1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
10
11 // <queue>
12
13 // template <class InputIterator>
14 // stack(InputIterator, InputIterator);
15
16 #include <cassert>
17 #include <stack>
18
19 #include "test_allocator.h"
20
21 static_assert(!std::is_constructible_v<std::stack<int>, int, int, std::allocator<int>>);
22 static_assert(!std::is_constructible_v<std::stack<int>, int*, int*, int>);
23 static_assert( std::is_constructible_v<std::stack<int, std::deque<int, test_allocator<int>>>, int*, int*, test_allocator<int>>);
24 static_assert(!std::is_constructible_v<std::stack<int, std::deque<int, test_allocator<int>>>, int*, int*, std::allocator<int>>);
25
26 template <class T>
27 struct alloc : test_allocator<T> {
28 template <class U>
29 struct rebind {
30 using other = alloc<U>;
31 };
32 alloc(test_allocator_statistics* a);
33 };
34 static_assert(
35 std::is_constructible_v<std::stack<int, std::deque<int, alloc<int>>>, int*, int*, test_allocator_statistics*>);
36
main(int,char **)37 int main(int, char**) {
38 const int a[] = {4, 3, 2, 1};
39 std::stack<int> stack(a, a + 4);
40 assert(stack.top() == 1);
41 stack.pop();
42 assert(stack.top() == 2);
43 stack.pop();
44 assert(stack.top() == 3);
45 stack.pop();
46 assert(stack.top() == 4);
47 stack.pop();
48 assert(stack.empty());
49
50 return 0;
51 }
52