| // { dg-options "-std=gnu++0x" } |
| |
| // Copyright (C) 2011-2013 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/>. |
| |
| // 20.4.2.1 [tuple.cnstr] Allocator-extended constructors |
| |
| #include <memory> |
| #include <tuple> |
| #include <testsuite_hooks.h> |
| |
| struct MyAlloc { }; |
| |
| // type that can't be constructed with an allocator |
| struct CannotUse |
| { |
| CannotUse(int = 0, int = 0) : ok(true) { } |
| |
| bool ok; |
| }; |
| |
| // type that can be constructed with an allocator |
| // but which has uses_allocator == false |
| struct DoesNotUse |
| { |
| typedef MyAlloc allocator_type; |
| |
| DoesNotUse(int = 0) : ok(true) { } |
| DoesNotUse(std::allocator_arg_t, MyAlloc, int = 0) : ok(false) { } |
| DoesNotUse(MyAlloc) : ok(false) { } |
| DoesNotUse(int, MyAlloc) : ok(false) { } |
| |
| DoesNotUse(const DoesNotUse&) : ok(true) { } |
| DoesNotUse(std::allocator_arg_t, MyAlloc, const DoesNotUse&) : ok(false) { } |
| DoesNotUse(const DoesNotUse&, MyAlloc) : ok(false) { } |
| |
| DoesNotUse(DoesNotUse&&) : ok(true) { } |
| DoesNotUse(std::allocator_arg_t, MyAlloc, DoesNotUse&&) : ok(false) { } |
| DoesNotUse(DoesNotUse&&, MyAlloc) : ok(false) { } |
| |
| bool ok; |
| }; |
| |
| namespace std |
| { |
| template<typename A> |
| struct uses_allocator<DoesNotUse, A> : false_type { }; |
| } |
| |
| // type that can be constructed with an allocator as second argument |
| struct UsesWithTag |
| { |
| typedef MyAlloc allocator_type; |
| |
| UsesWithTag(int = 0) : ok(false) { } |
| UsesWithTag(std::allocator_arg_t, MyAlloc, int = 0) : ok(true) { } |
| UsesWithTag(MyAlloc) : ok(false) { } |
| UsesWithTag(int, MyAlloc) : ok(false) { } |
| |
| UsesWithTag(const UsesWithTag&) : ok(false) { } |
| UsesWithTag(std::allocator_arg_t, MyAlloc, const UsesWithTag&) : ok(true) { } |
| UsesWithTag(const UsesWithTag&, MyAlloc) : ok(false) { } |
| |
| UsesWithTag(UsesWithTag&&) : ok(false) { } |
| UsesWithTag(std::allocator_arg_t, MyAlloc, UsesWithTag&&) : ok(true) { } |
| UsesWithTag(UsesWithTag&&, MyAlloc) : ok(false) { } |
| |
| bool ok; |
| }; |
| |
| // type that can be constructed with an allocator as last argument |
| struct UsesWithoutTag |
| { |
| typedef MyAlloc allocator_type; |
| |
| UsesWithoutTag(int = 0) : ok(false) { } |
| UsesWithoutTag(MyAlloc) : ok(true) { } |
| UsesWithoutTag(int, MyAlloc) : ok(true) { } |
| |
| UsesWithoutTag(const UsesWithoutTag&) : ok(false) { } |
| UsesWithoutTag(const UsesWithoutTag&, MyAlloc) : ok(true) { } |
| |
| UsesWithoutTag(UsesWithoutTag&&) : ok(false) { } |
| UsesWithoutTag(UsesWithoutTag&&, MyAlloc) : ok(true) { } |
| |
| bool ok; |
| }; |
| |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| using std::allocator_arg; |
| using std::tuple; |
| using std::make_tuple; |
| using std::get; |
| |
| typedef CannotUse T1; |
| typedef DoesNotUse T2; |
| typedef UsesWithTag T3; |
| typedef UsesWithoutTag T4; |
| typedef tuple<T1, T2, T3, T4> test_type; |
| |
| MyAlloc a; |
| |
| // default construction |
| test_type t1(allocator_arg, a); |
| VERIFY( get<0>(t1).ok ); |
| VERIFY( get<1>(t1).ok ); |
| VERIFY( get<2>(t1).ok ); |
| VERIFY( get<3>(t1).ok ); |
| |
| // copy construction |
| test_type t2(allocator_arg, a, t1); |
| VERIFY( get<0>(t2).ok ); |
| VERIFY( get<1>(t2).ok ); |
| VERIFY( get<2>(t2).ok ); |
| VERIFY( get<3>(t2).ok ); |
| |
| // move construction |
| test_type t3(allocator_arg, a, std::move(t1)); |
| VERIFY( get<0>(t3).ok ); |
| VERIFY( get<1>(t3).ok ); |
| VERIFY( get<2>(t3).ok ); |
| VERIFY( get<3>(t3).ok ); |
| |
| // construction from int |
| test_type t4(allocator_arg, a, 1, 2, 3, 4); |
| VERIFY( get<0>(t4).ok ); |
| VERIFY( get<1>(t4).ok ); |
| VERIFY( get<2>(t4).ok ); |
| VERIFY( get<3>(t4).ok ); |
| |
| auto ints = make_tuple(1, 2, 3, 4); |
| |
| // construction from lvalue tuple of ints |
| test_type t5(allocator_arg, a, ints); |
| VERIFY( get<0>(t5).ok ); |
| VERIFY( get<1>(t5).ok ); |
| VERIFY( get<2>(t5).ok ); |
| VERIFY( get<3>(t2).ok ); |
| |
| // construction from rvalue tuple of ints |
| test_type t6(allocator_arg, a, std::move(ints)); |
| VERIFY( get<0>(t6).ok ); |
| VERIFY( get<1>(t6).ok ); |
| VERIFY( get<2>(t6).ok ); |
| VERIFY( get<3>(t6).ok ); |
| |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |