openfoam/applications/test/HashPtrTable/Test-hashPtrTable.C
Mark Olesen 2b9b2dd865 BUG: HashPtrTable has problems with null pointers (issue #395)
- print and copy operations should not be allowed to dereference a
  nullptr.
2017-01-26 18:00:33 +01:00

87 lines
2.3 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\/ M anipulation | Copyright (C) 2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Description
\*---------------------------------------------------------------------------*/
#include <iostream>
#include "HashPtrTable.H"
using namespace Foam;
template<class T>
void printTable(const HashPtrTable<T>& table)
{
Info<< table.size() << nl << "(" << nl;
for
(
typename HashPtrTable<T>::const_iterator iter = table.cbegin();
iter != table.cend();
++iter
)
{
const T* ptr = *iter;
Info<< iter.key() << " = ";
if (ptr)
{
Info<< *ptr;
}
else
{
Info<< "nullptr";
}
Info<< nl;
}
Info<< ")" << endl;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main()
{
HashPtrTable<double> myTable;
myTable.insert("abc", new double(42.1));
myTable.insert("def", nullptr);
myTable.insert("ghi", new double(3.14159));
// Info<< myTable << endl;
printTable(myTable);
HashPtrTable<double> copy(myTable);
// Info<< copy << endl;
printTable(copy);
Info<< copy << endl;
return 0;
}
// ************************************************************************* //