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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#include <vtkArrayData.h>
#include <vtkArrayReader.h>
#include <vtkArrayWriter.h>
#include <vtkDenseArray.h>
#include <vtkNew.h>
#include <vtkSmartPointer.h>
#include <vtkSparseArray.h>
#include <iostream>
#include <sstream>
#include <stdexcept>
#define test_expression(expression) \
do \
{ \
if (!(expression)) \
{ \
std::ostringstream buffer; \
buffer << "Expression failed at line " << __LINE__ << ": " << #expression; \
throw std::runtime_error(buffer.str()); \
} \
} while (false)
int TestArraySerialization(int vtkNotUsed(argc), char* vtkNotUsed(argv)[])
{
try
{
// Test Read and Write in Ascii text mode
// Test sparse-array round-trip ...
vtkSmartPointer<vtkSparseArray<double>> a1 = vtkSmartPointer<vtkSparseArray<double>>::New();
a1->SetName("a1");
a1->Resize(2, 2);
a1->SetDimensionLabel(0, "rows");
a1->SetDimensionLabel(1, "columns");
a1->SetNullValue(0.5);
a1->AddValue(0, 0, 1.5);
a1->AddValue(1, 1, 2.5);
std::stringstream a_buffer;
vtkArrayWriter::Write(a1, a_buffer);
vtkSmartPointer<vtkArray> a2;
a2.TakeReference(vtkArrayReader::Read(a_buffer));
test_expression(a2);
test_expression(a2->GetName() == "a1");
test_expression(vtkSparseArray<double>::SafeDownCast(a2));
test_expression(a2->GetExtents() == a1->GetExtents());
test_expression(a2->GetNonNullSize() == a1->GetNonNullSize());
test_expression(a2->GetDimensionLabel(0) == "rows");
test_expression(a2->GetDimensionLabel(1) == "columns");
test_expression(vtkSparseArray<double>::SafeDownCast(a2)->GetNullValue() == 0.5);
test_expression(a2->GetVariantValue(0, 0).ToDouble() == 1.5);
test_expression(a2->GetVariantValue(0, 1).ToDouble() == 0.5);
test_expression(a2->GetVariantValue(1, 1).ToDouble() == 2.5);
// Test sparse-array coordinates out-of-bounds ...
std::istringstream b_buffer(
"vtk-sparse-array double\nascii\nb1\n0 2 0 2 1\nrows\ncolumns\n0\n2 2 3.5\n");
vtkSmartPointer<vtkArray> b1;
b1.TakeReference(vtkArrayReader::Read(b_buffer));
test_expression(!b1);
// Test sparse-array not enough values ...
std::istringstream d_buffer(
"vtk-sparse-array double\nascii\nd1\n0 2 0 2 1\nrows\ncolumns\n0\n");
vtkSmartPointer<vtkArray> d1;
d1.TakeReference(vtkArrayReader::Read(d_buffer));
test_expression(!d1);
// Test dense string arrays containing whitespace ...
std::istringstream e_buffer(
"vtk-dense-array string\nascii\ne1\n0 3 3\nvalues\nThe\nquick brown\nfox\n");
vtkSmartPointer<vtkArray> e1;
e1.TakeReference(vtkArrayReader::Read(e_buffer));
test_expression(e1);
test_expression(vtkDenseArray<vtkStdString>::SafeDownCast(e1));
test_expression(e1->GetNonNullSize() == 3);
test_expression(e1->GetVariantValue(0).ToString() == "The");
test_expression(e1->GetVariantValue(1).ToString() == "quick brown");
test_expression(e1->GetVariantValue(2).ToString() == "fox");
// Test sparse string arrays containing whitespace ...
std::istringstream f_buffer("vtk-sparse-array string\nascii\nf1\n0 3 3\nvalues\nempty value\n0 "
"The\n1 quick brown\n2 fox\n");
vtkSmartPointer<vtkArray> f1;
f1.TakeReference(vtkArrayReader::Read(f_buffer));
test_expression(f1);
test_expression(vtkSparseArray<vtkStdString>::SafeDownCast(f1));
test_expression(f1->GetNonNullSize() == 3);
test_expression(
vtkSparseArray<vtkStdString>::SafeDownCast(f1)->GetNullValue() == "empty value");
test_expression(f1->GetVariantValue(0).ToString() == "The");
test_expression(f1->GetVariantValue(1).ToString() == "quick brown");
test_expression(f1->GetVariantValue(2).ToString() == "fox");
// Test sparse arrays with DOS line endings ...
std::istringstream i_buffer(
"vtk-sparse-array double\r\nascii\r\ni1\r\n0 2 0 2 1\r\nrows\r\ncolumns\r\n0\r\n0 0 5\r\n");
vtkSmartPointer<vtkArray> i1;
i1.TakeReference(vtkArrayReader::Read(i_buffer));
test_expression(i1);
test_expression(vtkSparseArray<double>::SafeDownCast(i1));
test_expression(i1->GetNonNullSize() == 1);
test_expression(i1->GetVariantValue(0, 0).ToDouble() == 5);
test_expression(i1->GetVariantValue(1, 0).ToDouble() == 0);
// Test writing to string and reading back ...
