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// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM
10
11// <strstream>
12
13// class istrstream
14
15// explicit istrstream(char* s);
16
17#include <strstream>
18#include <cassert>
19#include <string>
20
21#include "test_macros.h"
22
23int main(int, char**)
24{
25 {
26 char buf[] = "123 4.5 dog";
27 std::istrstream in(buf);
28 int i;
29 in >> i;
30 assert(i == 123);
31 double d;
32 in >> d;
33 assert(d == 4.5);
34 std::string s;
35 in >> s;
36 assert(s == "dog");
37 assert(in.eof());
38 assert(!in.fail());
39 in.clear();
40 in.putback(c: 'g');
41 assert(!in.fail());
42 in.putback(c: 'g');
43 assert(!in.fail());
44 assert(buf[9] == 'g');
45 assert(buf[10] == 'g');
46 }
47
48 return 0;
49}
50

source code of libcxx/test/std/depr/depr.str.strstreams/depr.istrstream/depr.istrstream.cons/cp.pass.cpp