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
16void test_vector()
17{
18 {
19 std::vector<int> x, y;
20 x.push_back( x: 1 ); x.push_back( x: 2 ); x.push_back( x: 3 ); x.push_back( x: 4 );
21 y.push_back( x: 1 ); y.push_back( x: 2 ); y.push_back( x: 3 ); y.push_back( x: 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( x: 1 ); x.push_back( x: 2 ); x.push_back( x: 3 ); x.push_back( x: 4 );
28 y.push_back( x: 2 ); y.push_back( x: 3 ); y.push_back( x: 4 ); y.push_back( x: 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( x: 1 ); x.push_back( x: 2 ); x.push_back( x: 3 ); x.push_back( x: 4 );
35 y.push_back( x: 2 ); y.push_back( x: 3 ); y.push_back( x: 4 ); y.push_back( x: 5 );
36 BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::less<int>() );
37 }
38}
39
40template <typename T>
41struct 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
49private:
50 T tolerance;
51};
52
53void test_tolerance_predicate()
54{
55 {
56 std::vector<double> x, y;
57 x.push_back( x: 1.0 ); x.push_back( x: 2.0 ); x.push_back( x: 3.0 ); x.push_back( x: 4.0 );
58 y.push_back( x: 1.0 ); y.push_back( x: 2.0 ); y.push_back( x: 3.0 ); y.push_back( x: 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( x: 1.0 ); x.push_back( x: 1.0 );
65 y.push_back( x: 1.0 - 1e-6 ); y.push_back( x: 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
70int main()
71{
72 test_vector();
73 test_tolerance_predicate();
74
75 return boost::report_errors();
76}
77

source code of boost/libs/core/test/lightweight_test_all_with_test.cpp