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// Copyright (C) 2011 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Unit tests for the parameter library
#include <dolfin.h>
#include <catch.hpp>
using namespace dolfin;
TEST_CASE("parameters io", "[test_parameter_io]" )
{
SECTION("flat parameters" )
{
if (dolfin::MPI::size(MPI_COMM_WORLD) > 1)
return;
// Create some parameters
Parameters p0("test");
p0.add("filename", "foo.txt");
p0.add("maxiter", 100);
p0.add("tolerance", 0.001);
p0.add("monitor_convergence", true);
// Save to file
File f0("test_parameters.xml");
f0 << p0;
// Read from file
Parameters p1;
File f1("test_parameters.xml");
f1 >> p1;
// Get parameter values
std::string filename(p1["filename"]);
std::size_t maxiter(p1["maxiter"]);
double tolerance(p1["tolerance"]);
bool monitor_convergence(p1["monitor_convergence"]);
// Check values
CHECK(filename == "foo.txt");
CHECK(maxiter == (std::size_t) 100);
CHECK(tolerance == Approx(0.001));
CHECK(monitor_convergence);
}
SECTION("nested parameters" )
{
if (dolfin::MPI::size(MPI_COMM_WORLD) > 1)
return;
// Create some nested parameters
Parameters p0("test");
Parameters p00("sub0");
p00.add("filename", "foo.txt");
p00.add("maxiter", 100);
p00.add("tolerance", 0.001);
p00.add("monitor_convergence", true);
p0.add("foo", "bar");
Parameters p01(p00);
p01.rename("sub1");
p0.add(p00);
p0.add(p01);
// Save to file
File f0("test_parameters.xml");
f0 << p0;
// Read from file
Parameters p1;
File f1("test_parameters.xml");
f1 >> p1;
// Get parameter values
std::string foo(p1["foo"]);
std::string filename(p1("sub0")["filename"]);
std::size_t maxiter(p1("sub0")["maxiter"]);
double tolerance(p1("sub0")["tolerance"]);
bool monitor_convergence(p1("sub0")["monitor_convergence"]);
// Check values
CHECK(foo == "bar");
CHECK(filename == "foo.txt");
CHECK(maxiter == (std::size_t) 100);
CHECK(tolerance == Approx(0.001));
CHECK(monitor_convergence);
}
}
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