xref: /llvm-project/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/get_line_rv.pass.cpp (revision 6e1dcc9335116f650d68cdbed12bbb34a99b2d9b)
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 // <string>
10 
11 // template<class charT, class traits, class Allocator>
12 //   basic_istream<charT,traits>&
13 //   getline(basic_istream<charT,traits>&& is,
14 //           basic_string<charT,traits,Allocator>& str);
15 
16 #include <string>
17 #include <sstream>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 #include "min_allocator.h"
22 
23 template <template <class> class Alloc>
test()24 void test() {
25   {
26     using S = std::basic_string<char, std::char_traits<char>, Alloc<char> >;
27     S s("initial text");
28     std::getline(std::istringstream(" abc\n  def\n   ghij"), s);
29     assert(s == " abc");
30   }
31 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
32   {
33     using WS = std::basic_string<wchar_t, std::char_traits<wchar_t>, Alloc<wchar_t> >;
34     WS s(L"initial text");
35     std::getline(std::wistringstream(L" abc\n  def\n   ghij"), s);
36     assert(s == L" abc");
37   }
38 #endif
39 }
40 
main(int,char **)41 int main(int, char**) {
42   test<std::allocator>();
43   test<min_allocator>();
44 
45   return 0;
46 }
47