xref: /llvm-project/libcxx/test/std/input.output/iostream.format/quoted.manip/quoted_traits.verify.cpp (revision 72f0edf3f4291d2614719a8c8af21a7a62ed5d74)
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 // <iomanip>
10 
11 // quoted
12 
13 // UNSUPPORTED: c++03, c++11
14 
15 #include <iomanip>
16 #include <sstream>
17 #include <string>
18 
19 //  Test that mismatches in the traits between the quoted object and the dest string are diagnosed.
20 
21 template <class charT>
22 struct test_traits {
23     typedef charT char_type;
24 };
25 
round_trip(const char * p)26 void round_trip ( const char *p ) {
27     std::stringstream ss;
28     ss << std::quoted(p);
29     std::basic_string<char, test_traits<char>> s;
30     ss >> std::quoted(s); // expected-error {{invalid operands to binary expression}}
31 }
32 
f()33 void f() {
34     round_trip("Hi Mom");
35 }
36