1 | /* Copyright (c) 2002,2003 CrystalClear Software, Inc. |
2 | * Use, modification and distribution is subject to the |
3 | * Boost Software License, Version 1.0. (See accompanying |
4 | * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
5 | * Author: Jeff Garland, Bart Garst |
6 | */ |
7 | |
8 | #include "boost/date_time/int_adapter.hpp" |
9 | #include "testfrmwk.hpp" |
10 | #include "boost/cstdint.hpp" |
11 | #include <iostream> |
12 | #include <sstream> |
13 | |
14 | template<typename int_type> |
15 | void print() |
16 | { |
17 | //MSVC 6 has problems with this, but it's not really important |
18 | //so we will just skip them.... |
19 | #if (defined(BOOST_DATE_TIME_NO_LOCALE)) || (defined(BOOST_MSVC) && (_MSC_VER < 1300)) |
20 | |
21 | #else |
22 | std::cout << "min: " << (int_type::min)().as_number() << std::endl; |
23 | std::cout << "max: " << (int_type::max)().as_number() << std::endl; |
24 | std::cout << "neg_infin: " << |
25 | int_type::neg_infinity().as_number() << std::endl; |
26 | std::cout << "pos_infin: " << |
27 | int_type::pos_infinity().as_number() << std::endl; |
28 | std::cout << "not a number: " << |
29 | int_type::not_a_number().as_number() << std::endl; |
30 | std::stringstream ss("" ); |
31 | std::string s("" ); |
32 | int_type i = int_type::neg_infinity(); |
33 | ss << i; |
34 | s = "-infinity" ; |
35 | check(testname: "streaming -infinity" , testcond: ss.str() == s); |
36 | |
37 | i = int_type::pos_infinity(); |
38 | ss.str(s: "" ); |
39 | ss << i; |
40 | s = "+infinity" ; |
41 | check(testname: "streaming +infinity" , testcond: ss.str() == s); |
42 | |
43 | i = int_type::not_a_number(); |
44 | ss.str(s: "" ); |
45 | ss << i; |
46 | s = "not-a-number" ; |
47 | check(testname: "streaming nan" , testcond: ss.str() == s); |
48 | |
49 | i = 12; |
50 | ss.str(s: "" ); |
51 | ss << i; |
52 | s = "12" ; |
53 | check(testname: "streaming digits" , testcond: ss.str() == s); |
54 | #endif |
55 | } |
56 | |
57 | |
58 | template<typename int_type> |
59 | void test_int() |
60 | { |
61 | int_type i = int_type::neg_infinity(); |
62 | |
63 | check("is infinity" , i.is_infinity()); |
64 | check("is special_value (neg_inf)" , i.is_special()); |
65 | check("as_special convert" , boost::date_time::neg_infin == i.as_special() ); |
66 | check("as_special convert" , boost::date_time::neg_infin == int_type::to_special(i.as_number()) ); |
67 | int_type h = int_type::neg_infinity(); |
68 | i = int_type::pos_infinity(); |
69 | check("is infinity" , i.is_infinity()); |
70 | check("as_special convert" , boost::date_time::pos_infin == i.as_special() ); |
71 | check("infinity less" , h < i); |
72 | check("infinity less" , h < 0); |
73 | check("infinity greater" , i > h); |
74 | check("infinity greater" , i > 0); |
75 | h = int_type::not_a_number(); |
76 | check("nan less" , !(h < 0)); |
77 | check("nan greater" , !(h > 0)); |
78 | check("nan equal" , h == int_type::not_a_number()); |
79 | i = 1; |
80 | check("is infinity" , !i.is_infinity()); |
81 | int_type j = int_type::neg_infinity(); |
82 | check("infinity less" , j < i); |
83 | check("infinity less" , !(j < j)); |
84 | check("infinity greater" , (i > j)); |
85 | check("infinity equal" , !(j == i)); |
86 | check("infinity equal" , j == j); |
87 | check("infinity equal" , !(j == 0)); |
88 | check("infinity not equal" , j != 0); |
89 | |
90 | int_type k = 1; |
91 | check("as_special convert" , boost::date_time::not_special == k.as_special() ); |
92 | check("equal" , i == k); |
93 | check("infinity not equal" , i != int_type::neg_infinity()); |
94 | check("infinity not equal" , i != int_type::pos_infinity()); |
95 | int_type l = i + int_type::pos_infinity(); |
96 | check("is special_value (pos_inf)" , l.is_special()); |
97 | check("add infinity" , l == int_type::pos_infinity()); |
98 | { // limiting the scope for these tests was easier than recalculating l |
99 | int_type m = i - int_type::pos_infinity(); |
100 | check("value - +infinity" , m == int_type::neg_infinity()); |
101 | m = i + int_type::neg_infinity(); |
102 | check("value + -infinity" , m == int_type::neg_infinity()); |
103 | } |
104 | check("inf - inf = nan" , (l - l) == int_type::not_a_number()); |
105 | check("-inf + inf = nan" , (j + l) == int_type::not_a_number()); |
106 | check("add 2" , (i + 2) == 3); |
107 | i = int_type::not_a_number(); |
108 | check("+inf * integer" , (l * 2) == l); |
109 | check("+inf / integer" , (l / 2) == l); |
110 | check("+inf % -integer" , (l % -2) == j); |
111 | check("+inf % integer" , (l % 2) == l); |
112 | check("+inf / -integer" , (l / -2) == j); |
113 | check("+inf * -integer" , (l * -2) == j); |
114 | check("+inf * -inf" , (l * j) == j); |
115 | check("+inf / +inf" , (l / l) == i); |
116 | check("+inf % +inf" , (l % l) == i); |
117 | check("+inf * zero" , (l * 0) == i); |
118 | check("is special_value (nan)" , i.is_special()); |
119 | check("as_special convert" , boost::date_time::not_a_date_time == i.as_special() ); |
120 | check("add not a number" , (i + 2) == int_type::not_a_number()); |
121 | check("sub not a number" , (i - 2) == int_type::not_a_number()); |
122 | check("sub from infin" , (l - 2) == int_type::pos_infinity()); |
123 | i = 5; |
124 | h = 3; |
125 | check("add zero " , (i + 0) == 5); |
126 | check("sub from 5-2 " , (i - 2) == 3); |
127 | check("remainder from 5/2 " , (i % 2) == 1); |
128 | check("remainder from 5/3 " , (i % h) == 2); |
129 | // std::cout << i.as_number() << std::endl; |
130 | check("from special " , |
131 | int_type::from_special(boost::date_time::pos_infin) == int_type::pos_infinity()); |
132 | check("from special " , |
133 | int_type::from_special(boost::date_time::neg_infin) == int_type::neg_infinity()); |
134 | check("from special " , |
135 | int_type::from_special(boost::date_time::not_a_date_time) == int_type::not_a_number()); |
136 | check("from special " , |
137 | int_type::from_special(boost::date_time::min_date_time) == (int_type::min)()); |
138 | check("from special " , |
139 | int_type::from_special(boost::date_time::max_date_time) == (int_type::max)()); |
140 | } |
141 | |
142 | int |
143 | main() |
144 | { |
145 | using namespace boost::date_time; |
146 | |
147 | print< int_adapter<unsigned long> >(); |
148 | test_int< int_adapter<unsigned long> >(); |
149 | print< int_adapter<long> >(); |
150 | test_int< int_adapter<long> >(); |
151 | print< int_adapter<boost::int64_t> >(); |
152 | test_int< int_adapter<boost::int64_t> >(); |
153 | |
154 | |
155 | return printTestStats(); |
156 | |
157 | } |
158 | |
159 | |