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/*=========================================================================
Program: Visualization Toolkit
Module: ArrayAPISparse.cxx
-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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 <vtkSparseArray.h>
#include <vtkSmartPointer.h>
#include <vtksys/ios/iostream>
#include <vtksys/stl/stdexcept>
#define test_expression(expression) \
{ \
if(!(expression)) \
throw vtkstd::runtime_error("Expression failed: " #expression); \
}
int TestArrayAPISparse(int vtkNotUsed(argc), char *vtkNotUsed(argv)[])
{
try
{
// Create an array ...
vtkSmartPointer<vtkSparseArray<double> > array = vtkSmartPointer<vtkSparseArray<double> >::New();
array->Resize(vtkArrayExtents::Uniform(3, 0));
test_expression(array);
// Test to ensure that casting works correctly ...
test_expression(vtkTypedArray<double>::SafeDownCast(array));
test_expression(vtkArray::SafeDownCast(array));
test_expression(vtkObject::SafeDownCast(array));
test_expression(!vtkTypedArray<int>::SafeDownCast(array));
// Confirm the initial state of the array ...
test_expression(array->GetDimensions() == 3);
test_expression(array->GetSize() == 0);
test_expression(array->GetNonNullSize() == 0);
test_expression(array->GetExtents() == vtkArrayExtents(0, 0, 0));
// Resize the array and verify that everything adds-up ...
array->Resize(vtkArrayExtents(1, 2, 3));
test_expression(array->GetDimensions() == 3);
test_expression(array->GetSize() == 6);
test_expression(array->GetNonNullSize() == 0);
test_expression(array->GetExtents() == vtkArrayExtents(1, 2, 3));
// Verify that the array contains all zeros ...
{
const vtkArrayExtents extents = array->GetExtents();
for(int i = extents[0].GetBegin(); i != extents[0].GetEnd(); ++i)
{
for(int j = extents[1].GetBegin(); j != extents[1].GetEnd(); ++j)
{
for(int k = extents[2].GetBegin(); k != extents[2].GetEnd(); ++k)
{
test_expression(array->GetValue(vtkArrayCoordinates(i, j, k)) == 0);
}
}
}
}
// Verify that we can write data into the array with AddValue() and read it out again ...
{
double value = 0;
const vtkArrayExtents extents = array->GetExtents();
for(int i = extents[0].GetBegin(); i != extents[0].GetEnd(); ++i)
{
for(int j = extents[1].GetBegin(); j != extents[1].GetEnd(); ++j)
{
for(int k = extents[2].GetBegin(); k != extents[2].GetEnd(); ++k)
{
array->AddValue(vtkArrayCoordinates(i, j, k), value++);
}
}
}
}
{
double value = 0;
vtkIdType index = 0;
const vtkArrayExtents extents = array->GetExtents();
for(int i = extents[0].GetBegin(); i != extents[0].GetEnd(); ++i)
{
for(int j = extents[1].GetBegin(); j != extents[1].GetEnd(); ++j)
{
for(int k = extents[2].GetBegin(); k != extents[2].GetEnd(); ++k)
{
test_expression(array->GetValue(vtkArrayCoordinates(i, j, k)) == value);
test_expression(array->GetValueN(index) == value);
vtkArrayCoordinates coordinates;
array->GetCoordinatesN(index, coordinates);
test_expression(coordinates[0] == i);
test_expression(coordinates[1] == j);
test_expression(coordinates[2] == k);
++index;
++value;
}
}
}
}
// Verify the number of non-null values
test_expression(array->GetNonNullSize() == 6);
// Verify that deep-copy works correctly ...
array->SetNullValue(1.0);
vtkSmartPointer<vtkSparseArray<double> > deep_copy;
deep_copy.TakeReference(vtkSparseArray<double>::SafeDownCast(array->DeepCopy()));
test_expression(deep_copy->GetDimensions() == array->GetDimensions());
test_expression(deep_copy->GetSize() == array->GetSize());
test_expression(deep_copy->GetNonNullSize() == array->GetNonNullSize());
test_expression(deep_copy->GetExtents() == array->GetExtents());
test_expression(deep_copy->GetNullValue() == array->GetNullValue());
for(vtkArray::SizeT n = 0; n != deep_copy->GetNonNullSize(); ++n)
test_expression(deep_copy->GetValueN(n) == array->GetValueN(n));
// Verify that the Clear() method removes all values from the array ...
array->Clear();
test_expression(array->GetDimensions() == 3);
test_expression(array->GetSize() == 6);
test_expression(array->GetNonNullSize() == 0);
test_expression(array->GetExtents() == vtkArrayExtents(1, 2, 3));
// Verify that we can write data into the array with SetValue() and read it out again ...
array->Resize(vtkArrayExtents(2, 3, 4));
array->SetValue(vtkArrayCoordinates(0, 1, 2), 1.1);
array->SetValue(vtkArrayCoordinates(1, 2, 3), 2.2);
array->SetValue(vtkArrayCoordinates(0, 1, 1), 3.3);
test_expression(array->GetSize() == 24);
test_expression(array->GetNonNullSize() == 3);
test_expression(array->GetValue(vtkArrayCoordinates(0, 1, 2)) == 1.1);
test_expression(array->GetValue(vtkArrayCoordinates(1, 2, 3)) == 2.2);
test_expression(array->GetValue(vtkArrayCoordinates(0, 1, 1)) == 3.3);
return 0;
}
catch(vtkstd::exception& e)
{
cerr << e.what() << endl;
return 1;
}
}
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