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histogram/test/histogram_test.cpp

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// Copyright 2015-2016 Hans Dembinski
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/histogram/histogram.hpp>
#define BOOST_TEST_MODULE histogram_test
#include <boost/test/unit_test.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/assign/std/vector.hpp>
#include <boost/move/move.hpp>
#include <boost/preprocessor.hpp>
#include <limits>
using namespace boost::assign;
using namespace boost::histogram;
BOOST_AUTO_TEST_CASE(init_0)
{
histogram();
}
BOOST_AUTO_TEST_CASE(init_1)
{
histogram(regular_axis(3, -1, 1));
}
BOOST_AUTO_TEST_CASE(init_2)
{
histogram(regular_axis(3, -1, 1),
integer_axis(-1, 1));
}
BOOST_AUTO_TEST_CASE(init_3)
{
histogram(regular_axis(3, -1, 1),
integer_axis(-1, 1),
polar_axis(3));
}
BOOST_AUTO_TEST_CASE(init_4)
{
std::vector<double> x;
x += -1, 0, 1;
histogram(regular_axis(3, -1, 1),
integer_axis(-1, 1),
polar_axis(3),
variable_axis(x));
}
BOOST_AUTO_TEST_CASE(init_5)
{
std::vector<double> x;
x += -1, 0, 1;
histogram(regular_axis(3, -1, 1),
integer_axis(-1, 1),
polar_axis(3),
variable_axis(x),
category_axis("A;B;C"));
}
BOOST_AUTO_TEST_CASE(init_max)
{
#define ARG(z, n, data) regular_axis(1, -1, 1)
histogram( BOOST_PP_ENUM( BOOST_HISTOGRAM_AXIS_LIMIT, ARG, nil ) );
histogram(
histogram::axes_type( BOOST_HISTOGRAM_AXIS_LIMIT,
regular_axis(1, -1, 1) )
);
}
BOOST_AUTO_TEST_CASE(too_many_axes)
{
BOOST_CHECK_THROW(
histogram(
histogram::axes_type( BOOST_PP_INC(BOOST_HISTOGRAM_AXIS_LIMIT),
regular_axis(1, -1, 1) )
),
std::logic_error
);
}
// BOOST_AUTO_TEST_CASE(bad_alloc)
// {
// BOOST_CHECK_THROW(
// histogram(
// histogram::axes_type( BOOST_HISTOGRAM_AXIS_LIMIT,
// regular_axis(std::numeric_limits<int>::max(), 0, 1))
// ),
// std::bad_alloc
// );
// }
BOOST_AUTO_TEST_CASE(copy_ctor)
{
histogram h(regular_axis(1, -1, 1),
regular_axis(2, -2, 2));
h.fill(0.0, 0.0);
histogram h2(h);
BOOST_CHECK(h == h2);
}
BOOST_AUTO_TEST_CASE(copy_assign)
{
histogram h(regular_axis(1, -1, 1),
regular_axis(2, -2, 2));
h.fill(0.0, 0.0);
histogram h2;
BOOST_CHECK(!(h == h2));
h2 = h;
BOOST_CHECK(h == h2);
// test self-assign
h2 = h2;
BOOST_CHECK(h == h2);
}
BOOST_AUTO_TEST_CASE(move_ctor)
{
histogram h(regular_axis(1, -1, 1),
regular_axis(2, -2, 2));
h.fill(0.0, 0.0);
histogram h2(::boost::move(h));
BOOST_CHECK_EQUAL(h2.sum(), 1);
BOOST_CHECK_EQUAL(h2.dim(), 2);
BOOST_CHECK_EQUAL(h.sum(), 0);