vtkNew<vtkSparseArray<vtkStdString>> j1;
j1->Resize(3);
j1->SetNullValue("nothing here");
j1->SetValue(0, "The");
j1->SetValue(1, "quick brown");
j1->SetValue(2, "fox");
vtkNew<vtkArrayData> j1d;
j1d->AddArray(j1);
vtkNew<vtkArrayWriter> jw;
jw->WriteToOutputStringOn();
jw->SetInputData(j1d);
jw->Write();
std::string js = jw->GetOutputString();
vtkNew<vtkArrayReader> jr;
jr->ReadFromInputStringOn();
jr->SetInputString(js);
jr->Update();
vtkArray* j2 = jr->GetOutput()->GetArray(0);
test_expression(j2);
test_expression(vtkSparseArray<vtkStdString>::SafeDownCast(j2));
test_expression(j2->GetNonNullSize() == 3);
test_expression(
vtkSparseArray<vtkStdString>::SafeDownCast(j2)->GetNullValue() == "nothing here");
test_expression(j2->GetVariantValue(0).ToString() == "The");
test_expression(j2->GetVariantValue(1).ToString() == "quick brown");
test_expression(j2->GetVariantValue(2).ToString() == "fox");
// Test Read and Write in Binary mode
// Test sparse-array round-trip ...
vtkSmartPointer<vtkSparseArray<double>> ba1 = vtkSmartPointer<vtkSparseArray<double>>::New();
ba1->SetName("ba1");
ba1->Resize(2, 2);
ba1->SetNullValue(0.5);
ba1->AddValue(0, 0, 1.5);
ba1->AddValue(1, 1, 2.5);
std::stringstream ba_buffer;
vtkArrayWriter::Write(ba1, ba_buffer, true);
vtkSmartPointer<vtkArray> ba2;
ba2.TakeReference(vtkArrayReader::Read(ba_buffer));
test_expression(ba2);
test_expression(ba2->GetName() == "ba1");
test_expression(vtkSparseArray<double>::SafeDownCast(ba2));
test_expression(ba2->GetExtents() == ba1->GetExtents());
test_expression(ba2->GetNonNullSize() == ba1->GetNonNullSize());
test_expression(vtkSparseArray<double>::SafeDownCast(ba2)->GetNullValue() == 0.5);
test_expression(ba2->GetVariantValue(0, 0).ToDouble() == 1.5);
test_expression(ba2->GetVariantValue(0, 1).ToDouble() == 0.5);
test_expression(ba2->GetVariantValue(1, 1).ToDouble() == 2.5);
// Test dense string arrays containing whitespace ...
vtkSmartPointer<vtkDenseArray<vtkStdString>> bb1 =
vtkSmartPointer<vtkDenseArray<vtkStdString>>::New();
bb1->SetName("bb1");
bb1->Resize(3);
bb1->SetValue(0, "The");
bb1->SetValue(1, "quick brown");
bb1->SetValue(2, "fox");
std::stringstream bb_buffer;
vtkArrayWriter::Write(bb1, bb_buffer, true);
vtkSmartPointer<vtkArray> bb2;
bb2.TakeReference(vtkArrayReader::Read(bb_buffer));
test_expression(bb2);
test_expression(bb2->GetName() == "bb1");
test_expression(vtkDenseArray<vtkStdString>::SafeDownCast(bb2));
test_expression(bb2->GetNonNullSize() == 3);
test_expression(bb2->GetVariantValue(0).ToString() == "The");
test_expression(bb2->GetVariantValue(1).ToString() == "quick brown");
test_expression(bb2->GetVariantValue(2).ToString() == "fox");
// Test sparse string arrays containing whitespace ...
vtkSmartPointer<vtkSparseArray<vtkStdString>> bc1 =
vtkSmartPointer<vtkSparseArray<vtkStdString>>::New();
bc1->Resize(3);
bc1->SetNullValue("empty space");
bc1->SetValue(0, "The");
bc1->SetValue(1, "quick brown");
bc1->SetValue(2, "fox");
std::stringstream bc_buffer;
vtkArrayWriter::Write(bc1, bc_buffer, true);
vtkSmartPointer<vtkArray> bc2;
bc2.TakeReference(vtkArrayReader::Read(bc_buffer));
test_expression(bc2);
test_expression(vtkSparseArray<vtkStdString>::SafeDownCast(bc2));
test_expression(bc2->GetNonNullSize() == 3);
test_expression(
vtkSparseArray<vtkStdString>::SafeDownCast(bc2)->GetNullValue() == "empty space");
test_expression(bc2->GetVariantValue(0).ToString() == "The");
test_expression(bc2->GetVariantValue(1).ToString() == "quick brown");
test_expression(bc2->GetVariantValue(2).ToString() == "fox");
return 0;
}
catch (std::exception& e)
{
cerr << e.what() << endl;
return 1;
}
}
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