramsSize.GetSize()
<< '.' << std::endl;
passed = false;
}
// Copy constructor
{
itk::OptimizerParameters<TValue> paramsCopy(params);
for (itk::SizeValueType i = 0; i < params.GetSize(); ++i)
{
if (itk::Math::NotExactlyEquals(params[i], paramsCopy[i]))
{
std::cerr << "Copy constructor failed. " << std::endl;
passed = false;
}
}
}
// Constructor from array
itk::Array<TValue> array(dim);
for (itk::SizeValueType i = 0; i < dim; ++i)
{
array[i] = i * 3.19;
}
{
itk::OptimizerParameters<TValue> paramsCopy(array);
for (itk::SizeValueType i = 0; i < params.GetSize(); ++i)
{
if (itk::Math::NotExactlyEquals(array[i], paramsCopy[i]))
{
std::cerr << "Constructor from Array failed. " << std::endl;
passed = false;
}
}
}
/* Test assignment operators from different types */
// Assign from Array
itk::OptimizerParameters<TValue> paramsArray;
paramsArray = array;
for (itk::SizeValueType i = 0; i < array.GetSize(); ++i)
{
if (itk::Math::NotExactlyEquals(paramsArray[i], array[i]))
{
std::cerr << "Copy from Array via assignment failed. " << std::endl;
passed = false;
}
}
// Assign from VnlVector
vnl_vector<TValue> vector(dim);
for (itk::SizeValueType i = 0; i < dim; ++i)
{
vector[i] = i * 0.123;
}
{
itk::OptimizerParameters<TValue> paramsVnl;
paramsVnl = vector;
for (itk::SizeValueType i = 0; i < paramsVnl.GetSize(); ++i)
{
if (itk::Math::NotExactlyEquals(vector[i], paramsVnl[i]))
{
std::cerr << "Assignment from VnlVector failed. " << std::endl;
passed = false;
}
}
}
/* Test MoveDataPointer to point to different memory block */
TValue block[10] = { 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 };
params.MoveDataPointer(block);
for (int i = 0; i < 10; ++i)
{
if (itk::Math::NotExactlyEquals(params[i], 10 - i))
{
std::cerr << "Failed reading memory after MoveDataPointer." << std::endl
<< "Expected: " << 10 - i << ", got: " << params[i] << std::endl;
passed = false;
}
}
/* Test SetParametersObject. Should throw exception with default helper. */
typename itk::LightObject::Pointer dummyObj = itk::LightObject::New();
ITK_TRY_EXPECT_EXCEPTION(params.SetParametersObject(dummyObj));
/* Test with null helper and expect exception */
params.SetHelper(nullptr);
ITK_TRY_EXPECT_EXCEPTION(params.MoveDataPointer(block));
ITK_TRY_EXPECT_EXCEPTION(params.SetParametersObject(dummyObj));
/* Test copy operator */
itk::OptimizerParameters<TValue> params1(4);
itk::OptimizerParameters<TValue> params2(4);
params1.Fill(1.23);
params2 = params1;
for (itk::SizeValueType i = 0; i < params1.GetSize(); ++i)
{
if (itk::Math::NotExactlyEquals(params1[i], params2[i]))
{
std::cerr << "Copy operator failed:" << std::endl
<< "params1 " << params1 << std::endl
<< "params2 " << params2 << std::endl;
passed = false;
break;
}
}
/* Exercise set helper */
using HelperType = typename itk::OptimizerParameters<TValue>::OptimizerParametersHelperType;
auto * helper = new HelperType;
params1.SetHelper(helper);
return passed;
}
int
itkOptimizerParametersTest(int, char *[])
{
bool passed = true;
/* Test double type */
if (runTestByType<double>() == false)
{
passed = false;
}
/* Test float type */
if (runTestByType<float>() == false)
{
passed = false;
}
return passed ? EXIT_SUCCESS : EXIT_FAILURE;
}
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