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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 "itkHilbertPath.h"
#include "itkNumericTraits.h"
#include "itkTestingMacros.h"
template <typename PathType>
int
HilbertPathTestHelper(unsigned int maxHilbertPathOder)
{
int testStatus = EXIT_SUCCESS;
using IndexType = typename PathType::IndexType;
auto path = PathType::New();
for (unsigned int order = 1; order < maxHilbertPathOder; ++order)
{
path->SetHilbertOrder(order);
ITK_TEST_SET_GET_VALUE(order, path->GetHilbertOrder());
path->Initialize();
typename PathType::InputType input = 0;
ITK_TRY_EXPECT_EXCEPTION(path->IncrementInput(input));
typename PathType::InputType endOfInput = path->EndOfInput();
std::cout << "End of input: " << typename itk::NumericTraits<typename PathType::InputType>::PrintType(endOfInput)
<< std::endl;
for (unsigned int d = 0; d < path->NumberOfSteps(); ++d)
{
IndexType index = path->Evaluate(d);
if (d != path->EvaluateInverse(index))
{
std::cerr << "Test failed!" << std::endl;
std::cerr << "Incorrect match-up for path index (" << d << ") and multi-dimensional index (" << index << ')'
<< std::endl;
testStatus = EXIT_FAILURE;
}
}
// path->EvaluateToIndex( 6 )
for (unsigned int d = 0; d < 10; ++d)
{
IndexType index = path->TransformPathIndexToMultiDimensionalIndex(d);
if (d != path->EvaluateInverse(index))
{
std::cerr << "Test failed!" << std::endl;
std::cerr << "Incorrect match-up for path index (" << d << ") and multi-dimensional index (" << index << ')'
<< std::endl;
testStatus = EXIT_FAILURE;
}
}
}
return testStatus;
}
int
itkHilbertPathTest(int, char *[])
{
using IndexValueType = unsigned int;
int testStatus = EXIT_SUCCESS;
// Set a maximumg Hilbert path order
constexpr unsigned int maxHilbertPathOder = 5;
// Test dimension = 2
using HilbertPathType2D = itk::HilbertPath<IndexValueType, 2>;
auto path2D = HilbertPathType2D::New();
// Exercise basic object methods
// Done outside the helper function in the test because GCC is limited
// when calling overloaded base class functions.
ITK_EXERCISE_BASIC_OBJECT_METHODS(path2D, HilbertPath, Path);
testStatus = HilbertPathTestHelper<HilbertPathType2D>(maxHilbertPathOder);
// Test dimension = 3
using HilbertPathType3D = itk::HilbertPath<IndexValueType, 3>;
auto path3D = HilbertPathType3D::New();
// Exercise basic object methods
// Done outside the helper function in the test because GCC is limited
// when calling overloaded base class functions.
ITK_EXERCISE_BASIC_OBJECT_METHODS(path3D, HilbertPath, Path);
testStatus = HilbertPathTestHelper<HilbertPathType3D>(maxHilbertPathOder);
// Test dimension = 4
using HilbertPathType4D = itk::HilbertPath<IndexValueType, 4>;
auto path4D = HilbertPathType4D::New();
// Exercise basic object methods
// Done outside the helper function in the test because GCC is limited
// when calling overloaded base class functions.
ITK_EXERCISE_BASIC_OBJECT_METHODS(path4D, HilbertPath, Path);
testStatus = HilbertPathTestHelper<HilbertPathType4D>(maxHilbertPathOder);
std::cerr << "Test finished " << std::endl;
return testStatus;
}
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