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// <vector>
10// UNSUPPORTED: c++03, c++11, c++14
11
12// template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>>
13// vector(InputIterator, InputIterator, Allocator = Allocator())
14// -> vector<typename iterator_traits<InputIterator>::value_type, Allocator>;
15//
16
17#include <cassert>
18#include <cstddef>
19#include <vector>
20
21int main(int, char**) {
22 // Test the explicit deduction guides
23 // TODO: Should there be tests for explicit deduction guides?
24
25 // Test the implicit deduction guides
26 {
27 // vector (allocator &)
28 // expected-error@+1 {{no viable constructor or deduction guide for deduction of template arguments of 'vector'}}
29 std::vector vec(std::allocator< int>{});
30 }
31
32 return 0;
33}
34

source code of libcxx/test/std/containers/sequences/vector/vector.cons/deduct.verify.cpp