Revision 0fae885b11672161fb5f3a5bc8e8569ad97c8e98 authored by Lars Bilke on 14 June 2024, 11:21:40 UTC, committed by Lars Bilke on 14 June 2024, 11:21:40 UTC
1 parent ff3909e
TestTestTools.cpp
/**
* \file
* \copyright
* Copyright (c) 2012-2024, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*/
#include <gtest/gtest.h>
#include "TestTools.h"
TEST(UnitTestUtilsGTestPredicateEigen, PredicateSucceeds)
{
Tests::EigenIsNear const pred{};
Eigen::Matrix2d const A = Eigen::Matrix2d::Random();
EXPECT_PRED_FORMAT2(pred, A, A);
// same test with custom error tolerance
EXPECT_PRED_FORMAT3(pred, A, A, std::numeric_limits<double>::epsilon());
EXPECT_PRED_FORMAT3(pred, A, A + Eigen::Matrix2d::Constant(0.1), 0.11);
}
TEST(UnitTestUtilsGTestPredicateEigen, PredicateFailsDueToDifferentValues)
{
Tests::EigenIsNear const pred{};
Eigen::Matrix3d const A = Eigen::Matrix3d::Random();
// test with custom error tolerance
Eigen::Matrix3d const B = A + Eigen::Matrix3d::Constant(1);
EXPECT_FALSE(pred("A", "B", "epsilon", A, B, 0.5))
<< "Predicate is wrong, because B differs more than 0.5 from A";
// test with the default error tolerance
Eigen::Matrix3d const C =
A +
Eigen::Matrix3d::Constant(2 * std::numeric_limits<double>::epsilon());
EXPECT_FALSE(pred("A", "C", A, C))
<< "Predicate is wrong, because C differs more than the default "
"tolerance from A";
// only perturb a single matrix entry
Eigen::Matrix3d D = A;
D(2, 2) += 0.6;
EXPECT_FALSE(pred("A", "D", "epsilon", A, D, 0.5))
<< "Predicate is wrong, because D differs more than 0.5 from A";
}
TEST(UnitTestUtilsGTestPredicateEigen, PredicateFailsDueToDifferentDimensions)
{
Tests::EigenIsNear const pred{};
Eigen::MatrixXd const A = Eigen::MatrixXd::Random(3, 1);
Eigen::Vector2d const b = Eigen::Vector2d::Random();
EXPECT_FALSE(pred("A", "b", A, b))
<< "A's and b's dimensions do not match.";
// same test with custom error tolerance (which does not matter)
EXPECT_FALSE(pred("A", "b", "eps", A, b, 0.5))
<< "A's and b's dimensions do not match.";
}
TEST(UnitTestUtilsGTestPredicateEigen, PredicateFailsDueToNaNValues)
{
constexpr double NaN = std::numeric_limits<double>::quiet_NaN();
Tests::EigenIsNear const pred{};
Eigen::MatrixXd const A = Eigen::MatrixXd::Random(3, 3);
Eigen::MatrixXd B = A;
B(1, 2) = NaN;
EXPECT_FALSE(pred("A", "B", A, B));
// same test with custom error tolerance (which does not matter)
EXPECT_FALSE(pred("A", "B", "eps", A, B, 0.5));
// same with reversed argument order
EXPECT_FALSE(pred("B", "A", B, A));
EXPECT_FALSE(pred("B", "A", "eps", B, A, 0.5));
// fails, because B contains NaN values
EXPECT_FALSE(pred("B", "B", B, B));
EXPECT_FALSE(pred("B", "B", "eps", B, B, 0.5));
// fails, because the tolerance is NaN
EXPECT_FALSE(pred("A", "A", "eps", A, A, NaN));
}
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