gtsam/cpp/testSymbolicBayesNet.cpp

97 lines
2.2 KiB
C++

/**
* @file testSymbolicBayesNet.cpp
* @brief Unit tests for a symbolic Bayes chain
* @author Frank Dellaert
*/
#include <boost/assign/list_inserter.hpp> // for 'insert()'
#include <boost/assign/std/list.hpp> // for operator +=
using namespace boost::assign;
#include <CppUnitLite/TestHarness.h>
#define GTSAM_MAGIC_KEY
#include "Ordering.h"
#include "SymbolicBayesNet.h"
#include "SymbolicFactorGraph.h"
using namespace std;
using namespace gtsam;
Symbol _B_('B', 0), _L_('L', 0);
SymbolicConditional::shared_ptr
B(new SymbolicConditional(_B_)),
L(new SymbolicConditional(_L_, _B_));
/* ************************************************************************* */
TEST( SymbolicBayesNet, equals )
{
SymbolicBayesNet f1;
f1.push_back(B);
f1.push_back(L);
SymbolicBayesNet f2;
f2.push_back(L);
f2.push_back(B);
CHECK(f1.equals(f1));
CHECK(!f1.equals(f2));
}
/* ************************************************************************* */
TEST( SymbolicBayesNet, pop_front )
{
SymbolicConditional::shared_ptr
A(new SymbolicConditional("A","B","C")),
B(new SymbolicConditional("B","C")),
C(new SymbolicConditional("C"));
// Expected after pop_front
SymbolicBayesNet expected;
expected.push_back(B);
expected.push_back(C);
// Actual
SymbolicBayesNet actual;
actual.push_back(A);
actual.push_back(B);
actual.push_back(C);
actual.pop_front();
CHECK(assert_equal(expected,actual));
}
/* ************************************************************************* */
TEST( SymbolicBayesNet, combine )
{
SymbolicConditional::shared_ptr
A(new SymbolicConditional("A","B","C")),
B(new SymbolicConditional("B","C")),
C(new SymbolicConditional("C"));
// p(A|BC)
SymbolicBayesNet p_ABC;
p_ABC.push_back(A);
// P(BC)=P(B|C)P(C)
SymbolicBayesNet p_BC;
p_BC.push_back(B);
p_BC.push_back(C);
// P(ABC) = P(A|BC) P(BC)
p_ABC.push_back(p_BC);
SymbolicBayesNet expected;
expected.push_back(A);
expected.push_back(B);
expected.push_back(C);
CHECK(assert_equal(expected,p_ABC));
}
/* ************************************************************************* */
int main() {
TestResult tr;
return TestRegistry::runAllTests(tr);
}
/* ************************************************************************* */