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 // <sstream>
10 
11 // template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
12 // class basic_ostringstream
13 
14 // basic_ostringstream(basic_ostringstream&& rhs);
15 
16 // XFAIL: FROZEN-CXX03-HEADERS-FIXME
17 
18 #include <sstream>
19 #include <cassert>
20 
21 #include "operator_hijacker.h"
22 #include "test_macros.h"
23 
24 int main(int, char**)
25 {
26     {
27         std::ostringstream ss0(" 123 456");
28         std::ostringstream ss(std::move(ss0));
29         assert(ss.rdbuf() != nullptr);
30         assert(ss.good());
31         assert(ss.str() == " 123 456");
32         int i = 234;
33         ss << i << ' ' << 567;
34         assert(ss.str() == "234 5676");
35     }
36     {
37       std::basic_ostringstream<char, std::char_traits<char>, operator_hijacker_allocator<char> > ss0(" 123 456");
38       std::basic_ostringstream<char, std::char_traits<char>, operator_hijacker_allocator<char> > ss(std::move(ss0));
39       assert(ss.rdbuf() != nullptr);
40       assert(ss.good());
41       assert(ss.str() == " 123 456");
42       int i = 234;
43       ss << i << ' ' << 567;
44       assert(ss.str() == "234 5676");
45     }
46 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
47     {
48         std::wostringstream ss0(L" 123 456");
49         std::wostringstream ss(std::move(ss0));
50         assert(ss.rdbuf() != nullptr);
51         assert(ss.good());
52         assert(ss.str() == L" 123 456");
53         int i = 234;
54         ss << i << ' ' << 567;
55         assert(ss.str() == L"234 5676");
56     }
57     {
58       std::basic_ostringstream<wchar_t, std::char_traits<wchar_t>, operator_hijacker_allocator<wchar_t> > ss0(
59           L" 123 456");
60       std::basic_ostringstream<wchar_t, std::char_traits<wchar_t>, operator_hijacker_allocator<wchar_t> > ss(
61           std::move(ss0));
62       assert(ss.rdbuf() != nullptr);
63       assert(ss.good());
64       assert(ss.str() == L" 123 456");
65       int i = 234;
66       ss << i << ' ' << 567;
67       assert(ss.str() == L"234 5676");
68     }
69 #endif
70 
71   return 0;
72 }
73