87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
}
|