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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <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>
#include "test_macros.h"
int main(int, char**)
{
{
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");
}
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
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 // TEST_HAS_NO_WIDE_CHARACTERS
return 0;
}
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