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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <string>
// template<class charT, class traits, class Allocator>
// basic_istream<charT,traits>&
// operator>>(basic_istream<charT,traits>& is,
// basic_string<charT,traits,Allocator>& str);
#include <string>
#include <sstream>
#include <cassert>
#include "min_allocator.h"
int main()
{
{
std::istringstream in("a bc defghij");
std::string s("initial text");
in >> s;
assert(in.good());
assert(s == "a");
assert(in.peek() == ' ');
in >> s;
assert(in.good());
assert(s == "bc");
assert(in.peek() == ' ');
in.width(3);
in >> s;
assert(in.good());
assert(s == "def");
assert(in.peek() == 'g');
in >> s;
assert(in.eof());
assert(s == "ghij");
in >> s;
assert(in.fail());
}
{
std::wistringstream in(L"a bc defghij");
std::wstring s(L"initial text");
in >> s;
assert(in.good());
assert(s == L"a");
assert(in.peek() == L' ');
in >> s;
assert(in.good());
assert(s == L"bc");
assert(in.peek() == L' ');
in.width(3);
in >> s;
assert(in.good());
assert(s == L"def");
assert(in.peek() == L'g');
in >> s;
assert(in.eof());
assert(s == L"ghij");
in >> s;
assert(in.fail());
}
#if __cplusplus >= 201103L
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
std::istringstream in("a bc defghij");
S s("initial text");
in >> s;
assert(in.good());
assert(s == "a");
assert(in.peek() == ' ');
in >> s;
assert(in.good());
assert(s == "bc");
assert(in.peek() == ' ');
in.width(3);
in >> s;
assert(in.good());
assert(s == "def");
assert(in.peek() == 'g');
in >> s;
assert(in.eof());
assert(s == "ghij");
in >> s;
assert(in.fail());
}
{
typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
std::wistringstream in(L"a bc defghij");
S s(L"initial text");
in >> s;
assert(in.good());
assert(s == L"a");
assert(in.peek() == L' ');
in >> s;
assert(in.good());
assert(s == L"bc");
assert(in.peek() == L' ');
in.width(3);
in >> s;
assert(in.good());
assert(s == L"def");
assert(in.peek() == L'g');
in >> s;
assert(in.eof());
assert(s == L"ghij");
in >> s;
assert(in.fail());
}
#endif
}
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