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75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright 2015-2017 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/core/lightweight_test.hpp>
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#include <boost/histogram/axis/ostream_operators.hpp>
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#include <boost/histogram/axis/variable.hpp>
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#include <limits>
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#include "utility_axis.hpp"
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using namespace boost::histogram;
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int main() {
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// bad_ctors
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{
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auto empty = std::vector<double>(0);
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BOOST_TEST_THROWS((axis::variable<>(empty)), std::invalid_argument);
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BOOST_TEST_THROWS(axis::variable<>({1.0}), std::invalid_argument);
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}
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// axis::variable
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{
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axis::variable<> a{-1, 0, 1};
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BOOST_TEST_EQ(a[-1].lower(), -std::numeric_limits<double>::infinity());
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BOOST_TEST_EQ(a[a.size()].upper(), std::numeric_limits<double>::infinity());
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axis::variable<> b;
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BOOST_TEST_NE(a, b);
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b = a;
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BOOST_TEST_EQ(a, b);
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b = b;
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BOOST_TEST_EQ(a, b);
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axis::variable<> c = std::move(b);
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BOOST_TEST_EQ(c, a);
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axis::variable<> d;
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BOOST_TEST_NE(c, d);
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d = std::move(c);
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BOOST_TEST_EQ(d, a);
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axis::variable<> e{-2, 0, 2};
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BOOST_TEST_NE(a, e);
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BOOST_TEST_EQ(a(-10), -1);
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BOOST_TEST_EQ(a(-1), 0);
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BOOST_TEST_EQ(a(0), 1);
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BOOST_TEST_EQ(a(1), 2);
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BOOST_TEST_EQ(a(10), 2);
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BOOST_TEST_EQ(a(-std::numeric_limits<double>::infinity()), -1);
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BOOST_TEST_EQ(a(std::numeric_limits<double>::infinity()), 2);
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BOOST_TEST_EQ(a(std::numeric_limits<double>::quiet_NaN()), 2);
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}
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// iterators
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{ test_axis_iterator(axis::variable<>({1, 2, 3}, ""), 0, 2); }
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// shrink and rebin
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{
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using A = axis::variable<>;
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auto a = A({0, 1, 2, 3, 4, 5});
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auto b = A(a, 1, 4, 1);
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BOOST_TEST_EQ(b.size(), 3);
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BOOST_TEST_EQ(b.value(0), 1);
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BOOST_TEST_EQ(b.value(3), 4);
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auto c = A(a, 0, 4, 2);
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BOOST_TEST_EQ(c.size(), 2);
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BOOST_TEST_EQ(c.value(0), 0);
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BOOST_TEST_EQ(c.value(2), 4);
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auto e = A(a, 1, 5, 2);
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BOOST_TEST_EQ(e.size(), 2);
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BOOST_TEST_EQ(e.value(0), 1);
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BOOST_TEST_EQ(e.value(2), 5);
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}
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return boost::report_errors();
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}
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