1 // Copyright 2015-2018 Hans Dembinski
3 // Distributed under the Boost Software License, Version 1.0.
4 // (See accompanying file LICENSE_1_0.txt
5 // or copy at http://www.boost.org/LICENSE_1_0.txt)
7 #include <boost/core/lightweight_test.hpp>
8 #include <boost/histogram/axis/integer.hpp>
9 #include <boost/histogram/axis/ostream.hpp>
12 #include <type_traits>
13 #include "std_ostream.hpp"
14 #include "throw_exception.hpp"
15 #include "utility_axis.hpp"
16 #include "utility_str.hpp"
19 using namespace boost::histogram;
21 BOOST_TEST(std::is_nothrow_move_assignable<axis::integer<>>::value);
22 BOOST_TEST(std::is_nothrow_move_constructible<axis::integer<>>::value);
25 { BOOST_TEST_THROWS(axis::integer<>(1, -1), std::invalid_argument); }
27 // axis::integer with double type
29 axis::integer<double> a{-1, 2, "foo"};
30 BOOST_TEST_EQ(a.metadata(), "foo");
31 BOOST_TEST_EQ(static_cast<const axis::integer<double>&>(a).metadata(), "foo");
33 BOOST_TEST_EQ(static_cast<const axis::integer<double>&>(a).metadata(), "bar");
34 BOOST_TEST_EQ(a.bin(-1).lower(), -std::numeric_limits<double>::infinity());
35 BOOST_TEST_EQ(a.bin(a.size()).upper(), std::numeric_limits<double>::infinity());
36 BOOST_TEST_EQ(a.index(-10), -1);
37 BOOST_TEST_EQ(a.index(-2), -1);
38 BOOST_TEST_EQ(a.index(-1), 0);
39 BOOST_TEST_EQ(a.index(0), 1);
40 BOOST_TEST_EQ(a.index(1), 2);
41 BOOST_TEST_EQ(a.index(2), 3);
42 BOOST_TEST_EQ(a.index(10), 3);
43 BOOST_TEST_EQ(a.index(std::numeric_limits<double>::quiet_NaN()), 3);
46 "integer(-1, 2, metadata=\"bar\", options=underflow | overflow)");
48 axis::integer<double> b;
52 axis::integer<double> c = std::move(b);
54 axis::integer<double> d;
60 // empty axis::integer
63 BOOST_TEST_EQ(a.size(), 0);
64 BOOST_TEST_EQ(a.bin(1), 1);
65 BOOST_TEST_EQ(a.bin(0), 0);
66 BOOST_TEST_EQ(a.bin(-1), -1);
67 BOOST_TEST_EQ(a.index(-10), -1);
68 BOOST_TEST_EQ(a.index(-1), -1);
69 BOOST_TEST_EQ(a.index(0), 0);
70 BOOST_TEST_EQ(a.index(10), 0);
72 BOOST_TEST_EQ(str(a), "integer(0, 0, options=underflow | overflow)");
74 axis::integer<> b{1, 1};
75 BOOST_TEST_EQ(b.size(), 0);
76 BOOST_TEST_EQ(b.bin(1), 2);
77 BOOST_TEST_EQ(b.bin(0), 1);
78 BOOST_TEST_EQ(b.bin(-1), 0);
79 BOOST_TEST_EQ(b.index(-10), -1);
80 BOOST_TEST_EQ(b.index(-1), -1);
81 BOOST_TEST_EQ(b.index(0), -1);
82 BOOST_TEST_EQ(b.index(1), 0);
83 BOOST_TEST_EQ(b.index(10), 0);
85 BOOST_TEST_EQ(str(b), "integer(1, 1, options=underflow | overflow)");
88 // axis::integer with int type
90 axis::integer<int> a{-1, 2};
91 BOOST_TEST_EQ(a.bin(-2), -3);
92 BOOST_TEST_EQ(a.bin(4), 3);
93 BOOST_TEST_EQ(a.index(-10), -1);
94 BOOST_TEST_EQ(a.index(-2), -1);
95 BOOST_TEST_EQ(a.index(-1), 0);
96 BOOST_TEST_EQ(a.index(0), 1);
97 BOOST_TEST_EQ(a.index(1), 2);
98 BOOST_TEST_EQ(a.index(2), 3);
99 BOOST_TEST_EQ(a.index(10), 3);
