StorageTest.cpp

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#include <Eigen/Core>
#include "testing/TestContext.hpp"
#include "testing/Testing.hpp"
#include "time/Storage.hpp"
 
using namespace precice;
using namespace precice::time;
 
BOOST_AUTO_TEST_SUITE(TimeTests)
BOOST_AUTO_TEST_SUITE(StorageTests)
 
// create storage and test for correct initial values.
BOOST_AUTO_TEST_CASE(testInitialize)
{
  PRECICE_TEST(1_rank);
  auto storage = Storage();
  int  nValues = 3;
  BOOST_TEST(storage.nTimes() == 0);
  storage.setSampleAtTime(0, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  BOOST_TEST(storage.nDofs() == nValues);
  BOOST_TEST(storage.nTimes() == 1);
  for (int i = 0; i < nValues; i++) {
    BOOST_TEST(storage.getSampleAtOrAfter(0).values(i) == 1);
    BOOST_TEST(storage.getSampleAtOrAfter(0.5).values(i) == 1);
    BOOST_TEST(storage.getSampleAtOrAfter(1).values(i) == 1);
  }
}
 
// create storage and trim it.
BOOST_AUTO_TEST_CASE(testClear)
{
  PRECICE_TEST(1_rank);
  auto storage = Storage();
  int  nValues = 3;
  BOOST_TEST(storage.nTimes() == 0);
  storage.setSampleAtTime(0, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  BOOST_TEST(storage.nDofs() == nValues);
  BOOST_TEST(storage.nTimes() == 1);
  BOOST_TEST(storage.maxStoredTime() == 0.0);
  storage.setSampleAtTime(1, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  BOOST_TEST(storage.nDofs() == nValues);
  BOOST_TEST(storage.nTimes() == 2);
  BOOST_TEST(storage.maxStoredTime() == 1.0);
  storage.trim();
  BOOST_TEST(storage.nDofs() == nValues);
  BOOST_TEST(storage.nTimes() == 1);
  BOOST_TEST(storage.maxStoredTime() == 0.0);
}
 
// create storage, add some values and then move to next window.
BOOST_AUTO_TEST_CASE(testMove)
{
  PRECICE_TEST(1_rank);
  auto storage = Storage();
  int  nValues = 3;
  BOOST_TEST(storage.nTimes() == 0);
  storage.setSampleAtTime(0, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  BOOST_TEST(storage.nDofs() == nValues);
  BOOST_TEST(storage.nTimes() == 1);
  BOOST_TEST(storage.maxStoredTime() == 0.0);
  storage.setSampleAtTime(0.5, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  BOOST_TEST(storage.nTimes() == 2);
  BOOST_TEST(storage.maxStoredTime() == 0.5);
  storage.setSampleAtTime(1.0, time::Sample{1, Eigen::VectorXd::Zero(nValues)});
  BOOST_TEST(storage.nTimes() == 3);
  BOOST_TEST(storage.maxStoredTime() == 1.0);
  for (int i = 0; i < nValues; i++) {
    BOOST_TEST(storage.getSampleAtOrAfter(0).values(i) == 1);
    BOOST_TEST(storage.getSampleAtOrAfter(0.5).values(i) == 1);
    BOOST_TEST(storage.getSampleAtOrAfter(1).values(i) == 0);
  }
  storage.move();
  BOOST_TEST(storage.nDofs() == nValues);
  BOOST_TEST(storage.nTimes() == 1);
  BOOST_TEST(storage.maxStoredTime() == 1.0);
  for (int i = 0; i < nValues; i++) {
    BOOST_TEST(storage.getSampleAtOrAfter(0).values(i) == 0);
    BOOST_TEST(storage.getSampleAtOrAfter(1).values(i) == 0);
  }
}
 
// get times and values
BOOST_AUTO_TEST_CASE(testGetTimesAndValues)
{
  PRECICE_TEST(1_rank);
  auto storage = Storage();
  int  nValues = 3;
  storage.setSampleAtTime(0, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  storage.setSampleAtTime(0.5, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  storage.setSampleAtTime(1.0, time::Sample{1, Eigen::VectorXd::Zero(nValues)});
  auto times = storage.getTimes();
  BOOST_TEST(times[0] == 0.0);
  BOOST_TEST(times[1] == 0.5);
  BOOST_TEST(times[2] == 1.00);
  auto timesAndValues = storage.getTimesAndValues();
  BOOST_TEST(timesAndValues.first[0] == 0.0);
  BOOST_TEST(timesAndValues.first[1] == 0.5);
  BOOST_TEST(timesAndValues.first[2] == 1.00);
  for (int i = 0; i < nValues; i++) {
    BOOST_TEST(timesAndValues.second.col(0)(i) == 1);
    BOOST_TEST(timesAndValues.second.col(1)(i) == 1);
    BOOST_TEST(timesAndValues.second.col(2)(i) == 0);
  }
}
 
BOOST_AUTO_TEST_SUITE(ExtrapolationTests)
BOOST_AUTO_TEST_CASE(testExtrapolateDataZerothOrder)
{
  PRECICE_TEST(1_rank);
 
  auto      storage = Storage();
  const int nValues = 1;
 
  storage.setSampleAtTime(0.0, time::Sample{1, Eigen::VectorXd::Zero(nValues)});
  auto times = storage.getTimes();
  BOOST_TEST(times[0] == 0.0);
  auto timesAndValues = storage.getTimesAndValues();
  BOOST_TEST(timesAndValues.second.col(0)(0) == 0.0);
 
  storage.setSampleAtTime(1.0, time::Sample{1, Eigen::VectorXd::Ones(nValues)});
  times = storage.getTimes();
  BOOST_TEST(times[0] == 0.0);
  BOOST_TEST(times[1] == 1.0);
  timesAndValues = storage.getTimesAndValues();
  BOOST_TEST(timesAndValues.second.col(0)(0) == 0.0);
  BOOST_TEST(timesAndValues.second.col(1)(0) == 1.0);
 
  storage.move();
 
  times = storage.getTimes();
  BOOST_TEST(times[0] == 1.0);
  timesAndValues = storage.getTimesAndValues();
  BOOST_TEST(timesAndValues.second.col(0)(0) == 1.0);
 
  // make sure that subcycling is ignored for extrapolation
  storage.trim();
  storage.setSampleAtTime(1.5, time::Sample{1, 2 * Eigen::VectorXd::Ones(nValues)});
  storage.setSampleAtTime(2.0, time::Sample{1, 3 * Eigen::VectorXd::Ones(nValues)});
 
  times = storage.getTimes();
  BOOST_TEST(times[0] == 1.0);
  BOOST_TEST(times[1] == 1.5);
  BOOST_TEST(times[2] == 2.0);
 
  storage.move();
 
  times = storage.getTimes();
  BOOST_TEST(times[0] == 2.0);
  timesAndValues = storage.getTimesAndValues();
  BOOST_TEST(timesAndValues.second.col(0)(0) == 3.0);
}
 
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()