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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: TestStringToNumeric.cxx,v $
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.
=========================================================================*/
/*----------------------------------------------------------------------------
Copyright (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#include "vtkDelimitedTextReader.h"
#include "vtkDoubleArray.h"
#include "vtkIntArray.h"
#include "vtkStringArray.h"
#include "vtkStringToNumeric.h"
#include "vtkTable.h"
#include "vtkTestUtilities.h"
#include "vtkSmartPointer.h"
#define VTK_CREATE(type,name) \
vtkSmartPointer<type> name = vtkSmartPointer<type>::New()
int TestStringToNumeric(int argc, char* argv[])
{
char* file = vtkTestUtilities::ExpandDataFileName(argc, argv,
"Data/authors.csv");
VTK_CREATE(vtkDelimitedTextReader, reader);
reader->SetFileName(file);
reader->SetHaveHeaders(true);
delete [] file;
VTK_CREATE(vtkStringToNumeric, numeric);
numeric->SetInputConnection(reader->GetOutputPort());
numeric->Update();
vtkTable* table = vtkTable::SafeDownCast(numeric->GetOutput());
cerr << "Testing array types..." << endl;
int errors = 0;
if (!vtkStringArray::SafeDownCast(table->GetColumnByName("Author")))
{
cerr << "ERROR: Author array missing" << endl;
++errors;
}
if (!vtkStringArray::SafeDownCast(table->GetColumnByName("Affiliation")))
{
cerr << "ERROR: Affiliation array missing" << endl;
++errors;
}
if (!vtkStringArray::SafeDownCast(table->GetColumnByName("Alma Mater")))
{
cerr << "ERROR: Alma Mater array missing" << endl;
++errors;
}
if (!vtkStringArray::SafeDownCast(table->GetColumnByName("Categories")))
{
cerr << "ERROR: Categories array missing" << endl;
++errors;
}
if (!vtkIntArray::SafeDownCast(table->GetColumnByName("Age")))
{
cerr << "ERROR: Age array missing or not converted to int" << endl;
++errors;
}
else
{
vtkIntArray* age = vtkIntArray::SafeDownCast(table->GetColumnByName("Age"));
int sum = 0;
for (vtkIdType i = 0; i < age->GetNumberOfTuples(); i++)
{
sum += age->GetValue(i);
}
if (sum != 181)
{
cerr << "ERROR: Age sum is incorrect" << endl;
++errors;
}
}
if (!vtkDoubleArray::SafeDownCast(table->GetColumnByName("Coolness")))
{
cerr << "ERROR: Coolness array missing or not converted to double" << endl;
++errors;
}
else
{
vtkDoubleArray* cool = vtkDoubleArray::SafeDownCast(table->GetColumnByName("Coolness"));
double sum = 0;
for (vtkIdType i = 0; i < cool->GetNumberOfTuples(); i++)
{
sum += cool->GetValue(i);
}
double eps = 10e-8;
double diff = (2.35 > sum) ? (2.35 - sum) : (sum - 2.35);
if (diff > eps)
{
cerr << "ERROR: Coolness sum is incorrect" << endl;
++errors;
}
}
cerr << "...done testing" << endl;
cerr << errors << " errors found." << endl;
return errors;
}
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