vtk-m/vtkm/worklet/testing/UnitTestCellSetDualGraph.cxx
2019-04-17 10:57:13 -06:00

77 lines
2.6 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
//
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//============================================================================
#include <vtkm/cont/testing/MakeTestDataSet.h>
#include <vtkm/cont/testing/Testing.h>
#include <vtkm/filter/MarchingCubes.h>
#include <vtkm/worklet/connectivities/CellSetDualGraph.h>
class TestCellSetDualGraph
{
private:
template <typename T, typename Storage>
bool TestArrayHandle(const vtkm::cont::ArrayHandle<T, Storage>& ah,
const T* expected,
vtkm::Id size) const
{
if (size != ah.GetNumberOfValues())
{
return false;
}
for (vtkm::Id i = 0; i < size; ++i)
{
if (ah.GetPortalConstControl().Get(i) != expected[i])
{
return false;
}
}
return true;
}
public:
void TestTriangleMesh() const
{
std::vector<vtkm::Id> connectivity = { 0, 2, 4, 1, 3, 5, 2, 6, 4, 5, 3, 7, 2, 9, 6, 4, 6, 8 };
vtkm::cont::CellSetSingleType<> cellSet;
cellSet.Fill(8, vtkm::CELL_SHAPE_TRIANGLE, 3, vtkm::cont::make_ArrayHandle(connectivity));
vtkm::cont::ArrayHandle<vtkm::Id> numIndicesArray;
vtkm::cont::ArrayHandle<vtkm::Id> indexOffsetArray;
vtkm::cont::ArrayHandle<vtkm::Id> connectivityArray;
vtkm::worklet::connectivity::CellSetDualGraph().Run(
cellSet, numIndicesArray, indexOffsetArray, connectivityArray);
vtkm::Id expectedNumIndices[] = { 1, 1, 3, 1, 1, 1 };
VTKM_TEST_ASSERT(numIndicesArray.GetNumberOfValues() == 6,
"Wrong number of elements in NumIndices array");
VTKM_TEST_ASSERT(TestArrayHandle(numIndicesArray, expectedNumIndices, 6),
"Got incorrect numIndices");
vtkm::Id expectedIndexOffset[] = { 0, 1, 2, 5, 6, 7 };
VTKM_TEST_ASSERT(TestArrayHandle(indexOffsetArray, expectedIndexOffset, 6),
"Got incorrect indexOffset");
vtkm::Id expectedConnectivity[] = { 2, 3, 0, 4, 5, 1, 2, 2 };
VTKM_TEST_ASSERT(TestArrayHandle(connectivityArray, expectedConnectivity, 8),
"Got incorrect dual graph connectivity");
}
void operator()() const { this->TestTriangleMesh(); }
};
int UnitTestCellSetDualGraph(int argc, char* argv[])
{
return vtkm::cont::testing::Testing::Run(TestCellSetDualGraph(), argc, argv);
}