GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: unittest/test_cop_support.cpp Lines: 90 93 96.8 %
Date: 2024-02-13 11:12:33 Branches: 266 526 50.6 %

Line Branch Exec Source
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///////////////////////////////////////////////////////////////////////////////
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// BSD 3-Clause License
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//
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// Copyright (C) 2021, University of Edinburgh, University of Oxford
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// Copyright note valid unless otherwise stated in individual files.
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// All rights reserved.
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///////////////////////////////////////////////////////////////////////////////
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#define BOOST_TEST_NO_MAIN
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#define BOOST_TEST_ALTERNATIVE_INIT_API
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#include <pinocchio/math/quaternion.hpp>
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#include "crocoddyl/core/activations/quadratic-barrier.hpp"
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#include "crocoddyl/multibody/cop-support.hpp"
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#include "unittest_common.hpp"
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using namespace boost::unit_test;
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using namespace crocoddyl::unittest;
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void test_constructor() {
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  // Common parameters
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  Eigen::Vector2d box = Eigen::Vector2d(random_real_in_range(0.01, 0.1),
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                                        random_real_in_range(0.01, 0.1));
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  // No rotation
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  Eigen::Matrix3d R = Eigen::Matrix3d::Identity();
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  // Create the CoP support support
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  crocoddyl::CoPSupport support(R, box);
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  BOOST_CHECK(support.get_R().isApprox(R));
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  BOOST_CHECK(support.get_box().isApprox(box));
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  BOOST_CHECK(static_cast<std::size_t>(support.get_A().rows()) == 4);
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  BOOST_CHECK(static_cast<std::size_t>(support.get_lb().size()) == 4);
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  BOOST_CHECK(static_cast<std::size_t>(support.get_ub().size()) == 4);
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  // With rotation
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  Eigen::Quaterniond q;
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  pinocchio::quaternion::uniformRandom(q);
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  R = q.toRotationMatrix();
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  // Create the wrench support
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  support = crocoddyl::CoPSupport(R, box);
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  BOOST_CHECK(support.get_R().isApprox(R));
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  BOOST_CHECK(support.get_box().isApprox(box));
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  BOOST_CHECK(static_cast<std::size_t>(support.get_A().rows()) == 4);
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  BOOST_CHECK(static_cast<std::size_t>(support.get_lb().size()) == 4);
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  BOOST_CHECK(static_cast<std::size_t>(support.get_ub().size()) == 4);
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  // Create the wrench support from a reference
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  {
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    crocoddyl::CoPSupport support_from_reference(support);
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    BOOST_CHECK(support.get_R().isApprox(support_from_reference.get_R()));
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    BOOST_CHECK(support.get_box().isApprox(support_from_reference.get_box()));
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    BOOST_CHECK(support.get_A().isApprox(support_from_reference.get_A()));
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    for (std::size_t i = 0;
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         i < static_cast<std::size_t>(support.get_ub().size()); ++i) {
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      BOOST_CHECK(support.get_ub()[i] == support_from_reference.get_ub()[i]);
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      BOOST_CHECK(support.get_lb()[i] == support_from_reference.get_lb()[i]);
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    }
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  }
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  // Create the wrench support through the copy operator
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  {
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    crocoddyl::CoPSupport support_from_copy;
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    support_from_copy = support;
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    BOOST_CHECK(support.get_R().isApprox(support_from_copy.get_R()));
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    BOOST_CHECK(support.get_box().isApprox(support_from_copy.get_box()));
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    BOOST_CHECK(support.get_A().isApprox(support_from_copy.get_A()));
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    for (std::size_t i = 0;
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         i < static_cast<std::size_t>(support.get_ub().size()); ++i) {
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      BOOST_CHECK(support.get_ub()[i] == support_from_copy.get_ub()[i]);
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      BOOST_CHECK(support.get_lb()[i] == support_from_copy.get_lb()[i]);
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    }
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  }
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}
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void test_A_matrix_with_rotation_change() {
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  // Common parameters
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  Eigen::Vector2d box = Eigen::Vector2d(random_real_in_range(0.01, 0.1),
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                                        random_real_in_range(0.01, 0.1));
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  // No rotation
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  Eigen::Matrix3d R = Eigen::Matrix3d::Identity();
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  crocoddyl::CoPSupport support_1(R, box);
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  // With rotation
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  Eigen::Quaterniond q;
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  pinocchio::quaternion::uniformRandom(q);
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  R = q.toRotationMatrix();
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  crocoddyl::CoPSupport support_2(R, box);
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  for (std::size_t i = 0; i < 4; ++i) {
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    BOOST_CHECK((support_1.get_A().row(i).head(3) -
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                 support_2.get_A().row(i).head(3) * R)
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                    .isZero(1e-9));
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  }
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}
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void test_cop_within_the_support_region() {
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  // Create the CoP support with a random orientation
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  Eigen::Quaterniond q;
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  pinocchio::quaternion::uniformRandom(q);
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  Eigen::Matrix3d R = q.toRotationMatrix();
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  Eigen::Vector2d box = Eigen::Vector2d(random_real_in_range(0.01, 0.1),
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                                        random_real_in_range(0.01, 0.1));
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  crocoddyl::CoPSupport support(R, box);
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  // Create the activation for quadratic barrier
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  crocoddyl::ActivationBounds bounds(support.get_lb(), support.get_ub());
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  crocoddyl::ActivationModelQuadraticBarrier activation(bounds);
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  boost::shared_ptr<crocoddyl::ActivationDataAbstract> data =
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      activation.createData();
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  // Compute the activation value with a force along the contact normal
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  Eigen::VectorXd wrench(6);
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  wrench.setZero();
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  wrench.head(3) = random_real_in_range(0., 100.) * R.col(2);
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  Eigen::VectorXd r = support.get_A() * wrench;
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  activation.calc(data, r);
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  BOOST_CHECK(data->a_value == 0.);
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  // Create the CoP support with no rotation
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  R = Eigen::Matrix3d::Identity();
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  support = crocoddyl::CoPSupport(R, box);
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  // Compute the activation value with a small enough torque in X
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  wrench.setZero();
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  wrench(5) = random_real_in_range(0., 100.);
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  wrench(0) = (box(0) - 1e-9) * wrench(5) / 2.;
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  r = support.get_A() * wrench;
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  activation.calc(data, r);
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  BOOST_CHECK(data->a_value == 0.);
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  // Compute the activation value with a small enough torque in Y
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  wrench.setZero();
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  wrench(5) = random_real_in_range(0., 100.);
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  wrench(1) = (box(1) - 1e-9) * wrench(5) / 2.;
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  r = support.get_A() * wrench;
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  activation.calc(data, r);
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  BOOST_CHECK(data->a_value == 0.);
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}
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void register_unit_tests() {
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  framework::master_test_suite().add(
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      BOOST_TEST_CASE(boost::bind(&test_constructor)));
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  framework::master_test_suite().add(
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      BOOST_TEST_CASE(boost::bind(&test_A_matrix_with_rotation_change)));
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  framework::master_test_suite().add(
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      BOOST_TEST_CASE(boost::bind(&test_cop_within_the_support_region)));
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}
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bool init_function() {
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  register_unit_tests();
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  return true;
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}
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int main(int argc, char* argv[]) {
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  return ::boost::unit_test::unit_test_main(&init_function, argc, argv);
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}