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SpectrumInfoTest.h
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SpectrumInfoTest.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
// NScD Oak Ridge National Laboratory, European Spallation Source,
// Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
#include <cxxtest/TestSuite.h>
#include "MantidBeamline/SpectrumInfo.h"
#include "MantidTypes/SpectrumDefinition.h"
using namespace Mantid;
using namespace Beamline;
class SpectrumInfoTest : public CxxTest::TestSuite {
public:
// This pair of boilerplate methods prevent the suite being created statically
// This means the constructor isn't called when running other tests
static SpectrumInfoTest *createSuite() { return new SpectrumInfoTest(); }
static void destroySuite(SpectrumInfoTest *suite) { delete suite; }
void test_copy() {
const SpectrumInfo source(7);
const auto copy(source);
TS_ASSERT_EQUALS(copy.size(), 7);
}
void test_move() {
SpectrumInfo source(7);
const auto moved(std::move(source));
TS_ASSERT_EQUALS(moved.size(), 7);
TS_ASSERT_EQUALS(source.size(), 0);
}
void test_assign() {
const SpectrumInfo source(7);
SpectrumInfo assignee(1);
assignee = source;
TS_ASSERT_EQUALS(assignee.size(), 7);
}
void test_move_assign() {
SpectrumInfo source(7);
SpectrumInfo assignee(1);
assignee = std::move(source);
TS_ASSERT_EQUALS(assignee.size(), 7);
TS_ASSERT_EQUALS(source.size(), 0);
}
void test_copy_on_write() {
const SpectrumInfo source(1);
TS_ASSERT_EQUALS(source.spectrumDefinition(0).size(), 0);
auto copy(source);
SpectrumDefinition def;
def.add(0);
copy.setSpectrumDefinition(0, def);
TS_ASSERT_EQUALS(source.spectrumDefinition(0).size(), 0);
TS_ASSERT_EQUALS(copy.spectrumDefinition(0).size(), 1);
}
void test_size() {
TS_ASSERT_EQUALS(SpectrumInfo(0).size(), 0);
TS_ASSERT_EQUALS(SpectrumInfo(1).size(), 1);
}
void test_spectrumDefinition() {
SpectrumInfo info(1);
TS_ASSERT_EQUALS(info.spectrumDefinition(0).size(), 0);
}
void test_setSpectrumDefinition() {
SpectrumDefinition def;
def.add(7, 5);
TS_ASSERT_EQUALS(def.size(), 1);
SpectrumInfo info(3);
info.setSpectrumDefinition(1, def);
TS_ASSERT_EQUALS(info.spectrumDefinition(1)[0], (std::pair<size_t, size_t>(7, 5)));
TS_ASSERT_EQUALS(def.size(), 1);
}
void test_setSpectrumDefinition_move() {
SpectrumDefinition def;
def.add(7, 5);
TS_ASSERT_EQUALS(def.size(), 1);
SpectrumInfo info(3);
info.setSpectrumDefinition(1, std::move(def));
TS_ASSERT_EQUALS(info.spectrumDefinition(1)[0], (std::pair<size_t, size_t>(7, 5)));
TS_ASSERT_EQUALS(def.size(), 0);
}
void test_setSpectrumDefinition_is_thread_safe() {
SpectrumInfo info(10000);
int64_t size = static_cast<int64_t>(info.size());
auto copy(info); // Make a copy to exercise the COW mechanism.
#pragma omp parallel for
for (int64_t i = 0; i < size; ++i) {
SpectrumDefinition def;
def.add(i);
info.setSpectrumDefinition(i, def);
}
for (int64_t i = 0; i < size; ++i) {
TS_ASSERT_EQUALS(info.spectrumDefinition(i)[0], (std::pair<size_t, size_t>(i, 0)));
}
}
void test_detectorCount() {
SpectrumDefinition def1;
def1.add(1);
def1.add(2);
SpectrumDefinition def2;
def2.add(1);
SpectrumInfo info{2};
info.setSpectrumDefinition(0, def1);
info.setSpectrumDefinition(1, def2);
TS_ASSERT_EQUALS(info.size(), 2);
TS_ASSERT_EQUALS(info.detectorCount(), 3);
}
};