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#include "Base/Vector/RotMatrix.h"
#include "Sample/Scattering/Rotations.h"
#include "Tests/GTestWrapper/google_test.h"
#include <memory>
TEST(Rotation, XRotations)
{
double angle = 1.0;
RotationX rot(angle);
auto rot_matrix = rot.rotMatrix();
auto P_rot = std::unique_ptr<IRotation>(IRotation::createRotation(rot_matrix));
auto* p_rot_cast = dynamic_cast<RotationX*>(P_rot.get());
ASSERT_NE(p_rot_cast, nullptr);
EXPECT_DOUBLE_EQ(p_rot_cast->angle(), angle);
}
TEST(Rotation, YRotations)
{
double angle = 1.0;
RotationY rot(angle);
auto rot_matrix = rot.rotMatrix();
auto P_rot = std::unique_ptr<IRotation>(IRotation::createRotation(rot_matrix));
auto* p_rot_cast = dynamic_cast<RotationY*>(P_rot.get());
ASSERT_NE(p_rot_cast, nullptr);
EXPECT_DOUBLE_EQ(p_rot_cast->angle(), angle);
}
TEST(Rotation, ZRotations)
{
double angle = 1.0;
RotationZ rot(angle);
auto rot_matrix = rot.rotMatrix();
auto P_rot = std::unique_ptr<IRotation>(IRotation::createRotation(rot_matrix));
auto* p_rot_cast = dynamic_cast<RotationZ*>(P_rot.get());
ASSERT_NE(p_rot_cast, nullptr);
EXPECT_DOUBLE_EQ(p_rot_cast->angle(), angle);
}
TEST(Rotation, EulerRotations)
{
const double epsilon = 1e-12;
double alpha = 1.0;
double beta = 0.2;
double gamma = -0.5;
RotationEuler rot(alpha, beta, gamma);
auto rot_matrix = rot.rotMatrix();
auto P_rot = std::unique_ptr<IRotation>(IRotation::createRotation(rot_matrix));
auto* p_rot_cast = dynamic_cast<RotationEuler*>(P_rot.get());
ASSERT_NE(p_rot_cast, nullptr);
EXPECT_NEAR(p_rot_cast->alpha(), alpha, epsilon);
EXPECT_NEAR(p_rot_cast->beta(), beta, epsilon);
EXPECT_NEAR(p_rot_cast->gamma(), gamma, epsilon);
}
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