/* ----------------------------------------------------------------------------

 * GTSAM Copyright 2010, Georgia Tech Research Corporation,
 * Atlanta, Georgia 30332-0415
 * All Rights Reserved
 * Authors: Frank Dellaert, et al. (see THANKS for the full author list)

 * See LICENSE for the license information

 * -------------------------------------------------------------------------- */

/**
 * @file   testSimulated3D.cpp
 * @brief  Unit tests for simulated 3D measurement functions
 * @author Alex Cunningham
 **/

#include <tests/simulated3D.h>
#include <gtsam/inference/Symbol.h>
#include <gtsam/geometry/Pose3.h>
#include <gtsam/base/Testable.h>
#include <gtsam/base/numericalDerivative.h>

#include <CppUnitLite/TestHarness.h>

#include <iostream>

using namespace std::placeholders;
using namespace gtsam;

// Convenience for named keys
using symbol_shorthand::X;
using symbol_shorthand::L;

/* ************************************************************************* */
TEST( simulated3D, Values )
{
  Values actual;
  actual.insert(L(1),Point3(1,1,1));
  actual.insert(X(2),Point3(2,2,2));
  EXPECT(assert_equal(actual,actual,1e-9));
}

/* ************************************************************************* */
TEST( simulated3D, Dprior )
{
  Point3 x(1,-9, 7);
  Matrix numerical = numericalDerivative11<Point3, Point3>(std::bind(simulated3D::prior, std::placeholders::_1, nullptr),x);
  Matrix computed;
  simulated3D::prior(x,computed);
  EXPECT(assert_equal(numerical,computed,1e-9));
}

/* ************************************************************************* */
TEST( simulated3D, DOdo )
{
  Point3 x1(1, -9, 7), x2(-5, 6, 7);
  Matrix H1, H2;
  simulated3D::odo(x1, x2, H1, H2);
  Matrix A1 = numericalDerivative21<Point3, Point3, Point3>(
      std::bind(simulated3D::odo, std::placeholders::_1, std::placeholders::_2,
                nullptr, nullptr),
      x1, x2);
  EXPECT(assert_equal(A1, H1, 1e-9));
  Matrix A2 = numericalDerivative22<Point3, Point3, Point3>(
      std::bind(simulated3D::odo, std::placeholders::_1, std::placeholders::_2,
                nullptr, nullptr),
      x1, x2);
  EXPECT(assert_equal(A2, H2, 1e-9));
}


/* ************************************************************************* */
int main() { TestResult tr; return TestRegistry::runAllTests(tr);}
/* ************************************************************************* */