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 // <iterator>
10 
11 // template <InsertionContainer Cont>
12 //   insert_iterator<Cont>
13 //   inserter(Cont& x, Cont::iterator i);
14 
15 #include <cassert>
16 #include <iterator>
17 #include <vector>
18 
19 #include "test_macros.h"
20 #include "nasty_containers.h"
21 #include "test_constexpr_container.h"
22 
23 template <class C>
24 TEST_CONSTEXPR_CXX20 bool
test(C c)25 test(C c)
26 {
27     std::insert_iterator<C> i = std::inserter(c, c.end());
28     i = 0;
29     assert(c.size() == 1);
30     assert(c.back() == 0);
31     return true;
32 }
33 
main(int,char **)34 int main(int, char**)
35 {
36     test(std::vector<int>());
37     test(nasty_vector<int>());
38 #if TEST_STD_VER >= 20
39     test(ConstexprFixedCapacityDeque<int, 10>());
40     static_assert(test(ConstexprFixedCapacityDeque<int, 10>()));
41 #endif
42     return 0;
43 }
44