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#ifndef MANTID_KERNEL_HISTOGRAMTEST_H_
#define MANTID_KERNEL_HISTOGRAMTEST_H_
#include <cxxtest/TestSuite.h>
#include "MantidKernel/Histogram/Histogram.h"
using namespace Mantid;
using namespace Kernel;
class HistogramTest : 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 HistogramTest *createSuite() { return new HistogramTest(); }
static void destroySuite(HistogramTest *suite) { delete suite; }
void test_construction_fail() {
TS_ASSERT_THROWS(Histogram hist(Histogram::XMode::Uninitialized),
std::logic_error);
}
void test_construction_Points() {
TS_ASSERT_THROWS_NOTHING(Histogram hist(Histogram::XMode::Points));
}
void test_construction_BinEdges() {
TS_ASSERT_THROWS_NOTHING(Histogram hist(Histogram::XMode::BinEdges));
}
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void test_copy_constructor() {
Histogram src(Histogram::XMode::Points);
src.setPoints(Points{0.1, 0.2, 0.4});
Histogram dest(src);
TS_ASSERT(src.points());
auto points = dest.points();
TS_ASSERT(points);
TS_ASSERT_EQUALS(points.size(), 3);
TS_ASSERT_EQUALS(points[0], 0.1);
TS_ASSERT_EQUALS(points[1], 0.2);
TS_ASSERT_EQUALS(points[2], 0.4);
}
void test_move_constructor() {
Histogram src(Histogram::XMode::Points);
src.setPoints(Points{0.1, 0.2, 0.4});
Histogram dest(std::move(src));
TS_ASSERT(!src.points());
TS_ASSERT(dest.points());
}
void test_copy_assignment() {
Histogram src(Histogram::XMode::Points);
src.setPoints(Points{0.1, 0.2, 0.4});
Histogram dest(Histogram::XMode::Points);
dest = src;
TS_ASSERT(src.points());
auto points = dest.points();
TS_ASSERT(points);
TS_ASSERT_EQUALS(points.size(), 3);
TS_ASSERT_EQUALS(points[0], 0.1);
TS_ASSERT_EQUALS(points[1], 0.2);
TS_ASSERT_EQUALS(points[2], 0.4);
}
void test_move_assignment() {
Histogram src(Histogram::XMode::Points);
src.setPoints(Points{0.1, 0.2, 0.4});
Histogram dest(Histogram::XMode::Points);
dest = std::move(src);
TS_ASSERT(!src.points());
TS_ASSERT(dest.points());
}
void test_xMode() {
Histogram hist1(Histogram::XMode::Points);
TS_ASSERT_EQUALS(hist1.xMode(), Histogram::XMode::Points);
Histogram hist2(Histogram::XMode::BinEdges);
TS_ASSERT_EQUALS(hist2.xMode(), Histogram::XMode::BinEdges);
}
void test_getHistogramXMode() {
TS_ASSERT_EQUALS(getHistogramXMode(0, 0), Histogram::XMode::Points);
TS_ASSERT_EQUALS(getHistogramXMode(1, 1), Histogram::XMode::Points);
TS_ASSERT_EQUALS(getHistogramXMode(1, 0), Histogram::XMode::BinEdges);
TS_ASSERT_EQUALS(getHistogramXMode(2, 1), Histogram::XMode::BinEdges);
TS_ASSERT_EQUALS(getHistogramXMode(2, 0), Histogram::XMode::Uninitialized);
TS_ASSERT_EQUALS(getHistogramXMode(3, 1), Histogram::XMode::Uninitialized);
TS_ASSERT_EQUALS(getHistogramXMode(0, 1), Histogram::XMode::Uninitialized);
}
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void test_setPoints_fromPoints() {
Histogram hist(Histogram::XMode::Points);
hist.setPoints(Points{0.1, 0.2, 0.4});
TS_ASSERT_EQUALS(hist.xMode(), Histogram::XMode::Points);
auto points = hist.points();
TS_ASSERT_EQUALS(points[0], 0.1);
TS_ASSERT_EQUALS(points[1], 0.2);
TS_ASSERT_EQUALS(points[2], 0.4);
}
void test_setPoints_fromBinEdges() {
Histogram hist(Histogram::XMode::Points);
hist.setPoints(BinEdges{0.1, 0.2, 0.4});
TS_ASSERT_EQUALS(hist.xMode(), Histogram::XMode::Points);
auto points = hist.points();
TS_ASSERT_DELTA(points[0], 0.15, 1e-14);
TS_ASSERT_DELTA(points[1], 0.3, 1e-14);
}
void test_setPoints_fromVector() {
Histogram hist(Histogram::XMode::Points);
hist.setPoints(std::vector<double>{0.1, 0.2, 0.4});
TS_ASSERT_EQUALS(hist.xMode(), Histogram::XMode::Points);
auto points = hist.points();
TS_ASSERT_EQUALS(points[0], 0.1);
TS_ASSERT_EQUALS(points[1], 0.2);
TS_ASSERT_EQUALS(points[2], 0.4);
}
void test_setPoints_moveFromPoints() {
Histogram hist(Histogram::XMode::Points);
Points src{0.1, 0.2, 0.4};
hist.setPoints(std::move(src));
TS_ASSERT(!src);
TS_ASSERT_EQUALS(hist.xMode(), Histogram::XMode::Points);
auto points = hist.points();
TS_ASSERT_EQUALS(points[0], 0.1);
TS_ASSERT_EQUALS(points[1], 0.2);
TS_ASSERT_EQUALS(points[2], 0.4);
}
void test_setPoints_moveFromBinEdges() {
Histogram hist(Histogram::XMode::Points);
BinEdges src{0.1, 0.2, 0.4};
hist.setPoints(std::move(src));
// Creating Points from BinEdges: currently there is no move constructor
// implemented, so src should be untouched.
TS_ASSERT(src);
TS_ASSERT_EQUALS(hist.xMode(), Histogram::XMode::Points);
auto points = hist.points();
TS_ASSERT_DELTA(points[0], 0.15, 1e-14);
TS_ASSERT_DELTA(points[1], 0.3, 1e-14);
}
void test_setPoints_changes_xMode() {
Histogram hist(Histogram::XMode::BinEdges);
hist.setPoints(Points{0.1});
TS_ASSERT_EQUALS(hist.xMode(), Histogram::XMode::Points);
}
};
#endif /* MANTID_KERNEL_HISTOGRAMTEST_H_ */