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
test_vector()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 {
with_tolerancewith_tolerance43 with_tolerance(T tolerance) : tolerance(tolerance) {}
operator ()with_tolerance44 bool operator()(T lhs, T rhs)
45 {
46 return (std::abs(lhs - rhs) <= tolerance);
47 }
48
49 private:
50 T tolerance;
51 };
52
test_tolerance_predicate()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
main()70 int main()
71 {
72 test_vector();
73 test_tolerance_predicate();
74
75 return boost::report_errors();
76 }
77