blob: a3e869de2d9f084cb9377b8b0a309a2e1202d6c1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <sstream>
// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
// class basic_istringstream
// basic_istringstream& operator=(basic_istringstream&& rhs);
#include <sstream>
#include <cassert>
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
std::istringstream ss0(" 123 456");
std::istringstream ss;
ss = std::move(ss0);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == " 123 456");
int i = 0;
ss >> i;
assert(i == 123);
ss >> i;
assert(i == 456);
}
{
std::istringstream s1("Aaaaa Bbbbb Cccccccccc Dddddddddddddddddd");
std::string s;
s1 >> s;
std::istringstream s2 = std::move(s1);
s2 >> s;
assert(s == "Bbbbb");
std::istringstream s3;
s3 = std::move(s2);
s3 >> s;
assert(s == "Cccccccccc");
s1 = std::move(s3);
s1 >> s;
assert(s == "Dddddddddddddddddd");
}
{
std::wistringstream ss0(L" 123 456");
std::wistringstream ss;
ss = std::move(ss0);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L" 123 456");
int i = 0;
ss >> i;
assert(i == 123);
ss >> i;
assert(i == 456);
}
{
std::wistringstream s1(L"Aaaaa Bbbbb Cccccccccc Dddddddddddddddddd");
std::wstring s;
s1 >> s;
std::wistringstream s2 = std::move(s1);
s2 >> s;
assert(s == L"Bbbbb");
std::wistringstream s3;
s3 = std::move(s2);
s3 >> s;
assert(s == L"Cccccccccc");
s1 = std::move(s3);
s1 >> s;
assert(s == L"Dddddddddddddddddd");
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}
|