BOOST_CHECK_EQUAL(h.dim(), 0);
}
BOOST_AUTO_TEST_CASE(move_assign)
{
histogram h(regular_axis(1, -1, 1),
regular_axis(2, -2, 2));
h.fill(0.0, 0.0);
histogram h2;
h2 = ::boost::move(h);
BOOST_CHECK_EQUAL(h2.sum(), 1);
BOOST_CHECK_EQUAL(h2.dim(), 2);
BOOST_CHECK_EQUAL(h.sum(), 0);
BOOST_CHECK_EQUAL(h.dim(), 0);
// test self-move
h2 = ::boost::move(h2);
BOOST_CHECK_EQUAL(h2.sum(), 1);
BOOST_CHECK_EQUAL(h2.dim(), 2);
}
BOOST_AUTO_TEST_CASE(d1)
{
histogram h(regular_axis(2, -1, 1));
h.fill(-1);
h.fill(-1.0);
h.fill(-2.0);
h.fill(10.0);
BOOST_CHECK_EQUAL(h.dim(), 1);
BOOST_CHECK_EQUAL(h.bins(0), 2);
BOOST_CHECK_EQUAL(h.shape(0), 4);
BOOST_CHECK_EQUAL(h.sum(), 4);
BOOST_CHECK_EQUAL(h.value(-1), 1.0);
BOOST_CHECK_EQUAL(h.value(0), 2.0);
BOOST_CHECK_EQUAL(h.value(1), 0.0);
BOOST_CHECK_EQUAL(h.value(2), 1.0);
BOOST_CHECK_EQUAL(h.variance(-1), 1.0);
BOOST_CHECK_EQUAL(h.variance(0), 2.0);
BOOST_CHECK_EQUAL(h.variance(1), 0.0);
BOOST_CHECK_EQUAL(h.variance(2), 1.0);
}
BOOST_AUTO_TEST_CASE(d1w)
{
histogram h(regular_axis(2, -1, 1));
h.fill(0);
h.wfill(-1.0, 2.0);
h.fill(-1.0);
h.fill(-2.0);
h.wfill(10.0, 5.0);
BOOST_CHECK_EQUAL(h.sum(), 10);
BOOST_CHECK_EQUAL(h.value(-1), 1.0);
BOOST_CHECK_EQUAL(h.value(0), 3.0);
BOOST_CHECK_EQUAL(h.value(1), 1.0);
BOOST_CHECK_EQUAL(h.value(2), 5.0);
BOOST_CHECK_EQUAL(h.variance(-1), 1.0);
BOOST_CHECK_EQUAL(h.variance(0), 5.0);
BOOST_CHECK_EQUAL(h.variance(1), 1.0);
BOOST_CHECK_EQUAL(h.variance(2), 25.0);
}
BOOST_AUTO_TEST_CASE(d2)
{
histogram h(regular_axis(2, -1, 1),
integer_axis(-1, 1, std::string(), false));
h.fill(-1, -1);
h.fill(-1, 0);
h.fill(-1, -10);
h.fill(-10, 0);
BOOST_CHECK_EQUAL(h.dim(), 2);
BOOST_CHECK_EQUAL(h.bins(0), 2);
BOOST_CHECK_EQUAL(h.shape(0), 4);
BOOST_CHECK_EQUAL(h.bins(1), 3);
BOOST_CHECK_EQUAL(h.shape(1), 3);
BOOST_CHECK_EQUAL(h.sum(), 3);
BOOST_CHECK_EQUAL(h.value(-1, 0), 0.0);
BOOST_CHECK_EQUAL(h.value(-1, 1), 1.0);
BOOST_CHECK_EQUAL(h.value(-1, 2), 0.0);
BOOST_CHECK_EQUAL(h.value(0, 0), 1.0);
BOOST_CHECK_EQUAL(h.value(0, 1), 1.0);
BOOST_CHECK_EQUAL(h.value(0, 2), 0.0);
BOOST_CHECK_EQUAL(h.value(1, 0), 0.0);
BOOST_CHECK_EQUAL(h.value(1, 1), 0.0);
BOOST_CHECK_EQUAL(h.value(1, 2), 0.0);
BOOST_CHECK_EQUAL(h.value(2, 0), 0.0);
BOOST_CHECK_EQUAL(h.value(2, 1), 0.0);
BOOST_CHECK_EQUAL(h.value(2, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(-1, 0), 0.0);
BOOST_CHECK_EQUAL(h.variance(-1, 1), 1.0);
BOOST_CHECK_EQUAL(h.variance(-1, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(0, 0), 1.0);
