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1 | // |
2 | // Test for BOOST_TEST_ALL_WITH | |
3 | // | |
4 | // Copyright (c) 2017 Bjorn Reese | |
5 | // | |
6 | // Distributed under the Boost Software License, Version 1.0. | |
7 | // See accompanying file LICENSE_1_0.txt or copy at | |
8 | // http://www.boost.org/LICENSE_1_0.txt | |
9 | // | |
10 | ||
11 | #include <cmath> | |
12 | #include <functional> | |
13 | #include <vector> | |
14 | #include <boost/core/lightweight_test.hpp> | |
15 | ||
16 | void test_vector() | |
17 | { | |
18 | { | |
19 | std::vector<int> x, y; | |
20 | x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 ); | |
21 | y.push_back( 1 ); y.push_back( 2 ); y.push_back( 3 ); y.push_back( 4 ); | |
22 | BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::equal_to<int>() ); | |
23 | } | |
24 | ||
25 | { | |
26 | std::vector<int> x, y; | |
27 | x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 ); | |
28 | y.push_back( 2 ); y.push_back( 3 ); y.push_back( 4 ); y.push_back( 5 ); | |
29 | BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::not_equal_to<int>() ); | |
30 | } | |
31 | ||
32 | { | |
33 | std::vector<int> x, y; | |
34 | x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 ); | |
35 | y.push_back( 2 ); y.push_back( 3 ); y.push_back( 4 ); y.push_back( 5 ); | |
36 | BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::less<int>() ); | |
37 | } | |
38 | } | |
39 | ||
40 | template <typename T> | |
41 | struct with_tolerance | |
42 | { | |
43 | with_tolerance(T tolerance) : tolerance(tolerance) {} | |
44 | bool operator()(T lhs, T rhs) | |
45 | { | |
46 | return (std::abs(lhs - rhs) <= tolerance); | |
47 | } | |
48 | ||
49 | private: | |
50 | T tolerance; | |
51 | }; | |
52 | ||
53 | void test_tolerance_predicate() | |
54 | { | |
55 | { | |
56 | std::vector<double> x, y; | |
57 | x.push_back( 1.0 ); x.push_back( 2.0 ); x.push_back( 3.0 ); x.push_back( 4.0 ); | |
58 | y.push_back( 1.0 ); y.push_back( 2.0 ); y.push_back( 3.0 ); y.push_back( 4.0 ); | |
59 | BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), with_tolerance<double>(1e-5) ); | |
60 | } | |
61 | ||
62 | { | |
63 | std::vector<double> x, y; | |
64 | x.push_back( 1.0 ); x.push_back( 1.0 ); | |
65 | y.push_back( 1.0 - 1e-6 ); y.push_back( 1.0 + 1e-6 ); | |
66 | BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), with_tolerance<double>(1e-5) ); | |
67 | } | |
68 | } | |
69 | ||
70 | int main() | |
71 | { | |
72 | test_vector(); | |
73 | test_tolerance_predicate(); | |
74 | ||
75 | return boost::report_errors(); | |
76 | } |