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- // Copyright 2015-2018 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/core/lightweight_test.hpp>
- #include <boost/histogram/axis/integer.hpp>
- #include <boost/histogram/axis/ostream.hpp>
- #include <limits>
- #include <sstream>
- #include <type_traits>
- #include "std_ostream.hpp"
- #include "throw_exception.hpp"
- #include "utility_axis.hpp"
- #include "utility_str.hpp"
- int main() {
- using namespace boost::histogram;
- BOOST_TEST(std::is_nothrow_move_assignable<axis::integer<>>::value);
- BOOST_TEST(std::is_nothrow_move_constructible<axis::integer<>>::value);
- // bad_ctor
- { BOOST_TEST_THROWS(axis::integer<>(1, -1), std::invalid_argument); }
- // axis::integer with double type
- {
- axis::integer<double> a{-1, 2, "foo"};
- BOOST_TEST_EQ(a.metadata(), "foo");
- BOOST_TEST_EQ(static_cast<const axis::integer<double>&>(a).metadata(), "foo");
- a.metadata() = "bar";
- BOOST_TEST_EQ(static_cast<const axis::integer<double>&>(a).metadata(), "bar");
- BOOST_TEST_EQ(a.bin(-1).lower(), -std::numeric_limits<double>::infinity());
- BOOST_TEST_EQ(a.bin(a.size()).upper(), std::numeric_limits<double>::infinity());
- BOOST_TEST_EQ(a.index(-10), -1);
- BOOST_TEST_EQ(a.index(-2), -1);
- BOOST_TEST_EQ(a.index(-1), 0);
- BOOST_TEST_EQ(a.index(0), 1);
- BOOST_TEST_EQ(a.index(1), 2);
- BOOST_TEST_EQ(a.index(2), 3);
- BOOST_TEST_EQ(a.index(10), 3);
- BOOST_TEST_EQ(a.index(std::numeric_limits<double>::quiet_NaN()), 3);
- BOOST_TEST_EQ(str(a),
- "integer(-1, 2, metadata=\"bar\", options=underflow | overflow)");
- axis::integer<double> b;
- BOOST_TEST_NE(a, b);
- b = a;
- BOOST_TEST_EQ(a, b);
- axis::integer<double> c = std::move(b);
- BOOST_TEST_EQ(c, a);
- axis::integer<double> d;
- BOOST_TEST_NE(c, d);
- d = std::move(c);
- BOOST_TEST_EQ(d, a);
- }
- // empty axis::integer
- {
- axis::integer<> a;
- BOOST_TEST_EQ(a.size(), 0);
- BOOST_TEST_EQ(a.bin(1), 1);
- BOOST_TEST_EQ(a.bin(0), 0);
- BOOST_TEST_EQ(a.bin(-1), -1);
- BOOST_TEST_EQ(a.index(-10), -1);
- BOOST_TEST_EQ(a.index(-1), -1);
- BOOST_TEST_EQ(a.index(0), 0);
- BOOST_TEST_EQ(a.index(10), 0);
- BOOST_TEST_EQ(str(a), "integer(0, 0, options=underflow | overflow)");
- axis::integer<> b{1, 1};
- BOOST_TEST_EQ(b.size(), 0);
- BOOST_TEST_EQ(b.bin(1), 2);
- BOOST_TEST_EQ(b.bin(0), 1);
- BOOST_TEST_EQ(b.bin(-1), 0);
- BOOST_TEST_EQ(b.index(-10), -1);
- BOOST_TEST_EQ(b.index(-1), -1);
- BOOST_TEST_EQ(b.index(0), -1);
- BOOST_TEST_EQ(b.index(1), 0);
- BOOST_TEST_EQ(b.index(10), 0);
- BOOST_TEST_EQ(str(b), "integer(1, 1, options=underflow | overflow)");
- }
- // axis::integer with int type
- {
- axis::integer<int> a{-1, 2};
- BOOST_TEST_EQ(a.bin(-2), -3);
- BOOST_TEST_EQ(a.bin(4), 3);
- BOOST_TEST_EQ(a.index(-10), -1);
- BOOST_TEST_EQ(a.index(-2), -1);
- BOOST_TEST_EQ(a.index(-1), 0);
- BOOST_TEST_EQ(a.index(0), 1);
- BOOST_TEST_EQ(a.index(1), 2);
- BOOST_TEST_EQ(a.index(2), 3);
