| // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-options "-std=gnu++2a" } |
| // { dg-do run { target c++2a } } |
| |
| #include <algorithm> |
| #include <testsuite_hooks.h> |
| #include <testsuite_iterators.h> |
| |
| using __gnu_test::test_container; |
| using __gnu_test::test_range; |
| using __gnu_test::input_iterator_wrapper; |
| using __gnu_test::forward_iterator_wrapper; |
| |
| namespace ranges = std::ranges; |
| |
| struct X { int i; }; |
| |
| struct XLess |
| { |
| int val; |
| bool operator()(X& x) const { return x.i < val; } |
| }; |
| |
| struct ILess |
| { |
| int val; |
| bool operator()(int& i) const { return i < val; } |
| }; |
| |
| template<typename T> |
| struct NotZero |
| { |
| bool operator()(T& t) const { return t != 0; } |
| }; |
| |
| void |
| test01() |
| { |
| X x[] = { {2}, {4}, {6}, {8}, {10}, {11} }; |
| |
| VERIFY( ranges::any_of(x, x+6, XLess{3}) ); |
| VERIFY( ranges::any_of(x, x+6, ILess{3}, &X::i) ); |
| VERIFY( !ranges::any_of(x+1, x+6, XLess{3}) ); |
| VERIFY( !ranges::any_of(x+1, x+6, ILess{3}, &X::i) ); |
| VERIFY( ranges::any_of(x, XLess{5}) ); |
| VERIFY( ranges::any_of(x, ILess{5}, &X::i) ); |
| |
| test_container<X, forward_iterator_wrapper> c(x); |
| VERIFY( ranges::any_of(c, NotZero<int>{}, &X::i) ); |
| |
| test_range<X, input_iterator_wrapper> r(x); |
| VERIFY( ranges::any_of(r, NotZero<int>{}, &X::i) ); |
| VERIFY( ranges::any_of(r, NotZero<X* const>{}, [](X& x) { return &x; }) ); |
| } |
| |
| struct Y { int i; int j; }; |
| |
| void |
| test02() |
| { |
| static constexpr Y y[] = { {1,2}, {2,4}, {3,6} }; |
| static_assert(ranges::any_of(y, [](int i) { return i%2 == 0; }, &Y::i)); |
| static_assert(ranges::any_of(y, [](const Y& y) { return y.i + y.j == 3; })); |
| static_assert(!ranges::any_of(y, [](const Y& y) { return y.i == y.j; })); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| } |