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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkCompositeArray.h"
#include "vtkAffineArray.h"
#include "vtkDataArrayRange.h"
#include "vtkIntArray.h"
#include <cstdlib>
#include <memory>
namespace
{
vtkSmartPointer<vtkCompositeArray<int>> SetupCompositeArray(int length)
{
std::vector<vtkSmartPointer<vtkAffineArray<int>>> affArrays(length / 20);
std::vector<vtkSmartPointer<vtkIntArray>> intArrays(length / 20);
for (int i = 0; i < length / 20; ++i)
{
vtkNew<vtkAffineArray<int>> affine;
affine->SetBackend(std::make_shared<vtkAffineImplicitBackend<int>>(1, i * 20));
affine->SetNumberOfTuples(10);
affine->SetNumberOfComponents(1);
affArrays[i] = affine;
}
for (int i = 0; i < length / 20; ++i)
{
vtkNew<vtkIntArray> iota;
iota->SetNumberOfTuples(10);
iota->SetNumberOfComponents(1);
auto range = vtk::DataArrayValueRange<1>(iota);
std::iota(range.begin(), range.end(), 10 * (2 * i + 1));
intArrays[i] = iota;
}
std::vector<vtkDataArray*> interleaf;
for (int i = 0; i < length / 20; ++i)
{
interleaf.emplace_back(affArrays[i]);
interleaf.emplace_back(intArrays[i]);
}
return vtk::ConcatenateDataArrays<int>(interleaf);
}
}
int TestCompositeArray(int vtkNotUsed(argc), char* vtkNotUsed(argv)[])
{
int res = EXIT_SUCCESS;
vtkSmartPointer<vtkCompositeArray<int>> composite = ::SetupCompositeArray(100);
for (int iArr = 0; iArr < 100; iArr++)
{
if (composite->GetValue(iArr) != iArr)
{
res = EXIT_FAILURE;
std::cerr << "get value failed with vtkCompositeArray: " << iArr
<< " != " << composite->GetValue(iArr) << std::endl;
}
}
int iArr = 0;
for (auto val : vtk::DataArrayValueRange<1>(composite))
{
if (val != iArr)
{
res = EXIT_FAILURE;
std::cerr << "range iterator failed with vtkCompositerray" << std::endl;
}
iArr++;
}
// test a 1 composite
vtkSmartPointer<vtkCompositeArray<int>> oneComposite =
vtk::ConcatenateDataArrays<int>(std::vector<vtkDataArray*>({ composite }));
for (iArr = 0; iArr < 100; iArr++)
{
if (oneComposite->GetValue(iArr) != iArr)
{
res = EXIT_FAILURE;
std::cerr << "get value failed with vtkCompositeArray for composite with one array: " << iArr
<< " != " << composite->GetValue(iArr) << std::endl;
}
}
// test memory size measurement
vtkSmartPointer<vtkCompositeArray<int>> largeComposite = ::SetupCompositeArray(2000 * 20);
if (largeComposite->GetActualMemorySize() != 2000 * 2)
{
res = EXIT_FAILURE;
std::cerr << "Wrong value memory size value for large vtkCompositeArray: "
<< largeComposite->GetActualMemorySize() << " KiB instead of " << 20 * sizeof(int)
<< std::endl;
}
return res;
}
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