string.pass.cpp
1.76 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <sstream>
// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
// class basic_ostringstream
// explicit basic_ostringstream(const basic_string<charT,traits,allocator>& str,
// ios_base::openmode which = ios_base::in);
#include <sstream>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
std::ostringstream ss(" 123 456");
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == " 123 456");
int i = 234;
ss << i << ' ' << 567;
assert(ss.str() == "234 5676");
}
{
std::ostringstream ss(" 123 456", std::ios_base::in);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == " 123 456");
int i = 234;
ss << i << ' ' << 567;
assert(ss.str() == "234 5676");
}
{
std::wostringstream ss(L" 123 456");
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L" 123 456");
int i = 234;
ss << i << ' ' << 567;
assert(ss.str() == L"234 5676");
}
{
std::wostringstream ss(L" 123 456", std::ios_base::in);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L" 123 456");
int i = 234;
ss << i << ' ' << 567;
assert(ss.str() == L"234 5676");
}
return 0;
}