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#include "Sample/Multilayer/Sample.h"
#include "Base/Const/Units.h"
#include "Sample/Aggregate/ParticleLayout.h"
#include "Sample/Interface/Roughness.h"
#include "Sample/Material/MaterialFactoryFuncs.h"
#include "Sample/Multilayer/Layer.h"
#include "Tests/GTestWrapper/google_test.h"
class MultiLayerTest : public ::testing::Test {
protected:
MultiLayerTest()
// The following delta, beta are all unphysical. Values don't matter here.
: air(RefractiveMaterial("Vacuum", 1e-6, 9e-4))
, iron(RefractiveMaterial("iron", 2e-5, 8e-5))
, chromium(RefractiveMaterial("chromium", 3e-7, 7e-6))
, stone(RefractiveMaterial("stone", 4e-4, 8e-7))
, topLayer(air, 0 * Units::nm)
, layer1(iron, 20 * Units::nm)
, layer2(chromium, 40 * Units::nm)
, substrate(stone, 0 * Units::nm)
{
}
void set_four()
{
mLayer.addLayer(topLayer);
mLayer.addLayer(layer1);
mLayer.addLayer(layer2);
mLayer.addLayer(substrate);
}
Sample mLayer;
const Material air, iron, chromium, stone;
Layer topLayer, layer1, layer2, substrate;
};
TEST_F(MultiLayerTest, BasicProperty)
{
// check default properties
EXPECT_EQ(size_t(0), mLayer.numberOfLayers());
// adding layers
mLayer.addLayer(topLayer);
EXPECT_EQ(size_t(1), mLayer.numberOfLayers());
mLayer.addLayer(layer1);
mLayer.addLayer(layer2);
mLayer.addLayer(substrate);
EXPECT_EQ(size_t(4), mLayer.numberOfLayers());
}
TEST_F(MultiLayerTest, LayerThicknesses)
{
set_four();
// check layer thickness
EXPECT_EQ(mLayer.layer(0)->thickness(), 0);
EXPECT_EQ(mLayer.layer(1)->thickness(), 20);
EXPECT_EQ(mLayer.layer(2)->thickness(), 40);
EXPECT_EQ(mLayer.layer(3)->thickness(), 0);
}
TEST_F(MultiLayerTest, CheckAllLayers)
{
set_four();
// check individual layer
const Layer* got0 = mLayer.layer(0);
EXPECT_EQ(0, got0->thickness());
const Layer* got1 = mLayer.layer(1);
EXPECT_EQ(20, got1->thickness());
const Layer* got2 = mLayer.layer(2);
EXPECT_EQ(40, got2->thickness());
const Layer* got3 = mLayer.layer(3);
EXPECT_EQ(0, got3->thickness());
}
TEST_F(MultiLayerTest, LayerInterfaces)
{
set_four();
// check interfaces
const Roughness* roughness1 = mLayer.layer(1)->roughness();
EXPECT_TRUE(nullptr != roughness1);
EXPECT_EQ(mLayer.roughnessRMS(1), 0.0);
const Roughness* roughness2 = mLayer.layer(2)->roughness();
EXPECT_TRUE(nullptr != roughness2);
EXPECT_EQ(mLayer.roughnessRMS(2), 0.0);
const Roughness* roughness3 = mLayer.layer(3)->roughness();
EXPECT_TRUE(nullptr != roughness3);
EXPECT_EQ(mLayer.roughnessRMS(3), 0.0);
}
TEST_F(MultiLayerTest, Clone)
{
set_four();
Sample* mLayerClone = mLayer.clone();
// check properties
EXPECT_EQ(size_t(4), mLayerClone->numberOfLayers());
// check layer thickness
EXPECT_EQ(topLayer.thickness(), mLayerClone->layer(0)->thickness());
EXPECT_EQ(layer1.thickness(), mLayerClone->layer(1)->thickness());
EXPECT_EQ(layer2.thickness(), mLayerClone->layer(2)->thickness());
EXPECT_EQ(substrate.thickness(), mLayerClone->layer(3)->thickness());
// check interfaces
const Roughness* roughness0 = mLayerClone->layer(1)->roughness();
EXPECT_TRUE(nullptr != roughness0);
EXPECT_EQ(mLayerClone->roughnessRMS(1), 0.0);
EXPECT_TRUE(nullptr == roughness0->crosscorrelationModel());
const Roughness* roughness1 = mLayerClone->layer(2)->roughness();
EXPECT_TRUE(nullptr != roughness1);
EXPECT_EQ(mLayerClone->roughnessRMS(2), 0.0);
EXPECT_TRUE(nullptr == roughness1->crosscorrelationModel());
const Roughness* roughness2 = mLayerClone->layer(3)->roughness();
EXPECT_TRUE(nullptr != roughness2);
EXPECT_EQ(mLayerClone->roughnessRMS(3), 0.0);
