xref: /llvm-project/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_rv.pass.cpp (revision 31cbe0f240f660f15602c96b787c58a26f17e179)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // UNSUPPORTED: c++03
10 
11 // <string>
12 
13 // template<class charT, class traits, class Allocator>
14 //   basic_istream<charT,traits>&
15 //   getline(basic_istream<charT,traits>&& is,
16 //           basic_string<charT,traits,Allocator>& str);
17 
18 #include <string>
19 #include <sstream>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 #include "min_allocator.h"
24 
25 int main(int, char**)
26 {
27     {
28         std::string s("initial text");
29         getline(std::istringstream(" abc\n  def\n   ghij"), s);
30         assert(s == " abc");
31     }
32     {
33         std::wstring s(L"initial text");
34         getline(std::wistringstream(L" abc\n  def\n   ghij"), s);
35         assert(s == L" abc");
36     }
37     {
38         typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
39         S s("initial text");
40         getline(std::istringstream(" abc\n  def\n   ghij"), s);
41         assert(s == " abc");
42     }
43     {
44         typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
45         S s(L"initial text");
46         getline(std::wistringstream(L" abc\n  def\n   ghij"), s);
47         assert(s == L" abc");
48     }
49 
50   return 0;
51 }
52