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_istringstream
13 
14 // basic_istringstream(basic_istringstream&& rhs);
15 
16 // XFAIL: FROZEN-CXX03-HEADERS-FIXME
17 
18 #include <sstream>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "operator_hijacker.h"
23 
24 int main(int, char**)
25 {
26     {
27         std::istringstream ss0(" 123 456");
28         std::istringstream ss(std::move(ss0));
29         assert(ss.rdbuf() != 0);
30         assert(ss.good());
31         assert(ss.str() == " 123 456");
32         int i = 0;
33         ss >> i;
34         assert(i == 123);
35         ss >> i;
36         assert(i == 456);
37     }
38     {
39       std::basic_istringstream<char, std::char_traits<char>, operator_hijacker_allocator<char> > ss0(" 123 456");
40       std::basic_istringstream<char, std::char_traits<char>, operator_hijacker_allocator<char> > ss(std::move(ss0));
41       assert(ss.rdbuf() != 0);
42       assert(ss.good());
43       assert(ss.str() == " 123 456");
44       int i = 0;
45       ss >> i;
46       assert(i == 123);
47       ss >> i;
48       assert(i == 456);
49     }
50 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
51     {
52         std::wistringstream ss0(L" 123 456");
53         std::wistringstream ss(std::move(ss0));
54         assert(ss.rdbuf() != 0);
55         assert(ss.good());
56         assert(ss.str() == L" 123 456");
57         int i = 0;
58         ss >> i;
59         assert(i == 123);
60         ss >> i;
61         assert(i == 456);
62     }
63     {
64       std::basic_istringstream<wchar_t, std::char_traits<wchar_t>, operator_hijacker_allocator<wchar_t> > ss0(
65           L" 123 456");
66       std::basic_istringstream<wchar_t, std::char_traits<wchar_t>, operator_hijacker_allocator<wchar_t> > ss(
67           std::move(ss0));
68       assert(ss.rdbuf() != 0);
69       assert(ss.good());
70       assert(ss.str() == L" 123 456");
71       int i = 0;
72       ss >> i;
73       assert(i == 123);
74       ss >> i;
75       assert(i == 456);
76     }
77 #endif
78 
79   return 0;
80 }
81