EXPECT_TRUE(nullptr == roughness2->crosscorrelationModel());
delete mLayerClone;
}
TEST_F(MultiLayerTest, WithRoughness)
{
SelfAffineFractalModel autocorrelation(1.1, .3, 0.1, 1e100);
ErfTransient transient;
Roughness lr(&autocorrelation, &transient);
mLayer.addLayer(topLayer);
mLayer.addLayer(Layer(*layer1.material(), layer1.thickness(), &lr));
mLayer.addLayer(substrate);
const Roughness* roughness0 = mLayer.layer(1)->roughness();
const Roughness* roughness1 = mLayer.layer(2)->roughness();
EXPECT_TRUE(roughness0);
auto* roughness0_AC =
dynamic_cast<const SelfAffineFractalModel*>(roughness0->autocorrelationModel());
EXPECT_TRUE(roughness0_AC);
EXPECT_EQ(1.1, mLayer.roughnessRMS(1));
EXPECT_EQ(.3, roughness0_AC->hurst());
EXPECT_EQ(0.1, roughness0_AC->lateralCorrLength());
EXPECT_TRUE(roughness1);
EXPECT_EQ(mLayer.roughnessRMS(2), 0.0);
}
TEST_F(MultiLayerTest, CloneWithRoughness)
{
ErfTransient transient;
SelfAffineFractalModel autocorrelation1(2.1, .3, 12.1, 1e100);
Roughness lr1(&autocorrelation1, &transient);
SelfAffineFractalModel autocorrelation2(1.1, .3, 0.1, 1e100);
Roughness lr2(&autocorrelation2, &transient);
auto magnetization = R3{0., 1e8, 0.};
auto magneticLayer =
Layer(RefractiveMaterial("iron", 2e-5, 8e-5, magnetization), 20 * Units::nm);
mLayer.addLayer(topLayer);
mLayer.addLayer(Layer(*magneticLayer.material(), magneticLayer.thickness(), &lr1));
mLayer.addLayer(Layer(*substrate.material(), substrate.thickness(), &lr2));
Sample* mLayerClone = mLayer.clone();
const Roughness* roughness1 = mLayerClone->layer(1)->roughness();
const Roughness* roughness2 = mLayerClone->layer(2)->roughness();
EXPECT_TRUE(roughness1);
EXPECT_TRUE(roughness2);
auto* roughness1_AC =
dynamic_cast<const SelfAffineFractalModel*>(roughness1->autocorrelationModel());
EXPECT_TRUE(roughness1_AC);
EXPECT_EQ(2.1, mLayerClone->roughnessRMS(1));
EXPECT_EQ(.3, roughness1_AC->hurst());
EXPECT_EQ(12.1, roughness1_AC->lateralCorrLength());
auto* roughness2_AC =
dynamic_cast<const SelfAffineFractalModel*>(roughness2->autocorrelationModel());
EXPECT_TRUE(roughness2_AC);
EXPECT_EQ(1.1, mLayerClone->roughnessRMS(2));
EXPECT_EQ(.3, roughness2_AC->hurst());
EXPECT_EQ(0.1, roughness2_AC->lateralCorrLength());
EXPECT_EQ(mLayerClone->layer(1)->material()->isMagneticMaterial(), true);
EXPECT_EQ(mLayerClone->layer(1)->material()->magnetization(), magnetization);
delete mLayerClone;
}
TEST_F(MultiLayerTest, MultiLayerComposite)
{
Sample mLayer;
R3 magnetic_field(0.0, 0.0, 0.0);
Material magMaterial0 = RefractiveMaterial("MagMat0", 6e-4, 2e-8, magnetic_field);
Material magMaterial1 = RefractiveMaterial("MagMat1", -5.6, 10, magnetic_field);
Layer layer1(iron, 10 * Units::nm);
Layer layer2(magMaterial0, 20 * Units::nm);
Layer layer3(magMaterial1, 30 * Units::nm);
Layer layer4(stone, 40 * Units::nm);
mLayer.addLayer(topLayer);
mLayer.addLayer(layer1);
mLayer.addLayer(layer2);
mLayer.addLayer(layer3);
mLayer.addLayer(layer4);
std::vector<const Layer*> layer_buffer;
int counter(0);
std::vector<const INode*> grandChildren = mLayer.nodeChildren();
EXPECT_EQ(grandChildren.size(), 5);
for (const auto* sample : grandChildren) {
if (counter % 2 == 0) {
const auto* layer = dynamic_cast<const Layer*>(sample);
EXPECT_TRUE(nullptr != layer);
layer_buffer.push_back(layer);
}
counter++;
}
EXPECT_EQ(size_t(3), layer_buffer.size());
for (size_t i = 0; i < layer_buffer.size(); ++i)
EXPECT_EQ(double(i * 20), layer_buffer[i]->thickness());
}
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