libcxx/test/std/input.output/iostream.format/quoted.manip/quoted_traits.verify.cpp

   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
  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
  33 void f() {
  34     round_trip("Hi Mom");
  35 }