BOOST_CHECK_EQUAL(h.variance(0, 1), 1.0);
BOOST_CHECK_EQUAL(h.variance(0, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(1, 0), 0.0);
BOOST_CHECK_EQUAL(h.variance(1, 1), 0.0);
BOOST_CHECK_EQUAL(h.variance(1, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(2, 0), 0.0);
BOOST_CHECK_EQUAL(h.variance(2, 1), 0.0);
BOOST_CHECK_EQUAL(h.variance(2, 2), 0.0);
}
BOOST_AUTO_TEST_CASE(d2w)
{
histogram h(regular_axis(2, -1, 1),
integer_axis(-1, 1, std::string(), false));
h.fill(-1, 0); // -> 0, 1
h.wfill(-1, -1, 10); // -> 0, 0
h.wfill(-1, -10, 5); // is ignored
h.wfill(-10, 0, 7); // -> -1, 1
BOOST_CHECK_EQUAL(h.sum(), 18);
BOOST_CHECK_EQUAL(h.value(-1, 0), 0.0);
BOOST_CHECK_EQUAL(h.value(-1, 1), 7.0);
BOOST_CHECK_EQUAL(h.value(-1, 2), 0.0);
BOOST_CHECK_EQUAL(h.value(0, 0), 10.0);
BOOST_CHECK_EQUAL(h.value(0, 1), 1.0);
BOOST_CHECK_EQUAL(h.value(0, 2), 0.0);
BOOST_CHECK_EQUAL(h.value(1, 0), 0.0);
BOOST_CHECK_EQUAL(h.value(1, 1), 0.0);
BOOST_CHECK_EQUAL(h.value(1, 2), 0.0);
BOOST_CHECK_EQUAL(h.value(2, 0), 0.0);
BOOST_CHECK_EQUAL(h.value(2, 1), 0.0);
BOOST_CHECK_EQUAL(h.value(2, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(-1, 0), 0.0);
BOOST_CHECK_EQUAL(h.variance(-1, 1), 49.0);
BOOST_CHECK_EQUAL(h.variance(-1, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(0, 0), 100.0);
BOOST_CHECK_EQUAL(h.variance(0, 1), 1.0);
BOOST_CHECK_EQUAL(h.variance(0, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(1, 0), 0.0);
BOOST_CHECK_EQUAL(h.variance(1, 1), 0.0);
BOOST_CHECK_EQUAL(h.variance(1, 2), 0.0);
BOOST_CHECK_EQUAL(h.variance(2, 0), 0.0);
BOOST_CHECK_EQUAL(h.variance(2, 1), 0.0);
BOOST_CHECK_EQUAL(h.variance(2, 2), 0.0);
}
BOOST_AUTO_TEST_CASE(add_0)
{
histogram a(integer_axis(-1, 1));
histogram b(regular_axis(3, -1, 1));
BOOST_CHECK_THROW(a + b, std::logic_error);
}
BOOST_AUTO_TEST_CASE(add_1)
{
histogram a(integer_axis(-1, 1));
histogram b(integer_axis(-1, 1));
a.fill(0);
b.fill(-1);
histogram c = a + b;
BOOST_CHECK_EQUAL(c.value(-1), 0);
BOOST_CHECK_EQUAL(c.value(0), 1);
BOOST_CHECK_EQUAL(c.value(1), 1);
BOOST_CHECK_EQUAL(c.value(2), 0);
BOOST_CHECK_EQUAL(c.value(3), 0);
}
BOOST_AUTO_TEST_CASE(add_2)
{
histogram a(integer_axis(-1, 1));
histogram b(integer_axis(-1, 1));
a.fill(0);
b.wfill(-1, 3);
histogram c = a + b;
BOOST_CHECK_EQUAL(c.value(-1), 0);
BOOST_CHECK_EQUAL(c.value(0), 3);
BOOST_CHECK_EQUAL(c.value(1), 1);
BOOST_CHECK_EQUAL(c.value(2), 0);
BOOST_CHECK_EQUAL(c.value(3), 0);
}
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