1 // Range v3 library
2 //
3 // Copyright Andrew Sutton 2014
4 //
5 // Use, modification and distribution is subject to the
6 // Boost Software License, Version 1.0. (See accompanying
7 // file LICENSE_1_0.txt or copy at
8 // http://www.boost.org/LICENSE_1_0.txt)
9 //
10 // Project home: https://github.com/ericniebler/range-v3
11
12 #include <vector>
13 #include <range/v3/core.hpp>
14 #include <range/v3/algorithm/all_of.hpp>
15 #include "../simple_test.hpp"
16
even(int n)17 bool even(int n) { return n % 2 == 0; }
18
19 struct S {
SS20 S(bool p) : test(p) { }
21
pS22 bool p() const { return test; }
23
24 bool test;
25 };
26
main()27 int main()
28 {
29 std::vector<int> all_even { 0, 2, 4, 6 };
30 std::vector<int> one_even { 1, 3, 4, 7 };
31 std::vector<int> none_even { 1, 3, 5, 7 };
32 CHECK(ranges::all_of(all_even.begin(), all_even.end(), even));
33 CHECK(!ranges::all_of(one_even.begin(), one_even.end(), even));
34 CHECK(!ranges::all_of(none_even.begin(), none_even.end(), even));
35
36 CHECK(ranges::all_of(all_even, even));
37 CHECK(!ranges::all_of(one_even, even));
38 CHECK(!ranges::all_of(none_even, even));
39
40 using ILI = std::initializer_list<int>;
41 CHECK(ranges::all_of(ILI{0, 2, 4, 6}, [](int n) { return n % 2 == 0; }));
42 CHECK(!ranges::all_of(ILI{1, 3, 4, 7}, [](int n) { return n % 2 == 0; }));
43 CHECK(!ranges::all_of(ILI{1, 3, 5, 7}, [](int n) { return n % 2 == 0; }));
44
45 std::vector<S> all_true { true, true, true };
46 std::vector<S> one_true { false, false, true };
47 std::vector<S> none_true { false, false, false };
48 CHECK(ranges::all_of(all_true.begin(), all_true.end(), &S::p));
49 CHECK(!ranges::all_of(one_true.begin(), one_true.end(), &S::p));
50 CHECK(!ranges::all_of(none_true.begin(), none_true.end(), &S::p));
51
52 CHECK(ranges::all_of(all_true, &S::p));
53 CHECK(!ranges::all_of(one_true, &S::p));
54 CHECK(!ranges::all_of(none_true, &S::p));
55
56 using ILS = std::initializer_list<S>;
57 CHECK(ranges::all_of(ILS{S(true), S(true), S(true)}, &S::p));
58 CHECK(!ranges::all_of(ILS{S(false), S(true), S(false)}, &S::p));
59 CHECK(!ranges::all_of(ILS{S(false), S(false), S(false)}, &S::p));
60
61 return ::test_result();
62 }
63