- BOOST_TEST_EQ(a.index(10), 3);
- BOOST_TEST_EQ(str(a), "integer(-1, 2, options=underflow | overflow)");
- }
- // axis::integer int,circular
- {
- axis::integer<int, axis::null_type, axis::option::circular_t> a(-1, 1);
- BOOST_TEST_EQ(a.value(-1), -2);
- BOOST_TEST_EQ(a.value(0), -1);
- BOOST_TEST_EQ(a.value(1), 0);
- BOOST_TEST_EQ(a.value(2), 1);
- BOOST_TEST_EQ(a.value(3), 2);
- BOOST_TEST_EQ(a.index(-2), 1);
- BOOST_TEST_EQ(a.index(-1), 0);
- BOOST_TEST_EQ(a.index(0), 1);
- BOOST_TEST_EQ(a.index(1), 0);
- BOOST_TEST_EQ(a.index(2), 1);
- BOOST_TEST_EQ(str(a), "integer(-1, 1, options=circular)");
- }
- // axis::integer double,circular
- {
- axis::integer<double, axis::null_type, axis::option::circular_t> a(-1, 1);
- BOOST_TEST_EQ(a.value(-1), -2);
- BOOST_TEST_EQ(a.value(0), -1);
- BOOST_TEST_EQ(a.value(1), 0);
- BOOST_TEST_EQ(a.value(2), 1);
- BOOST_TEST_EQ(a.value(3), 2);
- BOOST_TEST_EQ(a.index(-2), 1);
- BOOST_TEST_EQ(a.index(-1), 0);
- BOOST_TEST_EQ(a.index(0), 1);
- BOOST_TEST_EQ(a.index(1), 0);
- BOOST_TEST_EQ(a.index(2), 1);
- BOOST_TEST_EQ(a.index(std::numeric_limits<double>::quiet_NaN()), 2);
- }
- // axis::integer with growth
- {
- axis::integer<double, axis::null_type, axis::option::growth_t> a;
- BOOST_TEST_EQ(a.size(), 0);
- BOOST_TEST_EQ(a.update(0), std::make_pair(0, -1));
- BOOST_TEST_EQ(a.size(), 1);
- BOOST_TEST_EQ(a.update(1), std::make_pair(1, -1));
- BOOST_TEST_EQ(a.size(), 2);
- BOOST_TEST_EQ(a.update(-1), std::make_pair(0, 1));
- BOOST_TEST_EQ(a.size(), 3);
- BOOST_TEST_EQ(a.update(std::numeric_limits<double>::infinity()),
- std::make_pair(a.size(), 0));
- BOOST_TEST_EQ(a.update(std::numeric_limits<double>::quiet_NaN()),
- std::make_pair(a.size(), 0));
- BOOST_TEST_EQ(a.update(-std::numeric_limits<double>::infinity()),
- std::make_pair(-1, 0));
- }
- // iterators
- {
- test_axis_iterator(axis::integer<int>(0, 4), 0, 4);
- test_axis_iterator(axis::integer<double>(0, 4), 0, 4);
- test_axis_iterator(
- axis::integer<int, axis::null_type, axis::option::circular_t>(0, 4), 0, 4);
- }
- // shrink and rebin
- {
- using A = axis::integer<>;
- auto a = A(-1, 5);
- auto b = A(a, 2, 5, 1);
- BOOST_TEST_EQ(b.size(), 3);
- BOOST_TEST_EQ(b.value(0), 1);
- BOOST_TEST_EQ(b.value(3), 4);
- auto c = A(a, 1, 5, 1);
- BOOST_TEST_EQ(c.size(), 4);
- BOOST_TEST_EQ(c.value(0), 0);
- BOOST_TEST_EQ(c.value(4), 4);
- auto e = A(a, 2, 5, 1);
- BOOST_TEST_EQ(e.size(), 3);
- BOOST_TEST_EQ(e.value(0), 1);
- BOOST_TEST_EQ(e.value(3), 4);
- }
- // shrink and rebin with circular option
- {
- using A = axis::integer<int, axis::null_type, axis::option::circular_t>;
- auto a = A(1, 5);
- auto b = A(a, 0, 4, 1);
- BOOST_TEST_EQ(a, b);
- BOOST_TEST_THROWS(A(a, 1, 4, 1), std::invalid_argument);
- BOOST_TEST_THROWS(A(a, 0, 3, 1), std::invalid_argument);
- BOOST_TEST_THROWS(A(a, 0, 4, 2), std::invalid_argument);
- }
- return boost::report_errors();
- }
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