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
24int 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

source code of libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/move.pass.cpp