llvm-project/libcxx/test/std/input.output/string.streams/stringstream.members/str.pass.cpp

63 lines
1.6 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_stringstream
// void str(const basic_string<charT,traits,Allocator>& str);
#include <sstream>
#include <cassert>
int main()
{
{
std::stringstream ss(" 123 456 ");
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);
ss << i << ' ' << 123;
assert(ss.str() == "456 1236 ");
ss.str("5466 89 ");
ss >> i;
assert(i == 5466);
ss >> i;
assert(i == 89);
ss << i << ' ' << 321;
assert(ss.str() == "89 3219 ");
}
{
std::wstringstream ss(L" 123 456 ");
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);
ss << i << ' ' << 123;
assert(ss.str() == L"456 1236 ");
ss.str(L"5466 89 ");
ss >> i;
assert(i == 5466);
ss >> i;
assert(i == 89);
ss << i << ' ' << 321;
assert(ss.str() == L"89 3219 ");
}
}