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1 | // Copyright 2013 Krzysztof Czainski |
2 | // Copyright 2013 Vicente J. Botet Escriba | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | // (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
7 | /* | |
8 | * @file chrono_rounding.cpp | |
9 | * | |
10 | * @since 2013-11-22 | |
11 | * @author Krzysztof Czainski <1czajnik@gmail.com> | |
12 | */ | |
13 | ||
14 | #include <boost/cstdint.hpp> | |
15 | #include <boost/chrono/ceil.hpp> | |
16 | #include <boost/chrono/floor.hpp> | |
17 | #include <boost/chrono/round.hpp> | |
18 | ||
19 | #include <boost/chrono/chrono_io.hpp> | |
20 | #include <boost/detail/lightweight_test.hpp> | |
21 | ||
22 | using namespace boost::chrono; | |
23 | ||
24 | void test_floor() | |
25 | { | |
26 | BOOST_TEST_EQ( seconds(-2), floor<seconds>( milliseconds(-2000) ) ); | |
27 | BOOST_TEST_EQ( seconds(-2), floor<seconds>( milliseconds(-1999) ) ); | |
28 | BOOST_TEST_EQ( seconds(-2), floor<seconds>( milliseconds(-1001) ) ); | |
29 | BOOST_TEST_EQ( seconds(-1), floor<seconds>( milliseconds(-1000) ) ); | |
30 | BOOST_TEST_EQ( seconds(-1), floor<seconds>( milliseconds(-999) ) ); | |
31 | BOOST_TEST_EQ( seconds(-1), floor<seconds>( milliseconds(-1) ) ); | |
32 | BOOST_TEST_EQ( seconds(0), floor<seconds>( milliseconds(0) ) ); | |
33 | BOOST_TEST_EQ( seconds(0), floor<seconds>( milliseconds(1) ) ); | |
34 | BOOST_TEST_EQ( seconds(0), floor<seconds>( milliseconds(999) ) ); | |
35 | BOOST_TEST_EQ( seconds(1), floor<seconds>( milliseconds(1000) ) ); | |
36 | BOOST_TEST_EQ( seconds(1), floor<seconds>( milliseconds(1001) ) ); | |
37 | BOOST_TEST_EQ( seconds(1), floor<seconds>( milliseconds(1999) ) ); | |
38 | BOOST_TEST_EQ( seconds(2), floor<seconds>( milliseconds(2000) ) ); | |
b32b8144 | 39 | |
7c673cae FG |
40 | { |
41 | // check that int32 isn't overflowed in intermediate calculations: | |
b32b8144 FG |
42 | typedef duration<boost::int32_t> sec32; |
43 | typedef duration< boost::int32_t, boost::ratio<999,1000> > sec32_m1ms; | |
7c673cae FG |
44 | BOOST_TEST_EQ( sec32(-999000000), floor<sec32>( sec32_m1ms(-1000000000) ) ); |
45 | BOOST_TEST_EQ( sec32( 999000000), floor<sec32>( sec32_m1ms( 1000000000) ) ); | |
46 | } | |
47 | } | |
48 | ||
49 | void test_ceil() | |
50 | { | |
51 | BOOST_TEST_EQ( seconds(-2), ceil<seconds>( milliseconds(-2000) ) ); | |
52 | BOOST_TEST_EQ( seconds(-1), ceil<seconds>( milliseconds(-1999) ) ); | |
53 | BOOST_TEST_EQ( seconds(-1), ceil<seconds>( milliseconds(-1001) ) ); | |
54 | BOOST_TEST_EQ( seconds(-1), ceil<seconds>( milliseconds(-1000) ) ); | |
55 | BOOST_TEST_EQ( seconds(0), ceil<seconds>( milliseconds(-999) ) ); | |
56 | BOOST_TEST_EQ( seconds(0), ceil<seconds>( milliseconds(-1) ) ); | |
57 | BOOST_TEST_EQ( seconds(0), ceil<seconds>( milliseconds(0) ) ); | |
58 | BOOST_TEST_EQ( seconds(1), ceil<seconds>( milliseconds(1) ) ); | |
59 | BOOST_TEST_EQ( seconds(1), ceil<seconds>( milliseconds(999) ) ); | |
60 | BOOST_TEST_EQ( seconds(1), ceil<seconds>( milliseconds(1000) ) ); | |
61 | BOOST_TEST_EQ( seconds(2), ceil<seconds>( milliseconds(1001) ) ); | |
62 | BOOST_TEST_EQ( seconds(2), ceil<seconds>( milliseconds(1999) ) ); | |
63 | BOOST_TEST_EQ( seconds(2), ceil<seconds>( milliseconds(2000) ) ); | |
64 | { | |
65 | // check that int32 isn't overflowed in intermediate calculations: | |
b32b8144 FG |
66 | typedef duration<boost::int32_t> sec32; |
67 | typedef duration< boost::int32_t, boost::ratio<999,1000> > sec32_m1ms; | |
7c673cae FG |
68 | BOOST_TEST_EQ( sec32(-999000000), ceil<sec32>( sec32_m1ms(-1000000000) ) ); |
69 | BOOST_TEST_EQ( sec32( 999000000), ceil<sec32>( sec32_m1ms( 1000000000) ) ); | |
70 | } | |
71 | } | |
72 | ||
73 | void test_round() | |
74 | { | |
75 | // to even on tie | |
76 | BOOST_TEST_EQ( seconds(-2), round<seconds>( milliseconds(-2000) ) ); | |
77 | BOOST_TEST_EQ( seconds(-2), round<seconds>( milliseconds(-1500) ) ); | |
78 | BOOST_TEST_EQ( seconds(-1), round<seconds>( milliseconds(-1499) ) ); | |
79 | BOOST_TEST_EQ( seconds(-1), round<seconds>( milliseconds(-1000) ) ); | |
80 | BOOST_TEST_EQ( seconds(0), round<seconds>( milliseconds(-500) ) ); | |
81 | BOOST_TEST_EQ( seconds(0), round<seconds>( milliseconds(-499) ) ); | |
82 | BOOST_TEST_EQ( seconds(0), round<seconds>( milliseconds(0) ) ); | |
83 | BOOST_TEST_EQ( seconds(0), round<seconds>( milliseconds(499) ) ); | |
84 | BOOST_TEST_EQ( seconds(0), round<seconds>( milliseconds(500) ) ); | |
85 | BOOST_TEST_EQ( seconds(1), round<seconds>( milliseconds(1000) ) ); | |
86 | BOOST_TEST_EQ( seconds(1), round<seconds>( milliseconds(1499) ) ); | |
87 | BOOST_TEST_EQ( seconds(2), round<seconds>( milliseconds(1500) ) ); | |
88 | BOOST_TEST_EQ( seconds(2), round<seconds>( milliseconds(2000) ) ); | |
89 | { | |
90 | // check that int32 isn't overflowed in intermediate calculations: | |
b32b8144 FG |
91 | typedef duration<boost::int32_t> sec32; |
92 | typedef duration< boost::int32_t, boost::ratio<999,1000> > sec32_m1ms; | |
7c673cae FG |
93 | BOOST_TEST_EQ( sec32(-999000000), round<sec32>( sec32_m1ms(-1000000000) ) ); |
94 | BOOST_TEST_EQ( sec32( 999000000), round<sec32>( sec32_m1ms( 1000000000) ) ); | |
95 | } | |
96 | } | |
97 | ||
98 | int main() | |
99 | { | |
100 | test_floor(); | |
101 | test_ceil(); | |
102 | test_round(); | |
103 | return boost::report_errors(); | |
104 | ||
105 | } |