1 // Copyright 2015-2018 Hans Dembinski
2 //
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)
6
7 #include <boost/core/lightweight_test.hpp>
8 #include <boost/histogram/axis/integer.hpp>
9 #include <boost/histogram/axis/ostream.hpp>
10 #include <limits>
11 #include <sstream>
12 #include <type_traits>
13 #include "std_ostream.hpp"
14 #include "throw_exception.hpp"
15 #include "utility_axis.hpp"
16 #include "utility_str.hpp"
17
main()18 int main() {
19 using namespace boost::histogram;
20
21 BOOST_TEST(std::is_nothrow_move_assignable<axis::integer<>>::value);
22 BOOST_TEST(std::is_nothrow_move_constructible<axis::integer<>>::value);
23
24 // bad_ctor
25 { BOOST_TEST_THROWS(axis::integer<>(1, -1), std::invalid_argument); }
26
27 // axis::integer with double type
28 {
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");
32 a.metadata() = "bar";
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);
44
45 BOOST_TEST_EQ(str(a),
46 "integer(-1, 2, metadata=\"bar\", options=underflow | overflow)");
47
48 axis::integer<double> b;
49 BOOST_TEST_NE(a, b);
50 b = a;
51 BOOST_TEST_EQ(a, b);
52 axis::integer<double> c = std::move(b);
53 BOOST_TEST_EQ(c, a);
54 axis::integer<double> d;
55 BOOST_TEST_NE(c, d);
56 d = std::move(c);
57 BOOST_TEST_EQ(d, a);
58 }
59
60 // empty axis::integer
61 {
62 axis::integer<> a;
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);
71
72 BOOST_TEST_EQ(str(a), "integer(0, 0, options=underflow | overflow)");
73
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);
84
85 BOOST_TEST_EQ(str(b), "integer(1, 1, options=underflow | overflow)");
86 }
87
88 // axis::integer with int type
89 {
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);
100
101 BOOST_TEST_EQ(str(a), "integer(-1, 2, options=underflow | overflow)");
102 }
103
104 // axis::integer int,circular
105 {
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);
117
118 BOOST_TEST_EQ(str(a), "integer(-1, 1, options=circular)");
119 }
120
121 // axis::integer double,circular
122 {
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(-1.9), 1);
131 BOOST_TEST_EQ(a.index(-1.1), 1);
132 BOOST_TEST_EQ(a.index(-1), 0);
133 BOOST_TEST_EQ(a.index(0), 1);
134 BOOST_TEST_EQ(a.index(1), 0);
135 BOOST_TEST_EQ(a.index(2), 1);
136 BOOST_TEST_EQ(a.index(2.1), 1);
137 BOOST_TEST_EQ(a.index(2.9), 1);
138
139 BOOST_TEST_EQ(a.index(std::numeric_limits<double>::quiet_NaN()), 2);
140 }
141
142 // axis::integer with growth
143 {
144 using pii_t = std::pair<axis::index_type, axis::index_type>;
145 axis::integer<double, axis::null_type, axis::option::growth_t> a;
146 BOOST_TEST_EQ(a.size(), 0);
147 BOOST_TEST_EQ(a.update(0), pii_t(0, -1));
148 BOOST_TEST_EQ(a.size(), 1);
149 BOOST_TEST_EQ(a.update(1), pii_t(1, -1));
150 BOOST_TEST_EQ(a.size(), 2);
151 BOOST_TEST_EQ(a.update(-1), pii_t(0, 1));
152 BOOST_TEST_EQ(a.size(), 3);
153 BOOST_TEST_EQ(a.update(std::numeric_limits<double>::infinity()), pii_t(a.size(), 0));
154 BOOST_TEST_EQ(a.update(std::numeric_limits<double>::quiet_NaN()), pii_t(a.size(), 0));
155 BOOST_TEST_EQ(a.update(-std::numeric_limits<double>::infinity()), pii_t(-1, 0));
156 }
157
158 // iterators
159 {
160 test_axis_iterator(axis::integer<int>(0, 4), 0, 4);
161 test_axis_iterator(axis::integer<double>(0, 4), 0, 4);
162 test_axis_iterator(
163 axis::integer<int, axis::null_type, axis::option::circular_t>(0, 4), 0, 4);
164 }
165
166 // shrink and rebin
167 {
168 using A = axis::integer<>;
169 auto a = A(-1, 5);
170 auto b = A(a, 2, 5, 1);
171 BOOST_TEST_EQ(b.size(), 3);
172 BOOST_TEST_EQ(b.value(0), 1);
173 BOOST_TEST_EQ(b.value(3), 4);
174 auto c = A(a, 1, 5, 1);
175 BOOST_TEST_EQ(c.size(), 4);
176 BOOST_TEST_EQ(c.value(0), 0);
177 BOOST_TEST_EQ(c.value(4), 4);
178 auto e = A(a, 2, 5, 1);
179 BOOST_TEST_EQ(e.size(), 3);
180 BOOST_TEST_EQ(e.value(0), 1);
181 BOOST_TEST_EQ(e.value(3), 4);
182 }
183
184 // shrink and rebin with circular option
185 {
186 using A = axis::integer<int, axis::null_type, axis::option::circular_t>;
187 auto a = A(1, 5);
188 auto b = A(a, 0, 4, 1);
189 BOOST_TEST_EQ(a, b);
190 BOOST_TEST_THROWS(A(a, 1, 4, 1), std::invalid_argument);
191 BOOST_TEST_THROWS(A(a, 0, 3, 1), std::invalid_argument);
192 BOOST_TEST_THROWS(A(a, 0, 4, 2), std::invalid_argument);
193 }
194
195 return boost::report_errors();
196 }
197