gtsam/cpp/testSymbolicFactorGraph.cpp

94 lines
2.5 KiB
C++

/**
* @file testSymbolicFactorGraph.cpp
* @brief Unit tests for a symbolic Factor Graph
* @author Frank Dellaert
*/
#include <boost/assign/std/list.hpp> // for operator +=
using namespace boost::assign;
#include <CppUnitLite/TestHarness.h>
#define GTSAM_MAGIC_KEY
#include "Ordering.h"
#include "SymbolicFactorGraph.h"
#include "SymbolicBayesNet.h"
#include "FactorGraph-inl.h"
using namespace std;
using namespace gtsam;
/* ************************************************************************* */
TEST( SymbolicFactorGraph, eliminate2 )
{
// create a test graph
SymbolicFactorGraph fg;
fg.push_factor("x1", "x2");
fg.eliminateOne("x1");
SymbolicFactorGraph expected;
expected.push_back(boost::shared_ptr<SymbolicFactor>());
expected.push_factor("x2");
CHECK(assert_equal(expected, fg));
}
/* ************************************************************************* */
TEST( SymbolicFactorGraph, constructFromBayesNet )
{
// create expected factor graph
SymbolicFactorGraph expected;
expected.push_factor("l1","x1","x2");
expected.push_factor("x1","l1");
expected.push_factor("x1");
// create Bayes Net
SymbolicConditional::shared_ptr x2(new SymbolicConditional("x2", "l1", "x1"));
SymbolicConditional::shared_ptr l1(new SymbolicConditional("l1", "x1"));
SymbolicConditional::shared_ptr x1(new SymbolicConditional("x1"));
SymbolicBayesNet bayesNet;
bayesNet.push_back(x2);
bayesNet.push_back(l1);
bayesNet.push_back(x1);
// create actual factor graph from a Bayes Net
FactorGraph<SymbolicFactor> actual(bayesNet);
CHECK(assert_equal((FactorGraph<SymbolicFactor>)expected,actual));
}
/* ************************************************************************* */
TEST( SymbolicFactorGraph, push_back )
{
// Create two factor graphs and expected combined graph
SymbolicFactorGraph fg1, fg2, expected;
fg1.push_factor("x1");
fg1.push_factor("x1","x2");
fg2.push_factor("l1","x1");
fg2.push_factor("l1","x2");
expected.push_factor("x1");
expected.push_factor("x1","x2");
expected.push_factor("l1","x1");
expected.push_factor("l1","x2");
// combine
SymbolicFactorGraph actual = combine(fg1,fg2);
CHECK(assert_equal(expected, actual));
// combine using push_back
fg1.push_back(fg2);
CHECK(assert_equal(expected, fg1));
}
/* ************************************************************************* */
int main() {
TestResult tr;
return TestRegistry::runAllTests(tr);
}
/* ************************************************************************* */