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// <sstream>
10
11// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
12// class basic_ostringstream
13
14// void str(const basic_string<charT,traits,Allocator>& s);
15
16#include <sstream>
17#include <cassert>
18
19#include "test_macros.h"
20
21int main(int, char**)
22{
23 {
24 std::ostringstream ss(" 123 456");
25 assert(ss.rdbuf() != 0);
26 assert(ss.good());
27 assert(ss.str() == " 123 456");
28 int i = 0;
29 ss << i;
30 assert(ss.str() == "0123 456");
31 ss << 456;
32 assert(ss.str() == "0456 456");
33 ss.str(" 789");
34 assert(ss.str() == " 789");
35 ss << "abc";
36 assert(ss.str() == "abc9");
37 }
38#ifndef TEST_HAS_NO_WIDE_CHARACTERS
39 {
40 std::wostringstream ss(L" 123 456");
41 assert(ss.rdbuf() != 0);
42 assert(ss.good());
43 assert(ss.str() == L" 123 456");
44 int i = 0;
45 ss << i;
46 assert(ss.str() == L"0123 456");
47 ss << 456;
48 assert(ss.str() == L"0456 456");
49 ss.str(L" 789");
50 assert(ss.str() == L" 789");
51 ss << L"abc";
52 assert(ss.str() == L"abc9");
53 }
54#endif
55
56 return 0;
57}
58

source code of libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.members/str.pass.cpp