101 BOOST_TEST_EQ(str(a), "integer(-1, 2, options=underflow | overflow)");
104 // axis::integer int,circular
106 axis::integer<int, axis::null_type, axis::option::circular_t> a(-1, 1);
107 BOOST_TEST_EQ(a.value(-1), -2);
108 BOOST_TEST_EQ(a.value(0), -1);
109 BOOST_TEST_EQ(a.value(1), 0);
110 BOOST_TEST_EQ(a.value(2), 1);
111 BOOST_TEST_EQ(a.value(3), 2);
112 BOOST_TEST_EQ(a.index(-2), 1);
113 BOOST_TEST_EQ(a.index(-1), 0);
114 BOOST_TEST_EQ(a.index(0), 1);
115 BOOST_TEST_EQ(a.index(1), 0);
116 BOOST_TEST_EQ(a.index(2), 1);
118 BOOST_TEST_EQ(str(a), "integer(-1, 1, options=circular)");
121 // axis::integer double,circular
123 axis::integer<double, axis::null_type, axis::option::circular_t> a(-1, 1);
124 BOOST_TEST_EQ(a.value(-1), -2);
125 BOOST_TEST_EQ(a.value(0), -1);
126 BOOST_TEST_EQ(a.value(1), 0);
127 BOOST_TEST_EQ(a.value(2), 1);
128 BOOST_TEST_EQ(a.value(3), 2);
129 BOOST_TEST_EQ(a.index(-2), 1);
130 BOOST_TEST_EQ(a.index(-1), 0);
131 BOOST_TEST_EQ(a.index(0), 1);
132 BOOST_TEST_EQ(a.index(1), 0);
133 BOOST_TEST_EQ(a.index(2), 1);
134 BOOST_TEST_EQ(a.index(std::numeric_limits<double>::quiet_NaN()), 2);
137 // axis::integer with growth
139 axis::integer<double, axis::null_type, axis::option::growth_t> a;
140 BOOST_TEST_EQ(a.size(), 0);
141 BOOST_TEST_EQ(a.update(0), std::make_pair(0, -1));
142 BOOST_TEST_EQ(a.size(), 1);
143 BOOST_TEST_EQ(a.update(1), std::make_pair(1, -1));
144 BOOST_TEST_EQ(a.size(), 2);
145 BOOST_TEST_EQ(a.update(-1), std::make_pair(0, 1));
146 BOOST_TEST_EQ(a.size(), 3);
147 BOOST_TEST_EQ(a.update(std::numeric_limits<double>::infinity()),
148 std::make_pair(a.size(), 0));
149 BOOST_TEST_EQ(a.update(std::numeric_limits<double>::quiet_NaN()),
150 std::make_pair(a.size(), 0));
151 BOOST_TEST_EQ(a.update(-std::numeric_limits<double>::infinity()),
152 std::make_pair(-1, 0));
157 test_axis_iterator(axis::integer<int>(0, 4), 0, 4);
158 test_axis_iterator(axis::integer<double>(0, 4), 0, 4);
160 axis::integer<int, axis::null_type, axis::option::circular_t>(0, 4), 0, 4);
165 using A = axis::integer<>;
167 auto b = A(a, 2, 5, 1);
168 BOOST_TEST_EQ(b.size(), 3);
169 BOOST_TEST_EQ(b.value(0), 1);
170 BOOST_TEST_EQ(b.value(3), 4);
171 auto c = A(a, 1, 5, 1);
172 BOOST_TEST_EQ(c.size(), 4);
173 BOOST_TEST_EQ(c.value(0), 0);
174 BOOST_TEST_EQ(c.value(4), 4);
175 auto e = A(a, 2, 5, 1);
176 BOOST_TEST_EQ(e.size(), 3);
177 BOOST_TEST_EQ(e.value(0), 1);
178 BOOST_TEST_EQ(e.value(3), 4);
181 // shrink and rebin with circular option
183 using A = axis::integer<int, axis::null_type, axis::option::circular_t>;
185 auto b = A(a, 0, 4, 1);
187 BOOST_TEST_THROWS(A(a, 1, 4, 1), std::invalid_argument);
188 BOOST_TEST_THROWS(A(a, 0, 3, 1), std::invalid_argument);
189 BOOST_TEST_THROWS(A(a, 0, 4, 2), std::invalid_argument);
192 return boost::report_errors();